A P P E N D I X B
Remotely managing your system through an RS-232 serial interface
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Audio controls
These commands control the audio of the projector.
Usable command by
power state
Property
Valid values
Notes
Standby
/ idle
On
set or get
volumecontrol
• on
• off (default)
When off, prevents a user
from changing the projector
amplifier volume via the
remote control or any
attached control panel.
set or get
volume
Numeric value. Range:
-20~20 (default = 0)
This may be displayed to the
user as a range of 0~40 in the
projector’s on-screen display.
set or get
mute
• on
• off (default)
set or get
sysoutputsw
• line
• spkr
• line+spkr (default)
Chooses where to route the
audio output signal to the
internal speaker, to the
external audio system (via the
line out connector) or both.
