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Extron Electronics System 4xi Series User Manual

Page 66

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Extron • System 4

xi

Switcher Series • User’s Manual

Appendix A • RS-232 Programmer’s Guide

A-15

Request System Configuration - CMD12 (3Ch)

4

Request the System 4

xi

Configuration.

Format:
ESC, CMD12, EOT

Response:
ESC, CMD12, ERC, LD Sync, RGB Delay, Aud Mute, Status 1, LD

xi

Misc,

reserved, EOT

Where: ESC, CMD12 = 1Bh, 3Ch
LD Sync

81h = Composite Sync with no serration pulses
82h = Sync negative (horizontal & vertical)
83h = Composite Sync with serration pulses
84h =

6

Sync positive (horizontal & vertical)

85h =

6

Sync positive horizontal, negative vertical

86h =

6

Sync negative horizontal, positive vertical

RGB Delay

80h - 8Ah = RGB Delay in 0.5 second steps

(values range from 0 to 5 seconds)

Aud Mute

80h = Audio is not Muted
81h = Audio is Muted

Status 1

80h - 83h (See table below.)
Bit #

7·6·5·4·3·2

1

0

Function:

Sys Power

Model

Power is Off

1·0·0·0·0·0

0

x

Power is On

1·0·0·0·0·0

1

x

Sys 4C

1·0·0·0·0·0

x

1

Sys 4LD, 4LD

ex

,

4LQ

ex

1·0·0·0·0·1

x

0

Sys 4LD

xi

,

4LQ

xi

1·0·0·0·0·1

x

0

LD

xi

Misc

6

80h - AAh (See table.)

Bit #s

76

54

32

10

Function:

Demo

Freeze VGA

Demo mode On

10

01

xx

xx

Demo mode Off

10

10

xx

xx

Freeze On

10

xx

01

xx

Freeze Off

10

xx

10

xx

Not VGA resolution

10

xx

xx

01

Force VGA resolution

10

xx

xx

10

reserved

80h = reserved

EOT

04h = End Of transmission

Example: (Request System Configuration)
1Bh, 3Ch, 04h

Response:
1Bh, 3Ch, 80h, 83h, 80h, 81h, 82h, A9h, 80h, 04h

Says: LD Sync = Composite with serration pulses, RGB Delay = none, Audio is
Muted, Model = System 4LD

xi

, 4LQ

xi

, Switcher Power = On, Demo Mode = Off,

Freeze = Off and VGA Resolution is not forced.

4. This command is only available in
System 4

xi

units with the following

firmware revision levels, or higher:
System 4LD

xi

– revision 3.0

System 4LQ

xi

– revision 4.0

6. Only available on System 4LD

xi

and System 4LQ

xi