Programmer’s Guide, cont’d

Switcher-Initiated Messages

When a local event such as a front panel operation occurs, the switcher responds by sending a message to the host. The switcher-initiated messages are listed below (underlined).

(c) Copyright 2007, Extron Electronics, CP 300 450 MAV IP, Vx.xx, 60-nnn-nn

The switcher initiates the copyright message when it is first powered on. Vx.xx is the firmware version number and 60-nnn-nnis the switcher part number.

Qik

The switcher initiates the Qik message when a front panel switching operation or preset recall has occurred.

Sprnn

The switcher initiates the Spr message when a memory preset has been saved from the front panel. “nn” is the preset number.

Rprnn

The switcher initiates the Rpr message when a memory preset has been recalled from the front panel. “nn” is the preset number.

Innn Audxx

The switcher initiates the Aud message when a front panel input audio level change has occurred. “nn” is the input number and “xx” is the dB level.

Vmtnnx

The switcher initiates the Vmt message when a video output mute is toggled on or off from the front panel. “nn” is the output number, • is a space, and “x” is the mute status: 1 = on, 0 = off.

Amtnnx

The switcher initiates the Amt message when an audio output mute is toggled on or off from the front panel. “nn” is the output number, • is a space, and “x” is the mute status: 1 = on, 0 = off.

Exen

The switcher initiates the Exe message when front panel lock is toggled on or off from the front panel. “n” is the front panel lock status: 1 = on, 0 = off.

4-4 CrossPoint 300 Matrix Switchers • Programmer’s Guide

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Extron electronic 1212, 84, 1616, 124, 168, 128, 816, 88 manual Programmer’s Guide, cont’d, Switcher-Initiated Messages