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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 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
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 # 7·6·5·4·3·21 0
Function: Sys Power Model
Power is Off 1·0·0·0·0·00 x
Power is On 1·0·0·0·0·01 x
Sys 4C 1·0·0·0·0·0x 1
Sys 4LD, 4LDex, 4LQex 1·0·0·0·0·1x 0
Sys 4LDxi, 4LQxi 1·0·0·0·0·1x 0
LDxi 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 4LDxi , 4LQxi , Switcher Power = On, Demo Mode = Off,
Freeze = Off and VGA Resolution is not forced.
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