Extron electronics System 7SC User Manual page 57

System switcher
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Command/response table for special function SIS commands (continued)
Command
Audio settings
Audio mute on/off
w/display power
Example:
Limit audio level on power-up
Example:
IR-related settings
Send IR/RS-232 commands
associated with the currently
selected input (reselect the
current input channel)
upon display power-up
Disable IR commands while
the display's power is off
Repeat the display power-off
command (after a slight delay).
(For learned IR power-off
commands only.)
Miscellaneous settings
Autoselect input 7 signal type
Automatic shut-off
(issue a display power-off
command after a specific
period of inactivity)
Edge smoothing
ASCII Command Response
(host to switcher)
(switcher to host)
10 *
#
AudMute*
X?
10*1#
AudMute*1
11*
#
VolLimit*
X?
11*28#
VolLimit*028
12 *
#
IR0m*
X?
X?
13 *
#
IR1m*
X?
X?
14 *
#
IR3m*
X?
X?
9 *
#
Sw7Auto*
X?
15 *
#
AutoOff*
X?
16 *
#
Fil*
X?
X?
System 7SC • Serial Communication
values
X?
and additional descriptions
0 = no
(audio doesn't mute when
X?
display power is off or unmute
when display power is on)
1 = yes (default)
when display power is off, audio
unmutes when display power is on)
Example: set audio to mute
when display powers off.
0 = audio off, 1 = 1% of max.
X?
level, 2 = 2% of max possible
level, ... up to 100.
50 = default value.
100 = no limit on audio level.
If this feature is enabled, the
maximum initial power-up
volume level will not exceed the
level specified by this command.
Example: limit power-up volume
to 28% of maximum volume.
0 = no (default)
1 = yes
0 = no
1 = yes (default)
0 = no (default)
1 = yes
0 = no
X?
1 = yes (default)
0 = disabled
(use manual shutoff)
X?
(default),
1 = 15 minute shutoff delay,
2 = 30 minute delay,
... in 15 minute steps up to
32 = 480 minutes (8 hours).
0 = no
1 = yes (default)
(audio mutes
4-9

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