Page 1
Planar PS-Series RS232 protocol
(Applies to PS4200, PS4200TL, PS4250, PS4650, PS5550, PS5551, PS6500 models only)
Table of contents
1 Introduction ............................................................................................................... 2
2 Description ................................................................................................................. 2
2.1 Hardware specification ....................................................................................... 2
2.2 Communication Setting ...................................................................................... 2
2.3 Command Message Reference ........................................................................... 2
3 Protocol 1 : with ID ................................................................................................... 3
3.1 Command Description ........................................................................................ 3
3.2 Set-Function Listing ........................................................................................... 3
3.3 Get-Function Listing ........................................................................................... 8
4 Protocol 2 : without ID ............................................................................................ 16
4.1 Set function listing ............................................................................................ 16
4.2 Remote Control Pass-through mode ................................................................. 20
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1 Introduction
This document describes the hardware interface spec and software protocols of RS232 interface
communication between Commercial Display and PC or other control unit with RS232 protocol.
1. Protocol 1, with ID
This set protocol allow user to assign the ID in the command to control the specify ID monitor
2. Protocol 2, without ID
The set protocol is best for single display control
Both sets protocol contain three sections command:
Set-Function
Get-Function
Remote control pass-through mode
※In below document, “PC” will represents all the control units that can sent or receive the RS232
protocol command.
2 Description
2.1 Hardware specification
LCD communication port in the rear side
(1) Connector type: DSUB 9 Pin Male
(2) Pin Assignment
Male DSUB 9Pin
(outside view)
Pin # Signal Remark
1 NC
2 RXD Input to LCD
Monitor
3 TXD Output from LCD
Monitor
4 NC
5 GND
6 NC
7 NC
8 NC
9 NC
frame GND
*Use of crossover (null modem) cable
required for use with PC
2.2 Communication Setting
- Baud Rate Select: 9600bps (fixed)
- Data bits: 8bits (fixed)
- Parity: None (fixed)
- Stop Bits: 1(fixed)
2.3 Command Message Reference
PC sends to Monitor command packet followed by “CR”. Every time PC sends control command to
the Monitor, the Monitor shall response as follows:
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1. If the message is receives correctly it will send “+” (02Bh) followed by “CR” (00Dh)
2. If the message is receives incorrectly it will send “-” (02Dh) followed by “CR” (00Dh)
3 Protocol 1: with ID
3.1 Command Description
Length: Total Byte of Message excluding “CR”
TV ID Identification for each of TV
Command
Type
Identify command type,
“s” (0x73h) : Set Command
“g” (0x67h) : Get Command
“r” (0x72h) : Reply Command
“p” (0x70h) : RCU Pass-through
“+” (0x2Bh) : Valid command Reply
“-“ (0x2Dh) : Invalid command Reply
Command: Function command code: One byte ASCII code
Value[1~3]: Three bytes ASCII that defines the value
CR 0x0D
3.2 Set-Function Listing
The PC can control the LCD Monitor for specific actions. The Set-Function command allows you to
control the LCD monitor behavior in a remote sit through the RS232 port. The Set-Function packet
format consists of 11 bytes.
Set-Function description:
Length: Total Byte of Message excluding “CR”
TV ID Identification for each of TV
If we want to set all TV settings, TV ID can use “99” to achieve, and it
will not have Reply command on this function.
Command
Type
Identify command type,
“s” (0x73h) : Set Command
Command: Function command code: One byte ASCII code
Value[1~3]: Three bytes ASCII that defines the value
CR 0x0D
Set-Function format
Send: (Command Type=”s”)
Name Length ID Command
Type
Byte
Count
Bytes
1 Byte 2
1 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1
Byte
1 2~3 4 5 6 7 8 9
Command Value
1
Value
2
Value
3
CR
Byte
order
Reply: (Command Type=”+” or “-”)
Name Length ID Command
CR
Type
Byte 1 Byte 2 1 Byte 1
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Count
Bytes
1 2~3 4 5
Byte Byte
order
Example1: Set Brightness as 76 for TV-02 and this command is valid
Send (Hex Format)
Name Length ID Command
Type
Hex 0x38 0x30
0x73 0x24 0x30 0x37 0x36 0x0
Command Value
1
Value
2
Value
3
0x32
Reply (Hex Format)
Name Length ID Command
CR
Type
Hex 0x34 0x30
0x32
0x2B 0x0
D
Example2: Set Brightness as 176 for TV-02 and this command is NOT valid
Send (Hex Format)
Name Length ID Command
Type
Hex 0x38 0x30
0x73 0x24 0x31 0x37 0x36 0x0
Command Value
1
Value
2
Value
3
0x32
Reply (Hex Format)
Name Length ID Command
CR
Type
Hex 0x34 0x30
0x32
0x2D 0x0
D
Example3: Set Tint as 32 for TV-03 and this command is valid
Send (Hex Format)
Name Length ID Command
Type
Hex 0x38 0x30
0x73 0x27 0x30 0x33 0x32 0x0
Command Value
1
Value
2
Value
3
0x33
Reply (Hex Format)
Name Length ID Command
CR
Type
Hex 0x34 0x30
0x33
0x2B 0x0
D
Example4: Set Tint as 75 for TV-03 and this command is NOT valid
Send (Hex Format)
Name Length ID Command
Type
Hex 0x38 0x30
0x73 0x27 0x30 0x37 0x35 0x0
Command Value
1
Value
2
Value
3
0x33
CR
D
CR
D
CR
D
CR
D
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Set Function
Len ID Cmd
Command
Value Range
Comments
Type
Code
(ASCII)
Code
(Three ASCII
Reply (Hex Format)
Name Length ID Command
CR
Type
Hex 0x34 0x30
0x33
0x2D 0x0
D
Example5: Set Brightness as 76 for all TV and this command is valid
Send (Hex Format)
Name Length ID Command
Type
Hex 0x38 0x39
0x73 0x24 0x30 0x37 0x36 0x0
Command Value
1
Value
2
0x39
No Reply.
Set-function table
Value
3
CR
D
(Hex)
Picture mode 8 s 81
Contrast 8 s # 23
Brightness 8 s $ 24
Color 8 s 82
Tint 8 s 83
Sharpness 8 s % 25
Backlight
DCR
Color Temp
Input Resolution
Volume
8 s 84
8 s 85
8 S 86
8 s 87
8 s 5 35
bytes)
000: STANDARD
001: VIVID
002: CINEMA
003: USER
000 ~ 100
000 ~ 100
000 ~ 100
000 ~ 100
000 ~ 010
000 ~ 100
000: OFF
001: ON
000: 12000K
001: 9300K
002: 6500K
004: User
000: AUTO
001: 1024x768
002: 1280x768
003: 1360x768
004: 1366x768
000 ~ 100
Step : 20 for OSD
display range 0~5
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Mute
Audio Source
Speaker
Aspect Ratio
PIP Enable
PIP Main Input
PIP Sub Input
PIP Size
PIP Position
Video Source
Auto adjustment
8 s 6 36
8 s 88
8 s 89
8 s 1 31
8 s 8A
8 s 8B
8 s 8C
8 s 8D
8 s 8E
8 s “
8 s
22
8F
000: OFF
001: ON
000: Audio1
001: HDMI
002: Audio2
003: Audio3
000: Internal
001: External
002: Lineout
000:
Full
001: Original
000: OFF
001: ON
000: VGA
001: YPbPr
002: DVI
003: HDMI
000: VGA
001: YPbPr
002: DVI
003: HDMI
000: Small
001: Middle
002: Large
000: Move Down
001: Move Up
002: Move Left
003: Move Right
000 : VGA
001 : HDMI1
003 : CVBS1
004 : YPbPr
005 : S-Video
006 : DVI
Only effected for
models include
internal speakers.
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Clock frequency
Phase
H.Position
V.Position
Ambient Light
Sensor
Blue Screen
Auto Detect
Touch Feature
Language
Over Scan
RTC Year
RTC Month
RTC Day
RTC Hour
RTC Minute
Daylight saving
time
H Monitor
V Monitor
H Position
V Position
Frame Comp.
Power save
8 s
8 s
8 s
8 s
8 s
8 s
8 s
8 s
8 s 2
8 s
8 s
8 s
8 s
8 s
8 s
8 s
8 s
8 s
8 s
8 s
8 s
8 s
000 ~ 32
90
000 ~ 32
91
000 ~ 100
92
000 ~ 100
93
000: OFF
94
001: ON
000: OFF
95
001: ON
000: OFF
96
001: ON
000: OFF Only effected for
9E
001: On
000: English
32
001: French
002: Spanish
003: Czech Optional by
004: Danish Optional by
000: OFF
97
001: ON
000 ~ 099 From 2000~2099
98
000 ~ 012
99
000 ~ 031
9A
000 ~ 023
9B
000 ~ 059
9C
000: OFF
9D
001: ON
001 ~ 010
A4
001 ~ 010
A5
001 ~ 010
A6
001 ~ 010
A7
000: OFF
A8
001: ON
000: OFF
A9
001: Eco
Touch models.
different models.
different models.
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Monitor ID
Image retention
Auto adjustment
DDC/CI
Reset User Default
OSD Info Box
Store User Default
Factory Reset
Power
Key Pad
Remote Control
Key Pad function
Menu Key function
Power Key
function
8 s
8 s
8 s
8 s
8 s
8 s
8 s
8 s
8
8
8
8 s C 43 000: Disable
001: Enable
8 s E 45 000: Disable
001: Enable
8 s F 46 000: Disable
001: Enable
s
s A 41 000 : POWER
001 : SOURCE
002 : MENU
003 : UP
004 : DOWN
005 : LEFT
006 : RIGHT
007 : MUTE
s B 42 000: Disable
001: Enable
002: Pass
=
G
[
~
! 21 000: STBY
001: ON
002: VGA Only
003: Standard
3D 001 ~ 098
47 000: OFF
001: ON
AA 000: OFF
001: ON
AB 000: OFF
001: ON
AC
5B 000: OFF
001: ON
AD
7E
through
3.3 Get-Function Listing
The PC can interrogate the LCD Monitor for specific information. The Get-Function packet format
consists of 5 bytes which is similar to the Set-Function packet structure. Note that the “Value” byte is
always = 00.
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Get-Function description:
Length: Total Byte of Message excluding “CR”
TV ID Identification for each of TV
Command
Type
Identify command type,
“g” (0x67h) : Get Command
Command: Function command code: One byte ASCII code
Value[1~3]: Three bytes ASCII that defines the value
NOTE: to get backlight senor, thermal sensor, and ambient sensor
need four bytes ASCII that defines the value and the length is 9.
CR 0x0D
Get-Function format
Send: (Command Type=”g”)
Name Length ID Command
Type
Byte
Count
Bytes
1 Byte 2
1 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1
Byte
1 2~3 4 5 6 7 8 9
Command Value
1
Value
2
order
Reply: (Command Type=”r” or “-”)
If the Command is valid, Command Type =”r”
Name Length ID Command
Type
Byte
Count
Bytes
1 Byte 2
1 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1
Byte
1 2~3 4 5 6 7 8 9
Command Value
1
Value
2
order
If the Command is Not valid, Command Type=”-“
Name Length ID Command
CR
Type
Byte
Count
Bytes
1 Byte 2
1 Byte 1
Byte
1 2~3 4 5
Byte
order
Example1: Get Brightness from TV-05 and this command is valid.
The Brightness value is 67.
Send (Hex Format)
Name Length ID Command
Type
Hex 0x38 0x30
0x67 0x62 0x30 0x30 0x30 0x0
Command Value
1
Value
2
0x35
Reply(Hex Format)
Name Length ID Command
Type
Command Value
1
Value
2
Value
3
Value
3
Value
3
Value
3
CR
Byte
CR
Byte
CR
D
CR
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Hex 0x38 0x30
0x35
0x72 0x62 0x30 0x36 0x37 0x0
D
Example2: Get Brightness from TV-05 , but the Brightness command ID is error
and it is NOT in the command table.
Send (Hex Format)
Name Length ID Command
Type
Hex 0x38 0x30
0x67 0XD3 0x30 0x30 0x30 0x0
0x35
Command Value
1
Value
2
Value
3
CR
D
Reply (Hex Format)
Name Length ID Command
CR
Type
Hex 0x34 0x30
0x35
0x2D 0x0
D
Example3: Get Tint from TV-0007 and this command is valid.
The Tint value is 32.
Send (Hex Format)
Name Length ID Command
Type
Hex 0x38 0x30
0x67 0X65 0x30 0x30 0x30 0x0
0x37
Command Value
1
Value
2
Value
3
CR
D
Reply (Hex Format)
Name Length ID Command
Type
Hex 0x38 0x30
0x72 0x65 0x30 0x33 0x32 0x0
0x37
Command Value
1
Value
2
Value
3
CR
D
Example4: Get Tint from TV-07 , but the Brightness command ID is error and it is NOT in the
command table.
Send (Hex Format)
Name Length ID Command
Type
Hex 0x38 0x30
0x67 0XD7 0x30 0x30 0x30 0x0
0x37
Command Value
1
Value
2
Value
3
CR
D
Reply (Hex Format)
Name Length ID Command
CR
Type
Hex 0x34 0x30
0x37
0x2D 0x0
D
Example5 Get backlight sensor from TV-0007 and this command is valid.
The lux value is 1786 (ASCII code).
Send (Hex Format)
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Name Length ID Command
Type
Hex 0x39 0x30
0x67 0X6F 0x30 0x30 0x30 0x30 0x0
0x37
Command Value
1
Value2 Value
3
Value4 CR
D
Reply (Hex Format)
Name Length ID Command
Type
Hex 0x39 0x30
0x72 0X6F 0x31 0x37 0x38 0x36 0x0
0x37
Command Value
1
Value
2
Value3 Value
3
CR
D
Example6 Get ambient sensor from TV-0007 and this command is valid.
The lux value is 1568 (ASCII code).
Send (Hex Format)
Name Length ID Command
Type
Hex 0x39 0x30
0x67 0X70 0x30 0x30 0x30 0x30 0x0
Command Value
1
Value2 Value
3
Value4 CR
D
0x37
Reply (Hex Format)
Name Length ID Command
Type
Hex 0x39 0x30
0x72 0X70 0x31 0x35 0x36 0x38 0x0
Command Value
1
Value2 Value
3
Value4 CR
D
0x37
Example7 Get thermal sensor from TV-0007 and this command is valid.
The value is +075 degree (ASCII code). NOTE: positive degree is “+”ASCII code and negative degree
is “-”ASCII code.
Send (Hex Format)
Name Length ID Command
Type
Hex 0x39 0x30
0x67 0X71 0x30 0x30 0x30 0x30 0x0
Command Value
1
Value2 Value
3
Value4 CR
D
0x37
Reply (Hex Format)
Name Length ID Command
Type
Hex 0x39 0x30
0x72 0X71 0x2B 0x30 0x37 0x35 0x0
Command Value
1
Value2 Value
3
Value4 CR
D
0x37
Example8 Get Running Hours from TV-0007 and this command is valid.
The value is 21,356 hours (ASCII code).
Send (Hex Format)
Name Lengt ID Command Comman Value Value Value Value Value CR
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h Type d 1 2 3 4 5
Hex 0x3A 0x30
0x67 0X76 0x30 0x30 0x30 0x30 0x30 0x0
0x37
Reply (Hex Format)
Name Length ID Command
Type
Hex 0x3A 0x30
0x72 0X76 0x32 0x31 0x33 0x35 0x36 0x0
0x37
Command Value
1
Value2 Value3 Value
4
D
Value5 CR
D
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Get
Function
Len ID Cmd
Command
Value Range
Comments
Type
Code
(ASCII)
Code
(Three ASCII
PC Get-function command to LCD Monitor
Picture mode 8
Contrast 8
Brightness 8
Color 8
Tint 8
Sharpness 8
Backlight
DCR
Color Temp
Input Resolution
Volume
Mute
Audio Source
Speaker
8
8
8
8
8
8
8
8
(Hex)
g
g
g
g
g
g
g
g
g
g
g
g
g
g
B1
61
62
B2
B3
63
B4
B5
B6
B7
66
67
B8
B9
bytes)
000: STANDARD
001: VIVID
002: CINEMA
003: USER
000 ~ 100
000 ~ 100
000 ~ 100
000 ~ 100
000 ~ 010
000 ~ 100
000: OFF
001: ON
000: 12000K
001: 9300K
002: 6500K
004: User
000: AUTO
001: 1024x768
002: 1280x768
003: 1360x768
004: 1366x768
000 ~ 100
000: OFF
001: ON
000: Audio1
001: HDMI
002: Audio2
003: Audio3
000: Internal
001: External
002: Lineout
Step : 20 for OSD
display range 0~5
Only effected for
models include
internal speakers.
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Aspect Ratio
PIP Enable
PIP Main Input
PIP Sub Input
PIP Size
Video Source
Clock frequency
Phase
H.Position
V.Position
Ambient Light
Sensor
Blue Screen
Auto Detect
Touch Feature
Language
8
8
8
8
8
8
8
8
8
8
8
8
8
8 g
8
g
g
g
g
g
g
g
g
g
g
g
g
g
g
77
BA
BB
BC
BD
000:
Full
001: Original
000: OFF
001: ON
000: VGA
001: YPbPr
002: DVI
003: HDMI
000: VGA
001: YPbPr
002: DVI
003: HDMI
000: Small
001: Middle
002: Large
000 : VGA
6A
001 : HDMI1
003 : CVBS1
004 : YPbPr
005 : S-Video
006 : DVI
000 ~ 32
C0
000 ~ 32
C1
000 ~ 100
C2
000 ~ 100
C3
000: OFF
C4
001: ON
000: OFF
C5
001: ON
000: OFF
C6
001: ON
000: OFF Only effected for
CE
001: ON
000: English
78
001: French
002: Spanish
Touch models.
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Over Scan
RTC Year
RTC Month
RTC Day
RTC Hour
RTC Minute
Daylight saving
time
H Monitor
V Monitor
H Position
V Position
Frame Comp.
Power save
Monitor ID
Image retention
Auto adjustment
DDC/CI
FW Version
OSD Info Box
Power
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
16
8
8
g
g
g
g
g
g
g
g
g
g
g
g
g
g
g
g
g
g
g
g
003: Czech, Optional by
004: Danish Optional by
6C 000: STBY
001: ON
000: OFF
C7
001: ON
000 ~ 099 From 2000~2099
C8
000 ~ 012
C9
000 ~ 031
CA
000 ~ 023
CB
000 ~ 059
CC
000: OFF
CD
001: ON
001 ~ 010
D4
001 ~ 010
D5
001 ~ 010
D6
001 ~ 010
D7
000: OFF
D8
001: ON
000: OFF
D9
001: Eco
002: VGA Only
003: Standard
75 001 ~ 098
72 000: OFF
001: ON
DA 000: OFF
001: ON
DB 000: OFF
001: ON
DC PS5550 p.xx (ASCII), the return
5D 000: OFF
001: ON
different models.
different models.
value will be
different for
different model
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Remote Control
Key Pad function
Menu Key function
Power Key
function
5V
12V
Ambient Sensor
Thermal Sensor
Operating Time
8
8
001: Enable
8
001: Enable
8
001: Enable
8 g m 6D 000~50
8 g n 6E 000~120
9 g p 70 0000 ~ 2000
9 g q 71 -055 ~ +125
A g v 76 0 ~ 65535 Hour
g
001: Enable
002: Pass
g
g
g
68 000: Disable Lock
through
69 000: Disable Lock
73 000: Disable Lock
74 000: Disable Lock
4 Protocol 2 : without ID
4.1 Set function listing
The PC can control the LCD Monitor for specific actions. The Set-Function command allows you to
control the LCD monitor behavior in a remote sit through the RS232 port. The Set-Function packet
format consists of 5 bytes. Note that the “Value” byte is always = 00.
Set-Function description:
Length: Total bytes of message = 5 ASCII (35H) excluding “CR”
Command: Function command code: One byte ASCII code
Value[1~3]: Three bytes ASCII that defines the value
Set-Function format:
Name Length Command Value1 Value2 Value3 CR
Byte Count 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte
Bytes order
1 2 3 4 5 6
All Set-Function from PC to Monitor (ASCII)
Name Length Command Value1 Value2 Value3 CR
Byte Count
Bytes order
5 1 Byte 1 Byte 1 Byte 1 Byte 00D
1 2 3 4 5 6
Example: Set Mute-ON command (ASCII)
Name Length Command Value1 Value2 Value3 CR
Byte Count
Bytes order
5 6 0 0 0 00D
1 2 3 4 5 6
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Set Function
Len Value Range
Comments
Code
(Three ASCII
Example: Set Mute-OFF command (ASCII)
Name Length Command Value1 Value2 Value3 CR
Byte Count
Bytes order
5 6 0 0 1 00D
1 2 3 4 5 6
LCD Monitor will send “+” (02Bh) and “CR” bytes to PC after receiving a valid command.
LCD Monitor will send “-” (02Dh) and “CR” bytes to PC if the command is not valid.
Value Range: Three bytes ASCII value range
Command
Function command code in ASCII
Code:
set command table
(Hex)
Picture mode 5 81
Contrast 5 23
Brightness 5 24
Color 5 82
Tint 5 83
Sharpness 5 25
Backlight
DCR
Color Temp
Input Resolution
Volume
5 84
5 85
5 86
5 87
5 35
bytes)
000: STANDARD
001: VIVID
002: CINEMA
003: USER
000 ~ 100
000 ~ 100
000 ~ 100
000 ~ 100
000 ~ 010
000 ~ 100
000: OFF
001: ON
000: 12000K
001: 9300K
002: 6500K
004: User
000: AUTO
001: 1024x768
002: 1280x768
003: 1360x768
004: 1366x768
000 ~ 100
Step : 20 for OSD
display range 0~5
VGA only
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Mute
Audio Source
Speaker
Aspect Ratio
PIP Enable
PIP Main Input
PIP Sub Input
PIP Size
PIP Position
Video Source
Auto adjustment
5 36
5 88
5 89
5 31
5 8A
5 8B
5 8C
5 8D
5 8E
5
22
5
8F
000: OFF
001: ON
000: Audio1
001: HDMI
002: Audio2
003: Audio3
000: Internal
001: External
002: Lineout
000:
Full
001: Original
000: OFF
001: ON
000: VGA
001: YPbPr
002: DVI
003: HDMI
000: VGA
001: YPbPr
002: DVI
003: HDMI
000: Small
001: Middle
002: Large
000: Move Down
001: Move Up
002: Move Left
003: Move Right
000 : VGA
001 : HDMI1
003 : CVBS1
004 : YPbPr
005 : S-Video
006 : DVI
Only effected for
models include
internal speakers.
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Clock frequency
Phase
H.Position
V.Position
Ambient Light
Sensor
Blue Screen
Auto Detect
Touch Feature
Language
Over Scan
RTC Year
RTC Month
RTC Day
RTC Hour
RTC Minute
Daylight saving
time
H Monitor
V Monitor
H Position
V Position
Frame Comp.
Power save
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
000 ~ 32
90
000 ~ 32
91
000 ~ 100
92
000 ~ 100
93
000: OFF
94
001: ON
000: OFF
95
001: ON
000: OFF
96
001: ON
000: OFF Only effected for
9E
001: ON
000: English
32
001: Franch
002: Spanish
003: Czech, Optional by
004: Danish Optional by
000: OFF
97
001: ON
000 ~ 099 From 2000~2099
98
000 ~ 012
99
000 ~ 031
9A
000 ~ 023
9B
000 ~ 059
9C
000: OFF
9D
001: ON
001 ~ 010
A4
001 ~ 010
A5
001 ~ 010
A6
001 ~ 010
A7
000: OFF
A8
001: ON
000: OFF
A9
001: ECO
002: VGA Only
Touch models.
different models.
different models.
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Monitor ID
Image retention
Auto adjustment
DDC/CI
Reset User Default
OSD Info Box
Store User Default
Factory Reset
Power
Key Pad
Remote Control
Key Pad function
Menu Key function
Power Key
function
5 3D 001 ~ 098
5 47 000: OFF
001: ON
5 AA 000: OFF
001: ON
5 AB 000: OFF
001: ON
5 AC
5 5B 000: OFF
001: ON
5 AD
5 7E
5 21 000: STBY
001: ON
5 41 000 : POWER
001 : SOURCE
002 : MENU
003 : UP
004 : DOWN
005 : LEFT
006 : RIGHT
007 : MUTE
42 000: Disable
5
001: Enable
002: Pass
5 43 000: Disable
001: Enable
5 45 000: Disable
001: Enable
5 46 000: Disable
001: Enable
003: Standard
through
4.2 Remote Control Pass-through mode
When PC sets the LCD monitor to Remote Control Pass through mode, the LCD shall send a three bytes
packet (followed by “CR”) in response to RCU button activation. Note, that in this mode the RCU shall
have no effect on the monitor function. For example: “+Volume” will not change the volume in the
LCD but only sends “+Volume” code to PC over the RS232 port.
Remote Control pass-through packet format from LCD monitor to PC(ASCII)
Name Length RCU-Code1 RCU-Code2 CR
Byte Count
Bytes order
3 MSB LSB 00D
1 2 3 4
Example: Remote Control pass-through when “Menu” key is pressed (2E)
Name Length RCU-Code1 RCU-Code2 CR
Byte Count
3 2 E 00D
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Bytes order
1 2 3 4
Example: Remote Control pass-through when key “DOWN” is pressed (21)
Name Length RCU-Code1 RCU-Code2 CR
Byte Count
Bytes order
3 2 1 00D
1 2 3 4
Example: Remote Control pass-through when “Power” key is pressed (0C)
Name Length RCU-Code1 RCU-Code2 CR
Byte Count
Bytes order
3 0 C 00D
1 2 3 4
RCU Key Support CODE (HEX) Notes
PWR
Exit
Vol +
Vol -
UP
DOWN
Mute
Enter
Menu
Information
Input
DVI
VGA
HDMI
AV
YPbPr
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
0C
0F = MENU key
10
11
20
21
0D
0A = SOURCE key
2E
12
28 = SOURCE key
4B
39
38
37
70
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