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Remotelymanagingyour systemthroughan RS-232serialinterface
79 smarttech.com/kb/170401
Field definitions
Field Possible values Description
target volume l + val
l – val
l = -20 to 20
Specifying + or –will cause volume to be
incremented or decremented from it’s current
value. Specifying a numerical value within the
possible range causes volume to be set directly
to that value. When the volume is modified from
the RS232, the OSD volume slider should also
appear on the screen identical to the slider that
appears when using the other control. Note that -
20 should map to 0 and 20 should map to 40.
current volume l -20 to 20 The device’s current volume. Note that -20
should map to 0 and 20 should map to 40.
target mute l = on
l = off
Specifies if mute is enabled or disabled.
current mute l = on
l = off
Current state of the mute
current volumecontrol l = on
l = off
Current state of the volume control
target volumecontrol l = on
l = off
Specifies if volume control is enabled or
disabled.
target cc l = cc1
l = cc2
l = off
Closed captioning states
current cc l = cc1
l = cc2
l = off
Closed captioning states
target sysoutputsw l = line+spkr
l = line
l = spkr
l = none
Specifies if the system output switch is line out
only, speaker only, both, or none.
current sysoutputsw l = line+spkr
l = line
l = spkr
l = none
Current state of system output switch.
The above commands can be used to set the property to an absolute value or cause a relative
adjustment to be made to the current value. Examples of using this are below: