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9 system 7sc • serial communication – Extron Electronics System 7SC User Manual

Page 57

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4-9

System 7SC • Serial Communication

Command/response table for special function SIS commands (continued)

Command

ASCII Command Response

X?

values

(host to switcher)

(switcher to host)

and additional descriptions

Audio settings

Audio mute on/off

w/display power

10 *

X?

#

AudMute*

X?

0 = no

(audio doesn’t mute when

display power is off or unmute
when display power is on)

1 = yes (default)

(audio mutes

when display power is off, audio
unmutes when display power is on)

Example:

10*1#

AudMute*1

Example: set audio to mute
when display powers off.

Limit audio level on power-up

11*

X?

#

VolLimit*

X?

0 = audio off, 1 = 1% of max.
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:

11*28#

VolLimit*028

Example: limit power-up volume
to 28% of maximum volume.

IR-related settings

Send IR/RS-232 commands

12 *

X?

#

IR0m*

X?

0 = no (default)

associated with the currently

1 = yes

selected input (reselect the
current input channel)
upon display power-up

Disable IR commands while

13 *

X?

#

IR1m*

X?

0 = no

the display’s power is off

1 = yes (default)

Repeat the display power-off

14 *

X?

#

IR3m*

X?

0 = no (default)

command (after a slight delay).

1 = yes

(For learned IR power-off
commands only.)

Miscellaneous settings

Autoselect input 7 signal type

9 *

X?

#

Sw7Auto*

X?

0 = no
1 = yes (default)

Automatic shut-off

15 *

X?

#

AutoOff*

X?

0 = disabled

(use manual shutoff)

(issue a display power-off

(default),

command after a specific

1 = 15 minute shutoff delay,

period of inactivity)

2 = 30 minute delay,
... in 15 minute steps up to
32 = 480 minutes (8 hours).

Edge smoothing

16 *

X?

#

Fil*

X?

0 = no
1 = yes (default)