System 4 xi -initiated messages – Extron Electronics System 4xi Series User Manual

Page 53

Appendix A • RS-232 Programmer’s Guide

Extron • System 4

Switcher Series • User’s Manual

A-2

System 4

-Initiated Messages

When AC power is initially applied to the System 4

, the following System 4

initiated messages (underlined) are sent to the Host:

SYS 1

System 4

power is ON

x = the Audio channel number selected

x = the Video channel number selected

When the Main power from the front panel is applied to the System 4

, the

following System 4

-initiated messages are sent to the Host:

SYS x

(as described above)

When audio and/or video settings are changed using the front panel, the
following messages or message combinations are sent to the Host:

(as described above)

Both video and audio settings for channel number x have been changed

When there is a change in the audio gain setting from the front panel, the
following message is sent to the Host:

RECONFIG

* This message will vary depending on the System 4

model.