Extron Electronics System 4xi Series User Manual

Page 57

Appendix A • RS-232 Programmer’s Guide

Extron • System 4

Switcher Series • User’s Manual

Switcher Commands

ASCII

Hex

Switcher Response Result Description

Freeze On

Frz1·

Freeze video frame

Freeze Off

Frz0·

Release Freeze mode

Demo On

Dmo1

Demo Mode status = On

Demo Off

Dmo0

Demo Mode status = Off

Information Request

I/i

49/69

V3·A2·T8·P1·SØ·ZØ·RØ·QPC3.Ø·QSC3.Ø·M4

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

49/69

VØ·AØ·TØ·PØ·SØ·ZØ·RØ·QPC3.Ø·QSC3.Ø·M4

This example says that this is a System 4

with four inputs and its power is turned Off.

Information ASCII Hex Switcher Response

Result (See below)

Request Info I 49/69

·A

·T

·P

·S

·Z

·R

·QPC

·QSC

·M

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)

Status Character(s)

V = Video Channel

= Video channel # (Ø = System power is off)

A = Audio Channel

= Audio channel # (Ø = System power is off)

T = Video Type System 4

: LD

__ LQ

= 1 = RGBS

x ____ x

2 = Sync on Green (RGsB)

x ____ x

3 = VID

- ____ -

4 = YC

- ____ -

5 = RGBLD (line-doubled RGB)

- ____ -

6 = VIDLD (line-doubled composite video)

- ____ -

7 = YCLD (line-doubled S-video)

- ____ -

8 = RGBLD -still

x ____ -

9 = RGBLD - motion

x ____ -

10 = YCLD - still

x ____ -

11 = YCLD - motion

x ____ -

12 = VIDLD - still

x ____ -

13 = VIDLD - motion

x ____ -

14 = RGBLQ -still

- ____ x

15 = RGBLQ - motion

- ____ x

16 = YCLQ - still

- ____ x

17 = YCLQ - motion

- ____ x

18 = VIDLQ - still

- ____ x

19 = VIDLQ - motion

- ____ x

P = Display Power

= Ø = Power is Off; 1 = Power is On.

S = Display Mute

= Ø = Display Mute is Off; 1 = Display Mute is On.

Z = Audio Mute

= Ø = Audio Mute is Off; 1 = Audio Mute is On.

R = RGB Mute

= Ø = RGB Mute is Off; 1 = RGB Mute is On.

QPC = Query Projector Comm

= Projector Communications software version (example: 3.0)

QSC = Query Switcher

= Switcher Communications software version (example: 3.0)

M = System Max Channel

= Maximum channel number

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

A-6