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10.3.3 Remote Control Pass-through mode
When the PC sets the TV/DS to Remote Control Pass through mode, the TV/DS will
send a 7-byte packet (followed by “CR”) in response to RCU button activation. Note,
that in this mode the RCU shall have no effect on the TV/DS function. For example:
“Volume+” will not change the volume in the LCD but only sends “Volume+” code to
PC over the RS232 port.
IR Pass Through-Function format
Reply: (Command Type=”p”)
Name Length ID Command
Type
RCU Code1
(MSB)
RCU Code2
(LSB)
CR
Byte
Count
1 Byte 2 Byte 1 Byte 1 Byte 1 Byte 1 Byte
Bytes
order
1 2~3 4 5 6 7
Example1: Remote Control pass-through when “VOL+” key is pressed for TV-05
Send (Hex Format)
Name Length ID Command
Type
RCU Code1
(MSB)
RCU Code2
(LSB)
CR
Hex
0x36 0x30
0x35
0x70 0x31 0x30 0x0D
Key Code (HEX)
1 01
2 02
3 03
4 04
5 05
6 06
7 07
8 08
9 09
0 0A
- 0B
RECALL (LAST) 0C
INFO (DISPLAY) 0D
0E
ASPECT (ZOOM, SIZE) 0F
VOLUME UP (+) 10
VOLUME DOWN (-) 11
MUTE 12
CHANNEL/PAGE UP (+)/
BRIGHTNESS+
13
CHANNEL/PAGE DOWN (-)/
BRIGHTNESS-
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