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HP LT3700 Service Manual: Command Table Rs232

Lcd high-definition television.
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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
Power setting
Input Select
AV mode selection
Volume
Command
Parameter
P
O
W
R
0
_
P
O
W
R
1
I
N
P
S
x
_
A
V
M
D
0
_
1
_
2
_
3
_
V
O
L
M
*
*
Control Contents
_
_
Off
On
_
_
Input terminal number
(0–8)
_
_
Movie
_
_
Vivid
_
_
Standard
_
_
USER
*
_
Volume (0–100)
HP High-Definition LCD TV Service Manual
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.
Shifts TV to power-on mode
if it is in standby mode.
In Slow boot mode, this
command is processed by
external MCU.
It input-switches to INPUT0
~ INPUT8 (the sequence is
Air/Cable, CBVBS1,
S-Video1, CVBS2, S-
Video2, YPbPr1, YPbPr2,
VGA, HDMI)
25

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Lt3200, Lt4200, Lt4700

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