Chapter 5. RS-232 Commands

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

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