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Extron Electronics System 4xi Series User Manual

Page 58

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Extron • System 4

xi

Switcher Series • User’s Manual

Appendix A • RS-232 Programmer’s Guide

Selecting Inputs Using Delimiters

When selecting inputs to the projector, or display (Dsp) and/or the System 4

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switcher (Sw), audio and video can

be switched together (follow) or separately (breakaway). An input is selected by its ASCII number, followed by a
delimiter character. The delimiter ends the command and also determines which inputs (audio/video) are
affected. System 4

xi

delimiters are listed and explained below. There are four delimiters that affect the

System 4

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. They are:

!

Affects Audio & Video (Aud/Vid) for the switcher (Sw) and affects only video for the projector (Dsp/Sw)

@ Affects Audio and Video (Aud/Vid) for switcher only (Sw)
$

Affects Audio only (Aud) for the switcher (Sw)

&

Affects Video only (Vid) for both projector and switcher (Dsp/Sw)

Examples:

Aud/Vid

Dsp/Sw

ASCII

Hex

Response Result Description

Select Input 2

Aud,Vid

*Dsp,Sw

2!

32,21

¿

C2

¿

Channel 2 selected

Select Input 16

Aud,Vid

*Dsp,Sw

16!

31,36,21

¿

C16

¿

Channel16 selected

Select Input 2

Aud,Vid

*Sw

2@

32,4Ø

¿

C2

¿

Channel 2 selected

Select Input 16

Aud,Vid

*Sw

16@

31,36,4Ø

¿

C16

¿

Channel 16 selected

Select Input 2

Aud

*Sw

2$

32,24

¿

A2

¿

Audio Ch 2 selected

Select Input 16

Aud

*Sw

16$

31,36,24

¿

A16

¿

Audio Ch 16 selected

Select Input 3

Vid

Dsp,Sw

3&

33,26

¿

V3

¿

Video Ch 3 selected

Select Input 15

Vid

Dsp,Sw

15&

31,35,26

¿

V15

¿

Video Ch 15 selected

* Audio switching affects only the System 4

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and not the display device.

A-7