Appendix A • RS-232 Programmer’s Guide
Extron • System 4
xi
Switcher Series • User’s Manual
Simple Instruction List
The table below lists the Simple Instruction Set commands, as well as response
and data characters recognized by the System 4
xi
. Examples of their use are
given later. The “Cmd/Rsp” column indicates how the character is used:
Cmd - indicates a host command (or part of a command) to the switcher.
Rsp - indicates a switcher response to the host.
Character Cmd/Rsp
Dec
Hex
Function
lf
Rsp
1Ø
ØA
Line feed
cr
Rsp
13
ØD
Carriage return
ESC
Cmd
27
1B
Initiates an Advanced Instruction Set command (Page A-6)
!
Cmd
33
21
Delimiter to specify video and audio selection
$
Cmd
36
24
Delimiter to specify audio selection only
&
Cmd
38
26
Delimiter to specify video selection only
(
Cmd
4Ø
28
Turn the Display mute On
)
Cmd
41
29
Turn the Display mute Off
+
Cmd
43
2B
Turn the Switcher Audio mute On
-
Cmd
45
2D
Turn the Switcher Audio mute Off
Ø
Cmd/Rsp
48
3Ø
Numeric value of Ø
1
Cmd/Rsp
49
31
Numeric value of 1
2
Cmd/Rsp
5Ø
32
Numeric value of 2
3
Cmd/Rsp
51
33
Numeric value of 3
4
Cmd/Rsp
52
34
Numeric value of 4
5
Cmd/Rsp
53
35
Numeric value of 5
6
Cmd/Rsp
54
36
Numeric value of 6
7
Cmd/Rsp
55
37
Numeric value of 7
8
Cmd/Rsp
56
38
Numeric value of 8
9
Cmd/Rsp
57
39
Numeric value of 9
:
Cmd
58
3A
Turn Executive Mode On (discrete)
;
Cmd
59
3B
Turn Executive Mode Off (discrete)
<
Cmd
6Ø
3C
Turn Switcher Main power On (discrete)
>
Cmd
62
3E
Turn Switcher Main power Off (discrete)
@
Cmd
64
4Ø
Delimiter to specify audio & video for the Switcher only
A
Rsp
65
41
An audio channel character follows
B
Cmd
66
42
Turn RGB mute On for the Switcher only
b
Cmd
98
62
Turn RGB mute Off for the Switcher only
C/c
Cmd
67/97
43/63
Request projector configuration
C
Rsp
67
43
A Channel character follows (audio & video)
E
Rsp
69
45
An Error code character follows
F/f
Cmd
70/102
46/66
Freeze Mode (On/Off)
I/i
Cmd
73/105
49/69
Request for Information
J/j
Cmd
74/106
4A/6A
Demo On/Demo Off
M
Rsp
77
4D
Maximum number of inputs
N/n
Cmd
78/110
4E/6E
Request part number
O/o
Cmd
79/111
4F/6F
Toggle the Display power (On/Off)
P
Rsp
8Ø
5Ø
A character for power status of the Display device follows
Q/q
Cmd
81/113
51/71
Query Software Version - show PC & SC version numbers
R/r
Cmd
82/114
52/72
Toggle the RGB mute for the Switcher only
S/s
Cmd
83/115
53/73
Toggle the Display mute (On/Off)
S
Rsp
83
53
A character for mute status of the Display device follows
T
Rsp
84
54
A character for video signal Type follows
V
Rsp
86
56
A character for the Video channel follows
X
Cmd
88
58
Executive Mode On
x
Cmd
120
78
Executive Mode Off
Z
Cmd
9Ø
5A
Audio mute On
z
Cmd
122
7A
Audio mute Off
[
Cmd
91
5B
Turn the Display power On
]
Cmd
93
5D
Turn the Display power Off
A-4
