Command table rs232 – HP LT3200 User Manual
Page 30
HP High-Definition LCD TV Service Manual
25
Command Table RS232
COMMAND: 3 bytes
PARAMETER: 4 byte
CR (Carriage Return) at the end of string
“OK” + CR: success
“ERR” + CR: fail
20 Remote Commands Over RS232c Port
Set the RS-232c communications settings on the PC to match the TV’s communication conditions. The TV’s
communications settings are as follows:
Baud rate
9600 bps
Data length
8 bits
Parity bit
None
Stop bit
1 bit
Flow control
CTS/RTS
Control Item
Command
Parameter
Control Contents
P
O W R
0 _
_
_
Off
Shifts TV to standby if it is
in power-on mode.
In Slow boot mode, when
TV is in the middle of
booting sequence, this
command is processed by
MCU.
Power setting
P O
W
R 1
On
Shifts
TV
to
power-on
mode
if it is in standby mode.
In Slow boot mode, this
command is processed by
external MCU.
Input Select
I
N P
S
x _
_
_
Input terminal number
(0–8)
It input-switches to INPUT0
~ INPUT8 (the sequence is
Air/Cable, CBVBS1,
S-Video1, CVBS2, S-
Video2, YPbPr1, YPbPr2,
VGA, HDMI)
0 _ _ _ Movie
1 _ _ _ Vivid
2 _ _ _ Standard
AV mode selection
A
V
M D
3 _ _ _ USER
Volume
V O L M * * * _ Volume
(0–100)