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Appendix A • Programmer's Guide
Host-to-RGB 302/304 Instructions
Command/Response Table
Extron RGB 302/304 Universal Interface • User's Manual
The RGB 302/304 will recognize certain ASCII
characters as instructions. It then responds to those
characters with appropriate information.
Unrecognizable codes will result in an error code as
the response.
Examples of RGB 302/304 RS-232 connections are
shown here.
RGB 302
D IO
A U
R
V
L
V
U T
H /H
T P
O UT
O U
B
G
0. 5A
24 0V
R
10 0-
0 Hz
50 /6
RGB 304
D IO
A U
R
V
L
V
U T
H /H
T P
O U
O UT
B
G
0. 5A
24 0V
R
10 0-
0 Hz
50 /6
Definitions and Abbreviations:
= CR/LF
= 1 thru 8 (steps of peaking)
= -127
0
= Controller software version to 2nd decimal place
= xxx.xx (frequency in Hz or kHz)
= Menu language (1 = English, 2 = Spanish,
3 = French, 4 = German)
= Output sync format where 0 = Automatic*, 1 = Sync
on Green, 2 = Composite, 3 = H & V (normal), 4 = H &
V (both +), 5 = H & V (+H, -V), 6 = H & V (-H, +V),
and 7 = H & V (both -)
* If executing the I/i command (Request Information)
and sync output is set to Automatic (0), then 0 = RGB
with sync on Green, 8 = RGB with separate H & V,
and 9 = RGB with Composite sync.
= 0 or 1, 0 = Off, 1 = On
Control
System
-2 32
RS
/E CL
M BC
AL
OG
T
AN
IN PU
W ER
PO
IN
RS-232
Control Cable
Control
System
-2 32
RS
RS-232
Control Cable
(Hex values: 0D 0A)
+127 (enhancement control range)
Page A-2
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