X@ is the output switched to the
X@ is the output switched to the
X@ is the output switched to the
X@ is the output switched

Switcher-Initiated Messages

When a local event such as power-up or a front panel operation occurs, the switcher responds by sending a message to the host. The switcher-initiated messages are listed below and on the following pages.

The switcher does not expect a response from the host, but the host program may request a new status.

Power-up

©Copyright 2007, Extron Electronics, ISM 824 series, V x.xx, 60-787-01 ]

The copyright message is initiated by the switcher when it is first powered on. Vx.xx is the firmware version number.

Input selection

Qik]

A front panel video and audio switching operation has occurred.

Input and output video type

Typ X! * X#]

A front panel input video type selection has occurred. X! is the input number and X# is the input video type.

RteX@ * X2! * X2@]

A front panel output video format selection has occurred. X2! is the output resolution and X2@ is the output refresh rate.

X@SynX2$]

A front panel output video type selection has occurred. X2$ is the output video format (RGBHV, RGBS, RGsB, Y, R-Ybi-level, Y, R-Y,B-Ytri-level).

X@PolX5#]

A front panel output polarity selection has occurred. X5# is the output sync polarity.

Picture adjustments

X@ColX! *X1%]

A front panel color adjustment has occurred. adjusted input X! and X1% is the color variable.

X@TinX! *X1%]

A front panel tint adjustment has occurred. adjusted input X! and X1% is the tint variable.

X@BrtX! *X1%]

A front panel color brightness adjustment has occurred.

to the adjusted input X! and X1% is the brightness variable.

X@ConX! *X1%]

A front panel contrast adjustment has occurred. adjusted input X! and X1% is the contrast variable.

X@HszX! *X1&]

A front panel horizontal size adjustment has occurred. X@ is the output and X1& is the size variable.

ISM 824 Integration Scaling Multiswitcher • SISProgramming and Control

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Extron electronic ISM 824 manual Switcher-Initiated Messages, Power-up, Input selection, Input and output video type