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Appendix A • RS-232 Programmer’s Guide
Extron • System 4
xi
Switcher Series • User’s Manual A-14
Configure System - CMD11 (3Bh)
4
Configure the System 4xi
Format:
ESC, CMD11, LD Sync, RGB Delay, Aud Mute, reserved, LDxi Misc, reserved,
EOT
Where: ESC, CMD11 = 1Bh, 3Bh
LD Sync 80h = no change
81h = Composite Sync with no serrations
82h = Sync negative (horizontal & vertical)
83h = Composite Sync with serrations
84h =
6
Sync positive (horizontal & vertical)
85h =
6
Sync positive horizontal, negative vertical
86h =
6
Sync negative horizontal, positive vertical
RGB Delay FFh = no change
80h - 8Ah = RGB Delay in 0.5 second steps
(values range from 0 to 5 seconds)
Audio Mute 80h = Turn Audio Mute Off
81h = Turn Audio Mute On
FFh = No change
LDxi Misc
6
80h - AAh (see table)
Bit #s 76 54 32 10
Function: – Demo Freeze VGA
No changes 10 00 00 00 80h
Demo, no change 10 00 xx xx 8xh
Demo mode On 10 01 xx xx 9xh
Demo mode Off 10 10 xx xx Axh
Freeze no change 10 xx 00 xx
Freeze On 10 xx 01 xx
Freeze Off 10 xx 10 xx
VGA no change 10 xx xx 00
Not VGA resolution 10 xx xx 01
Force VGA resolution 10 xx xx 10
reserved 80h = reserved
EOT 04h = End Of transmission
Example:
Configure a System 4xi for the following:
Sync = No change, RGB Delay = No change, Audio Mute = On, Demo Mode =
No change, Freeze = No change and Force VGA Resolution = No change.
That is: 1Bh, 3Bh, 80h, FFh, 81h, 80h, 80h, 80h, 04h
Normal response:
ESC, CMD11, ERC, EOT
1Bh, 3Bh, 80h, 04h
Notes:
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 4LQxi