1
PC, DVI INTERFACE CONTROLLER
FOR TFT PANEL
Model: ALR-1400
Part number : 41710003X/4X-3 or up
INSTRUCTIONS
CONTENTS
Page: 2. Introduction, How to Proceed, Usage Note, Disclaimer
2. System design – Diagram of a suggested system
3. Assembly notes – Important information about system elements
5. Connection & Operation – How to use the controller
9. Connectors, pinouts & jumpers – Essential connection information
17. Controller dimensions
18. Application notes
20. Troubleshooting
21. Specifications
22. Appendix I – Graphic Mode Support Table
23. Appendix II – RS-232 control protocols
26. Appendix III – Mapping definition
28. Appendix IV – Auto Color Gain
29. Warranty, Caution & Limitation of Liability, Trademarks
30. Contact details
It is essential that these instructions are read and understood before connecting or
powering up this controller.
2
Introduction
Designed for LCD monitor and other flat panel display applications, the ALR-1400 controller provides easy to use
interface controller for:
TFT (active matrix) LCDs with LVDS interface of 1366x768, 1280x1024, 1280x800, 1280x768, 1024x768, 1024x600,
800x600, 800x480, 640x480, 480x234 resolution;
Computer video signals of SXGA, XGA, SVGA, VGA standard
Support LVDS or TTL interface panel
HOW TO PROCEED
Ensure you have all parts & that they are correct, refer to:
• Connection diagram (separate document for each panel)
• Connector reference (in following section)
• Assembly notes
Check controller switch & jumper settings (errors may damage the panel)
Prepare the PC
Connect the parts
Understand the operation and functions (in following section)
IMPORTANT USAGE NOTE
This product is for use by system developers and integrators, the manufacturer accepts no liability for damage or
injury caused by the use of this product. It is the responsibility of the developer, integrators or other user of this
product to:
Ensure that all necessary and appropriate safety measures are taken.
Obtain suitable regulatory approvals as may be required.
Check power settings to all component parts before connection.
Understand the operation and connectivity requirements of this controller.
DISCLAIMER
There is no implied or expressed warranty regarding this material.
SYSTEM DESIGN
A typical LCD based display system utilising this controller is likely to comprise the following:
Summary:
1. LCD panel
2. LCD controller card, ALR-1400
3. LVDS cable (for connection with LVDS panel)
4. TTL cable (for connection with TTL panel)
5. Inverter for CCFT backlight (if not built into LCD)
6. Inverter cable
7. Function controls
8. Function controls cable
9. Status LED
10. DVI-D input
11. Analog VGA input
12. Power input (12VDC / 24VDC)
13. RS-232 control port
Digital View offers a range of accessories such as listed above, to make up complete display solution.
3
ASSEMBLY NOTES
This controller is designed for monitor and custom display projects using 1366 x 768, 1280 x 1024, 1280 x 800, 1280 x 768 or
1024 x 768, 1024 x 600, 800 x 600, 800 x 480, 640 x 480 or 480 x 234 resolution TFT panels with a VGA, SVGA, XGA, SXGA
signal input. The following provides some guidelines for installation and preparation of a finished display solution.
Preparation: Before proceeding it is important to familiarize yourself with the parts making up the system and the various
connectors, mounting holes and general layout of the controller. As much as possible connectors have been labeled. Guides
to connectors and mounting holes are shown in the following relevant sections.
1. LCD Panel: This controller is designed for typical LVDS or TTL interface TFT panels with panel voltage 3.3V or 5V or 12V
or 18V LVDS interface. Due to the variation between manufacturers of signal timing and other panel characteristics
factory setup and confirmation should be obtained before connecting to a panel. (NOTE: Check panel power jumper
settings before connection)
2. Controller card: Handle the controller card with care as static charge may damage electronic components.
3. LVDS signal cable : In order to provide a clean signal it is recommended that LVDS signal cables are no longer than
46cm (18 inches). If loose wire cabling is utilized these can be made into a harness with cable ties. Care should be taken
when placing the cables to avoid signal interference. Additionally it may be necessary in some systems to add ferrite cores
to the cables to minimize signal noise.
4. TTL signal cable: In order to provide a clean signal it is recommended that LCD signal cables are no longer than 33cm
(13 inches). If loose wire cabling is utilized these can be made into a harness with cable ties. Care should be taken when
placing the cables to avoid signal interference. Additionally it may be necessary in some systems to add ferrite cores to
the cables to minimize signal noise.
5. Inverter: This will be required for the backlight of an LCD, some LCD panels have an inverter built in. As panels may
have 1 or more backlight tubes and the power requirements for different panel models backlights may vary it is important
to match the inverter in order to obtain optimum performance. See page 15 for the Application notes “Inverter connection
section for more informations.
6. Inverter Cables: Different inverter models require different cables and different pin assignment. Make sure correct cable
pin out to match the inverter. Using wrong cable pin out may damage the inverter.
7. Function Controls: The following section discusses the controls required and the section on connectors provides the
detail. The controls are minimal: On/Off, Backlight Brightness (depends on inverter), OSD (5 momentary buttons) analog
VR type or (8 momentary buttons) digital type.
8. Function controls cable: The cables to the function switches should be of suitable quality and length so that impedance
does not affect performance. Generally lengths up to 1 metre (3 feet) should be acceptable.
9. DVI-D Input Cable : Plug the DVI cable to the connector P2 on the controller board
10. Analog VGA Input Cable: As this may affect regulatory emission test results and the quality of the signal to the controller,
a suitably shielded cable should be utilized.
• Power Input: 12V / 24V DC is required, this should be a regulated supply. Although the controller provides power
regulation for the LCD power this does not relate to the power supplied to the backlight inverter. If an unregulated power
supply is provided to an inverter any fluctuations in power may affect operation, performance and lifetime of the inverter
and or backlight tubes.
24VDC input is required when the panel output voltage is 18VDC. Please refer to page 10-11 for proper jumper settings.
• Power Safety: Note that although only 12VDC / 24VDC is supplied as ‘power-in’ a backlight inverter for panel backlighting
produces significantly higher voltages (the inverter does not connect to the ground plane). We strongly advise appropriate
insulation for all circuitry.
• EMI: Shielding will be required for passing certain regulatory emissions tests. Also the choice of external Controller to PC
signal cable can affect the result.
• Ground: The various PCB mounting holes are connected to the ground plane.
• Servicing: The board is not user serviceable or repairable. Warranty does not cover user error in connecting up to the
controller and is invalidated by unauthorized modification or repairs.
• Controller Mounting: It is recommended that a clearance of at least 10mm is provided above and 5mm below the
controller when mounted. Additionally consideration should be given to:
• Electrical insulation.
• Grounding.
• EMI shielding.
• Cable management. Note: It is important to keep panel signal cables apart from the inverter & backlight cables to
prevent signal interference.
• Heat & Ventilation: Heat generated from other sources, for example the backlight of a very high brightness panel may
generate significant heat which could adversely affect the controller.
• Other issues that may affect safety or performance.
4
• PC Graphics Output: A few guidelines:
• Signal quality is very important, if there is noise or instability in the PC graphics output this may result in visible noise
on the display.
• Refer to graphics modes table in specifications section for supported modes.
• Non-interlaced & interlaced video input is acceptable.
IMPORTANT: Please read the Application Notes section for more information.
5
CONNECTION & OPERATION
CAUTION: Never connect or disconnect parts of the display system when the system is powered up as this may cause serious
damage.
CONNECTION
Connection and usage is quite straight forward (it is useful to have the relevant connection diagram available at this time):
1. LCD panel & Inverter: Connect the inverter (if it is not built-in the panel) to the CCFT lead connector of the LCD
panel.
2. LVDS type panels: Plug the LVDS signal cable direct to CN1 (if necessary). Insert the panel end of the cable to the
LCD panel connector.
3. TTL type panels: Plug the signal cables direct to CN2 or CN3. Plug the other end of cables to the LCD connector
board (if connector board is required, otherwise the signal can be direct plug to the LCD panel
connector). Then plug the board connector to the LCD panel connector.
4. Inverter & Controller: Plug the inverter cable to CNB1 and CNA1 (if necessary). Plug another end to the connector
on the inverter.
5. Function switch & Controller: Plug the OSD switch mount cable to CNC1 on the controller board and another to
the OSD switch mount.
6. LED & Controller: Plug in a 3-way with dual colour LED to connector LED1 on the controller board.
7. Jumpers : Check all jumpers are set correctly. Details referring the connection diagram at
http://www.digitalview.com/controllers/csg.php
8. Jumpers & Inverter & Panel voltage: Particularly pay attention to the settings of JA3, JA6, JB2, JB3. JB2 & JB3
are used for inverter control (read inverter specification and information on the jumper table to define the correct
settings). JA3 & JA6 are used for panel voltage input (read panel specification and information on the jumper table to
define the correct settings).
9. DVI cable : Plug the DVI cable to the connector P2 on the controller board.
10. VGA cable & Controller: Plug the VGA cable to the connector P1 on the controller board.
12. Power supply & Controller: Plug the DC 12V / 24V power in to the connector PP2. You can consider to use
DigitalView mating power cable P/N 426013800-3, 160mm.
13. Power on: Switch on the controller board and panel by using the OSD switch mount.
CAUTION: Never connect or disconnect parts of the display system when the system is powered up as this may cause serious
damage.
LED status :
State
LED color
No signal & backlight off
RED
No signal & backlight on
ORANGE
With signal & backlight on
GREEN
General:
• If you are using supplied cables & accessories, ensure they are correct for the model of panel and controller.
• If you are making your own cables & connectors refer carefully to both the panel & inverter specifications and the section
in this manual, “Connectors, Pinouts & Jumpers” to ensure the correct pin to pin wiring.
PC SETTINGS
The controller has been designed to take a very wide range of input signals however to optimize the PC’s graphics performance
we recommend choosing 60Hz vertical refresh rate – this will not cause screen flicker.
OPERATION
Once the system has been connected and switched on there are a number of functions available to adjust the display
image as summarized in the following sections. The settings chosen will be saved for each mode independently.
6
LCD DISPLAY SYSTEM SETTINGS
NOTE: By way of explanation the following refers to a set of sample buttons that may be obtained as an option. In addition
to power on/off and connection for backlight brightness the controller provides an On Screen Display of certain functions
which are controlled by 5 momentary type buttons (analog VR type) or 8 momentary type buttons (digital type):
Controls
Analog VR type
Digital type
On/Off – turns controller board power on
VR toggle switch
On/Off button
Brightness – controls backlight brightness
Rotary VR
Brightness +/- buttons
Menu – turns OSD menu On or Off (it will auto time
off) (Function with signal input
only)
Menu button
Menu button
Select – Select function / Confirm
(under OSD menu on state)
SEL DN
SEL DN
Move up to select individual RGB color level OSD
page
(under OSD menu on state)
SEL UP
SEL UP
+ – increase the setting / moves the selector to the
next function
(under OSD menu on state)
+
+
- - decrease the setting / moves the selector to the
previous function
(under OSD menu on state)
-
-
Reset to Factory Defaults
Press and hold SEL DN
button, then power on the
controller
Press and hold SEL DN button,
then power on the controller
Lock OSD menu
(Function with signal input only)
Press and hold MENU button for
15 seconds to enable / disable
lock of the OSD menu
Press and hold MENU button for
15 seconds to enable / disable
lock of the OSD menu
Direct access key for Brightness level increase
(under OSD menu off state)
+
+
Direct access key for Brightness level decrease
(under OSD menu off state)
-
-
OSD Functions
Input source 1
Select input source to Analog RGB
Input source 2
Select input source to DVI
Auto Source Seek
ON – Auto source select always enable
OFF – Disable auto source select function
Wide screen mode
information display*
Select the input mode (1280 / 1360 / 1366 / 1368) to recognize and display the
correct input signal information display on the OSD menu.
1280 : 1280x768
1360 : 1360x768
1366 :1366x768
1368 : 1368x768
Exit
Exit the OSD menu and save the settings
Brightness
Increase/decrease brightness level.
Press – or + (- + ) Total : 256 steps
ON/Off/Brightness
SEL UP
SEL DN
+
-
Menu
Analog VR type
Digital type
12V / 24VDC power input :
Analog 10K VR Type OSD
switch mount uses
P/N 410680550-3 or up
12V / 24VDC power input :
Digital 10K Type OSD
switch mount uses
P/N 416100520-3 or up
12VDC power input :
Digital 10K Type OSD
switch mount uses
P/N 416100510-3
7
Contrast
Increase/decrease panel contrast level.
Press – or + (- + ) Total : 192 steps
Exit
Exit the OSD menu and save the settings
Auto RGB Calibration*
Yes No ( Auto Color Calibration [See appendix IV])
Color Temperature (Adjust the warmness of the image displayed. The higher temperature the
coolest image looks like. The lower temperature the warmest image looks like.)
Adjust red color level
Press – or + (- +) Total :128 steps
Adjust green color level
Press – or + (- +) Total : 128 steps
Adjust blue color level
Press – or + (- +) Total : 128 steps
Press SEL UP/DN button to select item
Set the color temperature to 4200K
Set the color temperature to 5000K
Set the color temperature to 6500K
Set the color temperature to 7500K
Set the color temperature to 9300K
Gamma adjustment
Adjust Gamma settings (0.4 / 0.6 / 1.0 / 1.6 / 2.2)
Select Gamma to 0.4
Select Gamma to 0.6
Select Gamma to 1.0
Select Gamma to 1.6
Select Gamma to 2.2
Exit
Exit the OSD menu and save the settings
Autosetup*
Auto adjust the positions, phase, frequency
Yes No
Frequency*
Adjust the image horizontal size
Phase*
Fine tune the data sampling position (adjust image quality)
Image Horizontal
Position*
Use +/- to move the image horizontally
Press – or + (- + )
Image Vertical
Position*
Use +/- to move the image vertically
Press – or + (- + )
Exit
Exit the OSD menu
OSD setting
OSD Timeout : 0 / 10 / 20 / 30 / 40 / 50 / 60 seconds (Always on when set to 0)
Press – or + (- + )
OSD menu horizontal position
Press – or + (- + )
OSD menu vertical position
Press – or + (- + )
Load Factory Default
Initialize the setting stored in non-volatile memory
Sharpness
Adjust sharpness level
Press – or + (- + ) Total : 7 steps
8
Exit
Exit the OSD menu
[Firmware version : V1.76 or up]
* Function in ARGB mode only
Items marked have sub menus.
Exit the OSD menu to save the setting chosen
9
CONNECTORS, PINOUTS & JUMPERS
The various connectors are:
Summary: Connectors
Ref
Purpose
Description
CN1
LVDS panel signal
Hirose 40-pin, DF13-40DP-1.25DSA (Mating type : DF13-40DS-1.25C)
CN2
TTL panel signal
Hirose 40-pin, DF20G-40DP-1V (Mating type : DF20A-40DS-1C)
CN3
TTL Panel signal
Hirose 50-pin, DF20G-50DP-1V (Mating type : DF20A-50DS-1C)
CN8
Serial control (for firmware
programming or RS-232 control use
only)
JST 6-way, B6B-XH-A (Mating type : XHP-6)
CNA1
Auxiliary power output
JST 4-way, B4B-XH-A (Mating type : XHP-4)
CNB1
Backlight inverter
JST 5-way, B5B-XH-A (Mating type : XHP-5)
CNC1
Function controls
JST 12-way, B12B-XH-A (Mating type : XHP-12)
LED1
Dual color LED connector
Header pin 3x1
P1
ARGB signal input
DB-15 way high density 3 row
P2
DVI-D signal input
DVI-D connector
PP2
Power input
Molex 43650-0200 compatible (Mating type : Molex 43645-0200
compatible)
(Matching power cable : P/N 426013800-3)
10
Summary: Jumpers setting
Ref
Purpose
Note
JA2
On board +5V power enable
1-2 & 3-4 closed, factory set, do not remove
JA3
Panel power voltage select
See panel voltage setting table 1
CAUTION: Incorrect setting will cause panel damage
JA6
Panel power voltage select
See panel voltage setting table 1
CAUTION: Incorrect setting will cause panel damage
JB2
Backlight inverter on/off control – signal level
1-2 = On/Off control signal ‘High’ = +12V / +24VDC
2-3 = On/Off control signal ‘High’ = +5V
Open = On/Off control signal ‘High’ = Open collector
CAUTION: Incorrect setting can damage inverter.
JB3
Backlight inverter on/off control – polarity
1-2 = control signal ‘high’ = CCFT ON
2-3 = control signal ‘low’ = CCFT ON
JP2
Backlight control type selection
1-2 = VR/Digital switch mount control
3-4 = Analog backlight brightness controlled by RS-232 –
voltage range 0~5V
5-6 = Reserved
JP6
Input power control
Short = External switch control
Open = Switch mount control
JP7
Reserved
Reserved for internal programming use (Always 1-2
closed)
JP8
Clock phase (Analog RGB)
1-2 = Normal
2-3 = Invert
JP9
Reserved
1-2 = Default
SW1
Panel selection
See table below
SW2
Panel selection
See table below
Table 1 : Panel voltage setting table :
Input voltage via
PP2
Panel Voltage
JA3
JA6
Jumper on board
3.3V
3V3 closed
1-3 & 2-4
5V
5V closed
1-3 & 2-4
12VDC
12V
OPEN
5-7 & 6-8
CAUTION: Incorrect setting can damage panel & controller
11
Input voltage via
PP2
Panel Voltage
JA3
JA6
Jumper on board
3.3V
3V3 closed
1-3 & 2-4
5V
5V closed
1-3 & 2-4
12V
12V closed
3-5 & 4-6
24VDC**
18V
18V closed
3-5 & 4-6
** Please make sure the backlight inverter must support 24V supply. Because CNA1 pin 1 and
CNB1 pin 2 will output 24VDC if input 24VDC via PP2.
!
JA3 & JA6 location on board : (Please pay attention to the jumper settings on JA3 & JA6
which are red in color on board)
12
DIP Switch selection – SW1
Pos #1
Pos #2
Pos #3
Pos.#4
Description
Panel resolution
For SXGA panel
ON
ON
ON
OFF
Sharp LQ181E1LW31
1280x1024
Fujitsu FLC48SXC8V
1280x1024
ON
OFF
OFF
ON
AU Optronics M190EG01 V0 (2)
1280x1024
For WXGA panel
ON
OFF
OFF
OFF
Samsung LTA260W2-L01(3)
1366x768
OFF
ON
OFF
OFF
NEC NL12876BC26-21
1280x768
OFF
ON
ON
OFF
Toshiba LTD089EXWS (3)
1280x768
ON
ON
OFF
OFF
Samsung LTA460WS-L03 (Non-tested) (1)
1366x768
OFF
OFF
ON
OFF
Sharp LQ315T3LZ24 (Non-tested) (1)
1366x768
ON
OFF
ON
OFF
LG LC420W02-A4 (Non-tested) (1)
1366x768
For XGA panel
OFF
ON
ON
OFF
LG LM151X2
1024x768
ON
ON
OFF
ON
Sharp LQ150X1LGB1
1024x768
Sharp LQ150X1LGN2A
1024x768
Fujitsu FLC38XGC6V-06
1024x768
ON
OFF
ON
ON
NEC NL10276BC12-02
1024x768
OFF
ON
ON
ON
NEC NL10276BC30-18C (3)
1024x768
For SVGA panel
OFF
OFF
ON
OFF
Sharp LQ121S1DG41
800x600
OFF
ON
ON
OFF
Sharp LQ084S3DG01(3)
800x600
ON
OFF
ON
OFF
Toshiba LTM12C289
800x600
ON
ON
ON
OFF
Toshiba LTM08C351(4) (for 6 Bit panel)
800x600
OFF
OFF
OFF
ON
Sharp LQ104S1DG21 (3)
800x600
For VGA / WVGA panel
ON
OFF
OFF
OFF
Sharp LQ104V1DG21
640x480
Sharp LQ10D368
640x480
Sharp LQ104V1DG51
640x480
ON
ON
OFF
OFF
Sharp LQ64D343 (2)
640x480
ON
OFF
ON
OFF
NEC NL6448AC33-29 (3)
640x480
OFF
OFF
OFF
ON
PrimeView PD064VT5 (3)
640x480
NEC NL6448BC26-01 (3)
640x480
ON
ON
OFF
ON
NEC NL6448BC33-50 (4)
640x480
ON
OFF
ON
ON
NEC NL6448BC26-09 (4) (c)
640x480
OFF
OFF
ON
OFF
Toshiba LTA070A321F (2)
800x480
ON
OFF
OFF
ON
Mitsubishi AA050MC01(3)
800x480
OFF
ON
OFF
ON
NEC NL8048BC19-02 (4)
800x480
OFF
OFF
ON
ON
Sharp LQ070Y3LG4A (4) (b)
800x480
Others
ON
OFF
OFF
OFF
Chunghwa CLAA070NA01CT (3)
1024x600
OFF
ON
OFF
OFF
NEC NL12880BC20-02D (3)
1280x800
ON
ON
OFF
OFF
NEC NL4823BC37-05 (3) (a)
480x234
For additonal and recent added panels, see ALR-1400 panel support table at http://www.digitalview.com/controllers/csg.php
(1) Only effective on V1.31 or up version.
(2) Only effective on V1.61.00 or up version.
(3) Only effective on V1.76.00 or up version.
(4) Only effective on V1.80.00 or up version.
(a) Display at most output a 480x260 image when inputting 640x480 input resolution.
(b) Support 640x480 input resolution only come from ARGB & DVI. The vertical size will not fit for 800x600 resolution input.
(c) Flicker image is present when making image UP position adjustment in the OSD menu.
Pos #5
Pos #6
Pos #7
Description
OFF
OFF
OFF
Reserved
ON
OFF
OFF
Reserved
OFF
ON
OFF
SXGA
ON
ON
OFF
WXGA
OFF
OFF
ON
XGA
ON
OFF
ON
SVGA
OFF
ON
ON
VGA / WVGA
ON
ON
ON
Others
SW1 Pos 8 = Reserved.
DIP switch selection – SW2
Pos. #
Function
Description
1
Panel pixel format
OFF : Double Pixel
ON : Single Pixel
2
LVDS data mapping select
ON : Mapping A (LVDS panel)
OFF : Mapping B (LVDS panel)
Please adjust to get the correct picture. See as Appendix II for details of
mapping A and B.
Set ON for TTL panels.
The most current list can be found the controller solution generator at http://www.digitalview.com/controllers/csg.php
13
CN1 – Panel connector: Hirose, DF13A-40DP-1.25DSA (Matching type : DF13-40DS-1.25C)
PIN
SYMBOL
DESCRIPTION
1
TXA0+
Positive differential LVDS data bit A0
2
TXA0-
Negative differential LVDS data bit A0
3
TXA1+
Positive differential LVDS data bit A1
4
TXA1-
Negative differential LVDS data bit A1
5
Reserved
-
6
Reserved
-
7
TXA2+
Positive differential LVDS data bit A2
8
TXA2-
Negative differential LVDS data bit A2
9
TXA3+
Positive differential LVDS data bit A3
10
TXA3-
Negative differential LVDS data bit A3
11
GND
Ground
12
GND
Ground
13
TXAC+
Positive LVDS clock for A channel
14
TXAC-
Negative LVDS clock for A channel
15
GND
Ground
16
GND
Ground
17
TXB0+
Positive differential LVDS data bit B0
18
TXB0-
Negative differential LVDS data bit B0
19
TXB1+
Positive differential LVDS data bit B1
20
TXB1-
Negative differential LVDS data bit B1
21
Reserved
-
22
Reserved
-
23
TXB2+
Positive differential LVDS data bit B2
24
TXB2-
Negative differential LVDS data bit B2
25
TXB3+
Positive differential LVDS data bit B3
26
TXB3-
Negative differential LVDS data bit B3
27
GND
Ground
28
GND
Ground
29
TXBC+
Positive LVDS clock for B channel
30
TXBC-
Negative LVDS clock for B channel
31
GND
Ground
32
GND
Ground
33
VDD (3,3V/5V)
Panel power supply (3,3V/5V) (selected by JA3 & JA6)
34
VDD (3,3V/5V)
Panel power supply (3,3V/5V) (selected by JA3 & JA6)
35
VDD (3,3V/5V)
Panel power supply (3,3V/5V) (selected by JA3 & JA6)
36
VDD (3,3V/5V)
Panel power supply (3,3V/5V) (selected by JA3 & JA6)
37
NC
No connection
38
VDD (+12V/18V)
Panel power supply (+12V / 18V) (selected by JA3 & JA6)
39
VDD (+12V/18V)
Panel power supply (+12V / 18V) (selected by JA3 & JA6)
40
VDD (+12V/18V)
Panel power supply (+12V / 18V) (selected by JA3 & JA6)
CN2 – Panel connector: HIROSE DG20G-40DP-1V (Matching type : DF20A-40DS-1C)
PIN
SYMBOL
DESCRIPTION
1
GND
Ground
2
GND
Ground
3
NC
No connection
4
NC
No connection
5
ER0
Even data bit R0
6
ER1
Even data bit R1
7
ER2
Even data bit R2
8
ER3
Even data bit R3
9
ER4
Even data bit R4
10
ER5
Even data bit R5
11
ER6
Even data bit R6
12
ER7
Even data bit R7
13
GND
Ground
14
GND
Ground
15
NC
No connection
16
NC
No connection
17
EG0
Even data bit G0
18
EG1
Even data bit G1
19
EG2
Even data bit G2
20
EG3
Even data bit G3
21
EG4
Even data bit G4
22
EG5
Even data bit G5
23
EG6
Even data bit G6
24
EG7
Even data bit G7
25
GND
Ground
26
GND
Ground
27
NC
No connection
28
NC
No connection
14
29
EB0
Even data bit B0
30
EB1
Even data bit B1
31
EB2
Even data bit B2
32
EB3
Even data bit B3
33
EB4
Even data bit B4
34
EB5
Even data bit B5
35
EB6
Even data bit B6
36
EB7
Even data bit B7
37
GND
Ground
38
GND
Ground
39
CLK
Dot clock
40
NC
No connection
CN3 – Panel connector: HIROSE DF20G-50DP-1V (Matching type : DF20A-50DS-1C)
PIN
SYMBOL
DESCRIPTION
1
GND
Ground
2
GND
Ground
3
NC
No connection
4
NC
No connection
5
OR0
Odd data bit R0
6
OR1
Odd data bit R1
7
OR2
Odd data bit R2
8
OR3
Odd data bit R3
9
OR4
Odd data bit R4
10
OR5
Odd data bit R5
11
OR6
Odd data bit R6
12
OR7
Odd data bit R7
13
GND
Ground
14
GND
Ground
15
NC
No connection
16
NC
No connection
17
OG0
Odd data bit G0
18
OG1
Odd data bit G1
19
OG2
Odd data bit G2
20
OG3
Odd data bit G3
21
OG4
Odd data bit G4
22
OG5
Odd data bit G5
23
OG6
Odd data bit G6
24
OG7
Odd data bit G7
25
GND
Ground
26
GND
Ground
27
NC
No connection
28
NC
No connection
29
OB0
Odd data bit B0
30
OB1
Odd data bit B1
31
OB2
Odd data bit B2
32
OB3
Odd data bit B3
33
OB4
Odd data bit B4
34
OB5
Odd data bit B5
35
OB6
Odd data bit B6
36
OB7
Odd data bit B7
37
GND
Ground
38
GND
Ground
39
VS
Vertical sync
40
CLK
Dot clock
41
HS
Horizontal sync
42
DE
Display enable
43
PWR
Power down control signal (5v TTL)
44
VLCD
Panel power supply (3,3V/5V) (selected by JA3 & JA6)
45
VLCD
Panel power supply (3,3V/5V) (selected by JA3 & JA6)
46
VLCD
Panel power supply (3,3V/5V) (selected by JA3 & JA6)
47
NC
No connection
48
VLCD12/18
+12V/18V panel supply (selected by JA3 & JA6)
49
VLCD12/18
+12V/18V panel supply (selected by JA3 & JA6)
50
VLCD12/18
+12V/18V panel supply (selected by JA3 & JA6)
15
CN8 – RS-232 serial control: JST B6B-XH-A (Matching type : XHP-6)
PIN
SYMBOL
DESCRIPTION
1
SDATA
Reserved
2
SCLK
Reserved
3
VCC
+5V
4
TXD
RS-232 Tx data
5
GND
Ground
6
RXD
RS-232 Rx data
CNA1 - Auxiliary power output: JST B4B-XH-A (Matching type : XHP-4)
PIN
SYMBOL
DESCRIPTION
1
AUX POWER
+12V DC, 500mA max / +24V DC, 3A max
2
GND
Ground
3
GND
Ground
4
AUX 5V
+5V DC, 500mA max
CNB1 – Backlight inverter connector: JST B5B-XH-A (Matching type : XHP-5)
PIN
SYMBOL
DESCRIPTION
1
GND
Ground
2
VBKL
Backlight power supply, +12VDC / +24V DC, 3A max
3
BLCTRL
Backlight On/Off control signal (refer to JB2 & JB3)
4
BVR_WIP
Backlight brightness VR pin WIP
5
BVR_A
Backlight brightness VR pin A
CNC1 – Control switch, JST B12B-XH-A
PIN
SYMBOL
DESCRIPTION
1
PSWIN
Power button A
2
SW_ON
Power button B
3
BVR_A
Backlight Brightness VR pin A
4
BVR_WIP
Backlight Brightness R pin WIP
5
BVR_B
Backlight Brightness VR pin B (470 ohm resistor to +5V Vcc)
6
GND
Ground
7
MENU
OSD menu
8
-/LEFT
OSD -/Left
9
+/RIGHT
OSD +/Right
10
SEL_DN
OSD Select down
11
SEL_UP
OSD Select up
12
NC
No connection
LED1 – Status LED connector: 3-pin header
PIN
DESCRIPTION
1
Green LED pin (anode)
2
LED pin common (cathode)
3
Red LED pin (anode)
16
P1 - Analog VGA input – DB-15 way high density 3 row
PIN
SYMBOL
DESCRIPTION
1
PCR
Red, analog
2
PCG
Green, analog
3
PCB
Blue analog
4
ID2
Reserved for monitor ID bit 2 (grounded)
5
DGND
Digital ground
6
AGND
Analog ground red
7
AGND
Analog ground green
8
AGND
Analog ground blue
9
DDC_5V
+5V power supply for DDC (optional)
10
DGND
Digital ground
11
ID0
Reserved for monitor ID bit 0 (grounded)
12
DDC_SDA
DDC serial data
13
HS_IN
Horizontal sync or composite sync, input
14
VS_IN
Vertical sync, input
15
DDC_SCL
DDC serial clock
P2 – DVI-D input
PIN
SYMBOL
DESCRIPTION
1
/RX2
TMDS Data 2-
2
RX2
TMDS Data 2+
3
GND
Digital Ground
4
NC
No connection
5
NC
No connection
6
DVI_DDC_CLK
DDC Clock
7
DVI_DDC_DAT
DDC Data
8
DVI_VS_IN
Analog vertical Sync
9
/RX1
TMDS Data 1-
10
RX1
TMDS Data 1+
11
GND
Digital Ground
12
NC
No connection
13
NC
No connection
14
DVI_DDC_5V
+5V power supply for DDC (optional)
15
GND
Ground (+5, Analog H/V Sync)
16
NC
No connection
17
/RX0
TMDS Data 0-
18
RX0
TMDS Data 0+
19
GND
Digital Ground
20
NC
No connection
21
NC
No connection
22
GND
Digital Ground
23
RXC
TMDS Clock+
24
/RXC
TMDS Clock-
25
NC
No connection
26
NC
No connection
PP2 - Power supply
PIN
DESCRIPTION
1
+12VDC 5A max / +24VDC 5A max
2
Ground
17
CONTROLLER DIMENSIONS
The maximum thickness of the controller is 15.8mm (measured from bottom of PCB to top of components, including
any underside components & leads). We recommend clearances of:
• 5mm from bottom of PCB - if mounting on a metal plate we also recommend a layer of suitable insulation
material is added to the mounting plate surface.
• 10mm above the components
• 3~5mm around the edges
Any of the holes shown above can be used for mounting the PCB, they are 3.2mm in diameter.
CAUTION: Ensure adequate insulation is provided for all areas of the PCB with special attention to high
voltage parts such as the inverter.
18
APPLICATION NOTES
USING THE CONTROLLER WITHOUT BUTTONS ATTACHED
This is very straightforward by following the steps below :
• Firstly setup the controller/display system with the buttons. With controls attached and display system active make any
settings for colour and image position as required then switch everything off.
• Use a jumper to close JP6 jumper, this will fix the board On.
• Refer to inverter specifications for details as to fixing brightness to a desired level, this may require a resistor, an open
circuit or closed circuit depending on inverter.
INVERTER CONNECTION
There are potentially 3 issues to consider with inverter connection:
• Power
• Enable
• Brightness
Please read the following sections for a guide to these issues.
Inverter Power: As per the table for CNB1 pin 1 is ground and pin 2 provides DC12V/ 24V DC . This should be matched with
the inverter specification: see table.
CNB1
PIN
DESCRIPTION
1
Ground
2
+12VDC / 24VDC
Remark: For higher power inverter, more current (for 12V / 24V) can be taken from CNA1 pin 1.
Maximum current drawn on CNA1 pin 1 and CNB1 pin 2 is 3A (24V) / 3A(12V)
Enable: This is a pin provided on some inverters for On/Off function and is used by this panel controller for VESA DPMS
compliance. If the inverter does not have an enable pin or the enable pin is not used then DPMS will not be operational. Pin 3
should be matched to the inverters specification for the ‘enable’ or ‘disable’ pin.
CNB1
PIN
DESCRIPTION
3
Enable
Further, jumpers JB2 & JB3 should be set to match the inverters specification for the enable pin power and High or Low setting:
see table.
Ref
Purpose
Note
JB2
Inverter enable voltage
1-2 H = 12V/24V, 2-3 H = 5V (Vcc), OPEN H = open collector
JB3
Inverter control
1-2 H = On, 2-3 L = On
Brightness: There are various methods for brightness control and it is important to consider the specifications for the inverter
to be used. Generally the situation is:
• Brightness can controlled by using a resistor or VR (Variable Resistor).
• Brightness controlled by adding a circuit such as PWM (Pulse Width Modulation).
• No adjustment of brightness is possible.
CNB1 pins 4 & 5 are available for connecting to an inverter or circuit where VR control is supported.
CNB1
PIN
DESCRIPTION
4
VR WIP
5
VR A
This can then be matched with function controls (OSD switch mount) pins 3 & 4: see cable design below .
19
Design Guideline for making VR circuitry :
CNB1 – Backlight inverter connector: JST B5B-XH-A (Matching type : XHP-5)
PIN
SYMBOL
DESCRIPTION
1
GND
Ground
2
VBKL
+12VDC / 24VDC, backlight power supply (selected by JA3 & JA6)
3
BLCTRL
On/Off control (enable) – see JB2 & JB3
4
BVR_WIP
Brightness VR - WIP
5
BVR_A
Brightness VR A
CNC1 – Control switch, JST B12B-XH-A (Matching type : XHP-12)
PIN
SYMBOL
DESCRIPTION
1
PSWIN
Power button A
2
SW_ON
Power button B
3
BVR_A
Backlight Brightness VR pin A
4
BVR_WIP
Backlight Brightness R pin WIP
5
BVR_B
Backlight Brightness VR pin B (470 ohm resistor to +5V Vcc)
6
GND
Ground
7
MENU
OSD menu
8
-/LEFT
OSD -/Left
9
+/RIGHT
OSD +/Right
10
SEL_DN
OSD Select down
11
SEL_UP
OSD Select up
12
NC
No connection
The VR for brightness depends on the inverter. The main power load for On/Off is handled by a relay on the controller.
Example for circuit design :
Signal description / Notes :
1) R1 : 470ohm on board
2) RPOT is an external potentiometer (in-line dip
style) that can be plugged directly into CNC1 pins
3,4,5. RPOT must be supplied / installed by user.
3) BVR_B : Voltage tapped from “top” of
potentiometer, the node of R1 and RPOT.
4) BVR_WIP : Voltage tapped from wiper arm of
RPOT.
5) BVR_A : Voltage tapped from “bottom” of
RPOT.
Note : BVR_A voltage is left floating on the
controller board. To use this circuit, you need
to tie this point to a potential (usually GND,
available at CNC1 pin 6).
1.)Choose RPOT = 10K
2.) Tie BVR_A to GND
3.) Circuit analysis gives BVR_WIP as the
following (see Figure 1)
BVR_WIP = 5 x (Rbc/10.47)
where BVR_WIP is in Volts.
And Rbc is the resistance from the wiper arm
to bottom of pot in Kohms.
To evaluate, plug in different values of Rbc :
Rbc
BVR_WIP
0
0 V
2.5 K
1.2 V
5 K
2.4 V
7.5 K
3.6 V
10 K
4.8 V
So this circuit could provide Brightness adjust
voltage ranging from 0V to 5V.
20
TROUBLESHOOTING
General
A general guide to troubleshooting a flat panel display system it is worth considering the system as separate elements, such as:
Controller (jumpers, PC settings)
Panel (controller, cabling, connection, panel, PC settings)
Backlight (inverter, cabling, backlight tubes)
Cabling
Computer system (display settings, operating system)
Through step by step cross checking with instruction manuals and a process of elimination to isolate the problem it is usually
possible to clearly identify the problem area.
No image:
If the panel backlight is not working it may still be possible to just see some image on the display.
A lack of image is most likely to be caused by incorrect connection, lack of power, failure to provide a signal or incorrect
graphic card settings.
Image position:
If it is impossible to position the image correctly, ie the image adjustment controls will not move the image far enough, then test
using another graphics card. This situation can occur with a custom graphics card that is not close to standard timings or if
something is in the graphics line that may be affecting the signal such as a signal splitter (please note that normally a signal
splitter will not have any adverse effect).
Image appearance:
A faulty panel can have blank lines, failed sections, flickering or flashing display
Incorrect graphics card refresh rate, resolution or interlaced mode will probably cause the image to be the wrong size, to
scroll, flicker badly or possibly even no image.
Incorrect jumper settings on the controller may cause everything from total failure to incorrect image. CAUTION: Do not
set the panel power input incorrectly.
Sparkling on the display: faulty panel signal cable.
Backlight:
Items to check include: Power input, Controls, Inverter and Tubes generally in this order.
If half the screen is dimmer than the other half:
Check cabling for the inverter.
For a specific backlight tube check the AC pins orientation (CAUTION: Never reverse any DC power pins).
Also:
If adjusting brightness control has no effect the chances are that the VR rating or method of adjusting brightness is not
compatible or correctly connected to the inverter.
If system does not power down when there is a loss of signal
Continued failure:
If unit after unit keeps failing consider and investigate whether you are short circuiting the equipment or doing something else
seriously wrong.
Generally after common sense issues have been resolved we recommend step by step substitution of known working parts to
isolate the problem.
21
SPECIFICATIONS
Panel compatibility
1366x768, 1280x1024, 1280x800, 1280x768, 1024 x 768, 1024x600,
800x600, 800x480, 640x480 or 480x234 resolution TFT LVDS or TTL LCD’s
support.
No. of colours
Up to 3 x 8 bit providing 16.7 million colours.
Vertical refresh rate
SXGA, XGA, SVGA, VGA resolution up to 60Hz.
Dot clock (pixel clock) maximum
135 MHz
Graphics formats
Standard SXGA, XGA,SVGA,VGA
Standard input at source
- VGA analog (15-pin) standard with automatic detection of :
Digital Separate Sync
Sync-On-Green
Composite Sync
- DVI-D
Controls available
- On/Off
- Brightness (inverter)
- OSD menu
- OSD select
- OSD setting +
- OSD setting -
Control interface
- Buttons
Settings memory
Settings are stored in non volatile memory
Language OSD support
Graphics OSD icons
VESA DPMS implementation
Yes
Plug & Play
VESA DDC 1, 2/b compatible
Voltage output for LCD
+3.3V , +5V, +12V, +18V
The current drawn for 18V panel from 24VDC power input is limited to 2A.
The current drawn for 3.3V, 5V or 12V panel from 12V/24VDC power input is
limited to 3A.
Input voltage
12VDC , 5A max / 24VDC 5A max +/- 5%
Controller power consumption
Approx 4W (controller logic only, no panel and inverter are involved)
Controller dimensions
107mm x 92mm x 21mm
Storage temperature limits
-40oC to +70oC
Operating temperature limits
0oC to +60oC
NOTES
Please note the following:
• For specific panel setup a sample of an LCD may be required (this will be returned) and a copy of the full technical
specifications for the panel from the manufacturer.
• Relayout and custom development services are available.
22
Appendix I – Graphic Mode Support Table
Mode
Resolution
Clk [MHz]
Horizontal
freq [KHz]
Vertical
freq [Hz]
Sync Mode
E1_70
640x350
70Hz
25.175
31.469
70.087
Digital Separate Sync
E2_70
640x400
70Hz
25.175
31.469
70.087
Digital Separate Sync
V_60
640x480
60Hz
25.175
31.469
59.940
Digital Separate Sync
V_60
640x480
60Hz
25.175
31.469
59.940
Sync On Green
V_60
640x480
60Hz
25.175
31.469
59.940
Composite Sync
SV_56
800x600
56Hz
36.000
35.156
56.250
Digital Separate Sync
SV_56
800x600
56Hz
36.000
35.156
56.250
Sync On Green
SV_56
800x600
56Hz
36.000
35.156
56.250
Composite Sync
SV_60
800x600
60Hz
40.000
37.879
60.317
Digital Separate Sync
SV_60
800x600
60Hz
40.000
37.879
60.317
Sync On Green
SV_60
800x600
60Hz
40.000
37.879
60.317
Composite Sync
X_60
1024x768
60Hz
65.000
48.363
60.004
Digital Separate Sync
X_60
1024x768
60Hz
65.000
48.363
60.004
Sync On Green
X_60
1024x768
60Hz
65.000
48.363
60.004
Composite Sync
SX_60
1280x1024
60Hz
108
63.81
60.020
Digital Separate Sync
SX_60
1280x1024
60Hz
108
63.81
60.020
Sync On Green
SX_60
1280x1024
60Hz
108
63.81
60.020
Composite Sync
Remark :
The controller has been designed to take a very wide range of input signals however to optimize the PC’s graphics performance
we recommend choosing 60Hz vertical refresh rate. To support on higher refresh rate over 60Hz, the LCD panel may not
support.
23
Appendix II – RS-232 control protocols
RS-232 Serial control (Baud rate 2400, 8 bits, 1 stop bit and no parity)
Physical connection :
Controller side Computer side
Connector interface : CN8 Connector interface : Serial port
Mating connector : JST XHP-6 Mating connector : DB9 Female
PIN#
Description
PIN#
Description
4
RS-232 Tx Data
2
RS-232 Rx Data
5
Ground
3
RS-232 Tx Data
6
RS-232 Rx Data
5
Ground
Remark :
(1) : RS-232 connection cable, 600mm P/N 4260902-00 can be ordered separately for connection.
Software connection :
The OSD function can be controlled through sending the RS-232 protocol.
The RS-232 program can be custom-made to fit for application or it can be used the program provided by Digitalview on
request. Please contact your local sales for informations.
1. Commands to implement switch mount control buttons
Function
Command
Description
Acknowledge (if enabled)
OSD Menu Lock
0xf6
OSD menu Lock Off / OSD
menu Lock On
Button equivalent
Menu
0xf7
Menu button pressed
Button equivalent
Select-down
button
0xfa
Select down button pressed
Button equivalent
Select-up button
0xfb
Select up button pressed
Button equivalent
Right/+ button
0xfc
Right/+button pressed
Button equivalent
Left/- button
0xfd
Left/- button pressed
Button equivalent
2. Parameter setting - immediate, relative, reset and query
Function
Command
Description
Acknowledge (if enabled)
Brightness control
0x81,
nn | “+” | “-” |
“r” | “R” |
“?”
Set brightness =
value/increment/decrement
Reset
Query
Brightness.
Range: “0””0”-“F””F”
Default: “8””0”
Contrast control
0x82, “a” | “A”,
nn | “+” | “-” |
“r” | “R” |
“?”
Set all contrast =
value/increment/decrement
Reset
Query
Contrast.
Range: “4””0”-“F””F”
Default: “8””0”
Phase #
0x85,
nn | “+” | “-” |
“?”
Set dot clock phase =
value/increment/decrement
Query
Dot clock phase.
(In ARGB mode only)
Image H position #
0x86,
nnnn | “+” | “-” |
“?”
Set img_hpos =
value/increment/decrement
Query
Image horizontal position.
(In ARGB mode only)
Image V position #
0x87,
nnnn | “+” | “-” |
“?”
Set img_vpos =
value/increment/decrement
Query
Image vertical position.
(In ARGB mode only)
Frequency #
0x8b,
nnnn | “+” | “-“ |
Set H active size =
value/increment/decrement
Frequency adjustment
(In ARGB mode only)
54
6
3
1
789
Mating face of CN8
Mating face of RS-232 DB9 Male
5 4
631
24
“?”
Query
Input main select
* Function in valid
mode only
0x98,
nn | “+” | “-“ | “r” |
“R” | “?”
Select input main =
PC or video or next available
Reset
Query
Main selected.
“0x41,0x31” ARGB (Default)
“0x46,0x31” DVI
Colour
temperature select
0xb3,
n |
“r” | “R” |
“?”
Select colour temperature =
value
Reset
Query
Main selected.
“0” – user defined RGB values.
“1” – 4200K.
“2” – 5000K.
“3” – 6500K.
“4” – 7500K. (Default)
“5” – 9300K.
Red level for
selected colour
temperature
0xb4,
nn | “+” | “-” |
“r” | “R” |
“?”
Set the level of the red channel
for the selected colour temp. =
value/increment/decrement
Reset
Query
Red level for selected colour
temperature.
Range: “8””0”-“F””F”
Default: “F””F”
Green level for
selected colour
temperature
0xb5,
nn | “+” | “-” |
“r” | “R” |
“?”
Set the level of the green
channel for the selected colour
temp. =
value/increment/decrement
Reset
Query
Green level for selected colour
temperature.
Range: “8””0”-“F””F”
Default: “F””F”
Blue level for
selected colour
temperature
0xb6,
nn | “+” | “-” |
“r” | “R” |
“?”
Set the level of the blue channel
for the selected colour temp. =
value/increment/decrement
Reset
Query
Blue level for selected colour
temperature.
Range: “8””0”-“F””F”
Default: “F””F”
OSD turn off
0xbd
Turn off the OSD
“1” - successful
Backlight
brightness control
0xe0,
nn | “+” | “-” |
“r” | “R” |
“?”
Set backlight brightness =
value/increment/decrement
Reset
Query
Backlight brightness.
Range: “0””0”-“F””F”
Default: “F””F”
e.g “1””0” 0xe0 0x31 0x30
* This control can only function
when JP2 sets 3-4 closed
* Apply for inverter control
voltage in range of 0~5V.
Each step interval is in 1
Backlight on/off
control
0xe1,
“0” |
“1” |
“r” | “R” |
“?”
Set backlight brightness =
Disable backlight
Enable backlight
Reset
Query
Backlight working status
Backlight on/off.
“1” = normal (Default)
OSD menu Lock
(Functon available
in V1.80.00 or
later revision)
0xf6,
n | “0” | “1” |
“r” | “R” |
“?”
OSD menu Lock Off/ On
Reset
Query
“0” – OSD Lock Off
“1” – OSD Lock On
# - Function in ARGB mode only
25
3. Other control
Function
Command
Description
Acknowledge (if enabled)
Select RS-232
acknowledge
0xc1, “0” | “1”
Disable/enable command
acknowledge.
“0” – acknowledge disabled.
“1” – acknowledge enabled.
Auto-setup#
0xc3
Start auto-setup of current
mode.
“0” – fail.
“1” – successful.
Command
availability
0xc4, n
Check whether a command is
available.
“0” – not available.
“1” – available.
Auto-calibration#
0xc5
Start auto-calibration of gain of
the RGB amplifier.
“0” – fail.
“1” – successful.
Query BIOS
version
0xcb, “0”
Read BIOS version
“nnnn” = BIOS ver. “nn.nn”
Query PCBA
number
0xcb, “1”
Read PCBA number
“nnnn” = PCBA number
ALR-1400=”41710”
Load factory
defaults
0xce
Reset all parameters to factory
default value
“1” – successful.
# - Function in ARGB mode only
Hex to ASCII conversion table
Hex
ASCII
Hex
ASCII
Hex
ASCII
Hex
ASCII
0x30
0
0x41
A
0x61
a
0x2B
+
0x31
1
0x42
B
0x62
b
0x2D
-
0x32
2
0x43
C
0x63
c
0x3F
?
0x33
3
0x44
D
0x64
d
0x34
4
0x45
E
0x65
e
0x35
5
0x46
F
0x66
f
0x36
6
0x47
G
0x67
g
0x37
7
0x48
H
0x68
h
0x38
8
0x49
I
0x69
i
0x39
9
0x4A
J
0x6A
j
0x4B
K
0x6B
k
0x4C
L
0x6C
l
0x4D
M
0x6D
m
0x4E
N
0x6E
n
0x4F
O
0x6F
o
0x50
P
0x70
p
0x51
Q
0x71
q
0x52
R
0x72
r
0x53
S
0x73
s
0x54
T
0x74
t
0x55
U
0x75
u
0x56
V
0x76
v
0x57
W
0x77
w
0x58
X
0x78
x
0x59
Y
0x79
y
0x5A
Z
0x7A
z
26
Appendix III – Mapping definition
• Definition of Mapping A :
27
• Definition of Mapping B :
28
Appendix IV – Auto Color Gain
The Auto Color Gain function is supported in the ARGB mode only and is designed to
calibrate the controller to the incoming video signal. In order to calibrate correctly, the display must be
displaying an image containing both black and white data (see illustration below) when the function is
used. The internal processor of the video controller chip will then execute a process to adjust the
relative values of the RGB signals to achieve the best performance. The parameters of the corrected
RGB values are then stored in the controller and are unaffected by the Reset Factory Defaults
function.
Warning - If the Auto Color Gain is executed without an appropriate image being displayed, then the
process will set incorrect values and the display colors will be distorted. If this occurs, then it can
either be corrected by performing the process correctly or if this is not possible then the Reset Color
Gain function can be used. This function will reset the stored RGB values to a set of approximate
values.
29
WARRANTY
The products are warranted against defects in workmanship and material for a period of three (3) year from the date of
purchase provided no modifications are made to it and it is operated under normal conditions and in compliance with the
instruction manual.
The warranty does not apply to:
• Product that has been installed incorrectly, this specifically includes but is not limited to cases where electrical short circuit
is caused.
• Product that has been altered or repaired except by the manufacturer (or with the manufacturer’s consent).
• Product that has subjected to misuse, accidents, abuse, negligence or unusual stress whether physical or electrical.
• Ordinary wear and tear.
Except for the above express warranties, the manufacturer disclaims all warranties on products furnished hereunder, including
all implied warranties of merchantability and fitness for a particular application or purpose. The stated express warranties are in
lieu of all obligations or liabilities on the part of the manufacturer for damages, including but not limited to special, indirect
consequential damages arising out of or in connection with the use of or performance of the products.
CAUTION
Whilst care has been taken to provide as much detail as possible for use of this product it cannot be relied upon as
an exhaustive source of information. This product is for use by suitably qualified persons who understand the nature
of the work they are doing and are able to take suitable precautions and design and produce a product that is safe
and meets regulatory requirements.
LIMITATION OF LIABILITY
The manufacturer’s liability for damages to customer or others resulting from the use of any product supplied hereunder shall in
no event exceed the purchase price of said product.
TRADEMARKS
The following are trademarks of Digital View Ltd:
• Digital View
• ALR-1400
30
CONTACT DETAILS
Digital View has offices in Asia, Europe and USA also an internet site:
ASIA
Digital View Ltd
16th Floor Millennium City 3
370 Kwun Tong Road
Kwun Tong
Hong Kong
Tel: (852) 2861 3615 Fax: (852) 2520 2987
Sales: hksales@digitalview.com
EUROPE
Digital View Ltd.
6 Marylebone Passage,
London, W1W 8EX
UK
Tel: +44-(0)20-7631-2150 Fax: +44-(0)20-7631-2156
Sales: uksales@digitalview.com
USA
Digital View Inc.
18440 Technology Drive
Building 130
Morgan Hill,
California, 95037
USA
Tel: (1) 408-782 7773 Fax: (1) 408-782 7883
Sales: ussales@digitalview.com
WEBSITE
www.digitalview.com
Specifications subject to change without notice
9th issue: 24 Nov, 2010 (ALR-1400.doc) © Digital View Ltd 2006-2010