Serial Communication, cont’d

User Mode

The User Mode screen, shown here, includes the most frequently used controls: input selection, projector and room controls, variable output volume control, audio/video breakaway, freeze, and executive mode toggling.

Special features

Freeze — Activating Freeze causes the output image to be still (frozen). This applies only to scaled outputs (non-RGB inputs).

Disable Front Panel — Enabling this feature locks the switcher’s entire front panel so no changes can be made at the switcher. It does not affect the SCP control pads. Input selection and display/projector control can be performed from the IR 701 or via RS-232; adjustments can be done only through RS-232 control when Disable Front Panel is on.

Disable Image Controls — This is feature is identical to Executive Mode, which is enabled by pressing the Color and Detail buttons at the same time. Disable Image Controls locks the picture adjustment and centering controls, but not the volume, input selection, and display controls.

I/O Configuration

The I/O Configuration screen, shown at left, allows you to select video input formats, scaler and sync output options, and RGB delay (Triple-Action switching delay time) settings. These settings are described in “Menus, Configuration, and Adjustments” in chapter three.

4-12 System 7SC • Serial Communication

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Extron electronic System 7SC manual User Mode, Special features, Configuration