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Extron RGB 302/304 Universal Interface • User’s Manual Page A-2
Appendix A • Programmer’s Guide
Host-to-RGB 302/304 Instructions
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.
Command/Response Table
Definitions and Abbreviations:
↵↵
↵↵
↵
= CR/LF (Hex values: 0D 0A)
= 1 thru 8 (steps of peaking)
= -127 ↔ 0 ↔ +127 (enhancement control range)
= 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
OUTPUT
R
50/60 H
z
100-240V
0.5A
G B H/HV V
LR
O
U
T
IN
M
B
C
P
O
W
E
R
R
S
-232
A
N
A
L
O
G
/E
C
L
IN
P
U
T
AUDIO
LCD SYNC
SER REM
75 OHM
RGB 302
RS-232
Control Cable
Control
System
Control
System
OUTPUT
R
50/60 H
z
100-240V
0.5A
G B H/HV V
L
R
O
U
T
R
S
-232
AUDIO
LCD SYNC
SER REM
75 OHM
RGB 304
RS-232
Control Cable
H
i C
a
ro
l
Hi Carol
H
i C
a
ro
l
Hi Carol