Extron electronics System 4LQ
xi User Manual page 57

Switcher Commands
Freeze On
Freeze Off
Demo On
Demo Off
Information Request
This example says: Video channel selected is #3 (V3), Audio channel is #2 (A2), selected input is RGBLD-still (T8), Projector
is On (P1), all Mutes {Display (SØ), Audio (ZØ) & RGB (RØ)} are Off, both the Projector software and the Switcher software are
version 3.Ø (QPC3.Ø·QSC3.Ø), and the system has four input channels (M4).
Information Request, example #2: I/i
This example says that this is a System 4xi with four inputs and its power is turned Off.
Information ASCII Hex
Request Info I 49/69
The response on the screen will consist of ten sets of characters with a space (·) between each set. Each set is made up of a
letter (or letters) that define a function, followed by a number (or numbers) that define the status of that function. Numbers are
represented by , , etc. Examples follow.
Function Character(s)
V = Video Channel
A = Audio Channel
T = Video Type
= 1 = RGBS
2 = Sync on Green (RGsB)
3 = VID
4 = YC
5 = RGBLD (line-doubled RGB)
6 = VIDLD (line-doubled composite video)
7 = YCLD (line-doubled S-video)
8 = RGBLD -still
9 = RGBLD - motion
10 = YCLD - still
11 = YCLD - motion
12 = VIDLD - still
13 = VIDLD - motion
14 = RGBLQ -still
15 = RGBLQ - motion
16 = YCLQ - still
17 = YCLQ - motion
18 = VIDLQ - still
19 = VIDLQ - motion
P = Display Power
S = Display Mute
Z = Audio Mute
R = RGB Mute
QPC = Query Projector Comm
QSC = Query Switcher
M = System Max Channel
Error Codes Description
¿EØ1¿
Invalid Channel # (may be too high)
¿EØ4¿
Projector Comm error (projector may be off)
¿EØ5¿
Switcher is Off, can't execute command.
¿E1Ø¿
Invalid command
Extron • System 4 xi Switcher Series • User's Manual
ASCII Hex Switcher Response Result Description
¿Frz1·¿
F 46
¿Frz0·¿
f 66
¿Dmo1¿
J 4A
¿Dmo0¿
j 6A
¿V3·A2·T8·P1·SØ·ZØ·RØ·QPC3.Ø·QSC3.Ø·M4¿
I/i 49/69
¿VØ·AØ·TØ·PØ·SØ·ZØ·RØ·QPC3.Ø·QSC3.Ø·M4¿
49/69
Switcher Response
¿V
·A ·T ·P ·S ·Z
Status Character(s)
= Video channel # (Ø = System power is off)
= Audio channel # (Ø = System power is off)
System 4xi:
= Ø = Power is Off; 1 = Power is On.
= Ø = Display Mute is Off; 1 = Display Mute is On.
= Ø = Audio Mute is Off; 1 = Audio Mute is On.
= Ø = RGB Mute is Off; 1 = RGB Mute is On.
. = Projector Communications software version (example: 3.0)
. = Switcher Communications software version (example: 3.0)
= Maximum channel number
Appendix A • RS-232 Programmer's Guide
Freeze video frame
Release Freeze mode
Demo Mode status = On
Demo Mode status = Off
·R ·QPC . ·QSC .
Result (See below)
¿
·M
LDxi __ LQxi
x ____ x
x ____ x
- ____ -
- ____ -
- ____ -
- ____ -
- ____ -
x ____ -
x ____ -
x ____ -
x ____ -
x ____ -
x ____ -
- ____ x
- ____ x
- ____ x
- ____ x
- ____ x
- ____ x
A-6