Request System Configuration - Cmd12 (3Ch - Extron electronics System 4LQ
xi User Manual

Appendix A • RS-232 Programmer's Guide

Request System Configuration - CMD12 (3Ch)

4. This command is only available in
System 4xi units with the following
firmware revision levels, or higher:
System 4LDxi – revision 3.0
System 4LQxi – revision 4.0
6. Only available on System 4LDxi
and System 4LQxi
A-15
4
Request the System 4xi Configuration.
Format:
ESC, CMD12, EOT
Response:
ESC, CMD12, ERC, LD Sync, RGB Delay, Aud Mute, Status 1, LDxi 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
6
84h = Sync positive (horizontal & vertical)
6
85h = 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 #
Function:
Power is Off
Power is On
Sys 4C
Sys 4LD, 4LDex, 4LQex 1·0·0·0·0·1
Sys 4LDxi, 4LQxi
LDxi Misc 6 80h - AAh (See table.)
Bit #s
Function:
Demo mode On
Demo mode Off
Freeze On
Freeze Off
Not VGA resolution
Force VGA resolution
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 4LDxi , 4LQxi , Switcher Power = On, Demo Mode = Off,
Freeze = Off and VGA Resolution is not forced.
7·6·5·4·3·2 1
Sys Power
1·0·0·0·0·0 0
1·0·0·0·0·0 1
1·0·0·0·0·0 x
x
1·0·0·0·0·1 x
76 54 32
– Demo Freeze VGA
10 01 xx
10 10 xx
10 xx 01
10 xx 10
10 xx xx
10 xx xx
Extron • System 4 xi Switcher Series • User's Manual
0
Model
x
x
1
0
0
10
xx
xx
xx
xx
01
10