Remote Control Pass-Through Mode - ViewSonic CD4620 User Manual

6.3 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.
shall have no effect on the monitor function.
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
Byte Count
3
Bytes order 1
Example: Remote Control pass-through when "Menu" key is pressed (1A)
Name
Length
Byte Count
3
Bytes order 1
Example: Remote Control pass-through when key "1" is pressed (01)
Name
Length
Byte Count
3
Bytes order 1
Example: Remote Control pass-through when "OK" key is pressed (1F)
Name
Length
Byte Count
3
Bytes order 1
Key
Size
Volume Up (+)
Volume Down (-)
Mute
POWER
INPUT
PIP ON/OFF
MENU
Up
Down
Left(-)
Right(+)
SET
PIP INPUT
PIP CHANGE
PICTURE MODE
AUDIO INPUT
SCREEN SAVER GAMMA
SCREEN SAVER BRIGHTNESS
DISPLAY
AUTO SETUP
EXIT
ViewSonic CD4620
For example: "+Volume" will not change the volume in the
RCU-Code1 RCU-Code2
MSB LSB
2 3
RCU-Code1 RCU-Code2
1 A
2 3
RCU-Code1 RCU-Code2
0 1
2 3
RCU-Code1 RCU-Code2
1 F
2 3
Code (HEX)
Note, that in this mode the RCU
CR
00D
4
CR
00D
4
CR
00D
4
CR
00D
4
0F
10
11
12
15
16
17
1A
1B
1C
1D
1E
1F
00
00
00
00
00
00
00
00
00
55