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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)