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www.atlona.com
Toll free: 1-877-536-3976
Local: 1-408-962-0515
The connection between PC-AVCOMP and remote controller with RS-232 modem cable.
Pins definition of modem cable
AT-PC-AVSCOMP
Remote Controller
PIN
Definition
PIN
Definition
1
NC
1
NC
2
TxD
2
RxD
3
RxD
3
TxD
4
NC
4
NC
5
GND
5
GND
6
NC
6
NC
7
NC
7
NC
8
NC
8
NC
9
NC
9
NC
RS-232 transmission format:
Baud Rate: 9600 bps
Data Bit: 8 bits
Parity: None
Stop Bit: 1 bit
Command / Response codes of RS-232 transmission:
“ The command / response codes are the combination of 3 bytes. the 1st, 2nd byte are text and the 3rd byte
is value.”
Remote Controller Command Codes to AT-PC-AVSCOMP
Code
Comment
‘PW’+0
‘PW’+1
POWER
power off
power on
‘NP’+0
‘NP’+1
N/P
NTSC output
PAL output
‘FZ’+0
‘FZ’+1
FREEZE
freeze image off
freeze image on
‘OV’+0
‘OV’+1
OVERSCAN
underscan
overscan
‘ZM’+0
‘ZM’+1
ZOOM
zoom off
zoom on
‘MU’+0
‘MU’+1
move UP
move UP button release
move UP button press
RS-232 REMOTE CONTROL PROTOCOL
