Chapter 5. RS-232 Commands
49
Note: 1. Each command string can be separated with a space.
2. Some command strings can be skipped, and the default value will be
used.
3. The Audio or Video command string can be skipped, and both values
will be used.
4. If the command setting applies to all devices, the devices do not reply
in order to prevent RX interference.
5. When sending commands without an address parameter, the default
address used is a00; in addition, the a00 device replies (ACK) while
other devices (i.e., a01 a02...) do not reply.
Address Description
a Device address
Device Number Description
zz 00-15 (default is 00)
* All devices
Control Description
on Turn on
off Turn off
+ Next port
- Previous port
video Switch video only skip =
video+audio
audio Switch audio only
Enter Description
[Enter] Enter and send out the command
Acknowledge Description
Command OK Command is correct and the function
is executed
Command Incorrect Unavailable command or parameters
