Extron-electronics VN-COMMANDER Uživatelský manuál stáhnout pdf (Strana 134)

Appendix B: Serial Commands VN-COMMANDER User Guide

124 I456GB issue 8

Control of External Devices

Enabling Serial Control To enable external devices to be controlled they will need

to be connected to the ‘Data TX’ output of one of the

computer’s serial (RS-232) ports.

These ports are usually identified as COMx, where x is a

number from 1 to 4 (e.g. COM2). You must ensure that the

appropriate serial port is configured correctly, by

following the instructions on pages 36 and 40.

Control Options Serial data strings can be included within scenes (see

page 71). In a scene, three strings can be transmitted:

•

••

• Pre (as soon as the scene is selected but not yet fully

displayed);

•

••

• Post (when the scene display is fully complete);

•

••

• Exit (when another scene is selected but before the Pre

commands of the new scene).

These commands can be used to control external source

switchers or other RS-232 controllable devices.

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Extron-electronics VN-COMMANDER Uživatelský manuál Strana 134