User manual
37 PDC-190S User Manual
Appendix D Serial Remote Control
D.2 Command Outline
To start communication, send the connection command from the personal computer
etc.
For details, see table D.2 <Command list> below. The command packet consists of
four bytes. They are: two bytes of fixed header, one byte of command data, and one
byte of Check sum calculated in ((summation of 04h, 12h, command data) + 01h)
Figure D.1 Communication packet format
04h 12h Command Data Check Sum
Table D.1: Command List
Function Command Data Check Sum Remark
Power control POWER ON 96(hex) 54(hex)
Baud Rate: 4800 bps
Data Bits: 8 bits
Parity: No parity
Stop Bits: 1 bit
Flow Control: No control
Communication Code: Hex
Code
POWER OFF 97(hex) 53(hex)
Baud Rate: 115200 bps
Data Bits: 8 bits
Parity: No parity
Stop Bits: 1 bit
Flow Control: No control
Communication Code: Hex
Code
Select Main
Video Source
VGA 98(hex) 52(hex)
RGBS 99(hex) 51(hex)
DVI 9A(hex) 50(hex)
YCbCr 9B(hex) 4F(hex)
S-Video 9C(hex) 4E(hex)
CVBS 9D(hex) 4D(hex)
SDI 9E(hex) 4C(hex)
Speaker
Volume
Control
Volume Up
in 1 step
9F(hex) 4B(hex)
Volume Down
in 1 step
A0(hex) 4A(hex)
Multi display
control
PIP On A1(hex) 49(hex)
PIP Off A2(hex) 48(hex)
Simulate the
OSD buttons
action
Source Key A3(hex) 47(hex)
Up Key A4(hex) 46(hex)
Down Key A5(hex) 45(hex)
Dec Key A6(hex) 44(hex)
Inc Key A7(hex) 43(hex)
Menu Key A8(hex) 42(hex)
Note! These commands can be used while the monitor is off (standby), but
please take care that the RS-232C baud rate is changed to 4800 bps.










