Remote Control
RS-232 Protocol
4
5
1. Power: Press the button to turn on/off the unit.
2. Input Select for HDMI OUT A:
Press 1, 2, 3 or 4 to select the desired input
source for HDMI OUT A.
3. Input Select for HDMI OUT B:
Press 1, 2, 3 or 4 to select the desired input
source for HDMI OUT B.
4. Input Select for HDMI OUT C:
Press 1, 2, 3 or 4 to select the desired input
source for HDMI OUT C.
5. Input Select for HDMI OUT D:
Press 1, 2, 3 or 4 to select the desired input
source for HDMI OUT D.
Pin Definition
AT-HD-V44M
Remote Control Console
PIN
Definition
PIN
Definition
1
NC
1
NC
2
Tx
2
Rx
3
Rx
3
Tx
4
NC
4
NC
5
GND
5
GND
6
NC
6
NC
7
NC
7
NC
8
NC
8
NC
9
NC
9
NC
1
2
3
4
5
