Extron electronics MLS 304MA User Manual page 39

Command/response table for SIS commands (continued)
Command
Increment the volume.
Decrement the volume.
View the volume level.
Audio status for the active input
These commands allow you to view (or program a control system to monitor) the on/off status of the Clip, Normal, and
Signal indicators (the equivalent of viewing the front panel Volume LEDs) between adjustments to the audio input levels.
For details on making these adjustments via the front panel controls, see pages 3-2 and 3-3.
View Signal, Normal, & Clip status
View Signal (Min) status
View Normal (Mid) status
View Clip (Max) status
Aux/Mix input
Turn Aux/Mix input on or off.
View the Aux/Mix status.
N The default Aux/Mix setting is On.
Front panel security lockout modes (executive modes)
Disable executive mode.
Enable executive mode 1.
Enable executive mode 2.
ASCII Command Response
(host to switcher) (switcher to host)
+V Vol X1) ]
-V Vol X1) ]
V Vol X1) ]
S or 0S Sig X& Norm X& Clp X& ]
1S
X& ]
2S
X& ]
3S X& ]
X& M Mix X& ]
M Mix X& ]
0X Exe0 ]
1X Exe1 ]
2X Exe2 ]
MLS 304 Series, MLS 406Series • Serial Communication
Additional description
Increase audio output.
Decrease audio output.
Show the output volume.
Signal detection threshold:
0 = off
(Signal level is too low to
detect.)
1 = on
(A signal of at least
-20 dBV [-18 dBu] is present.)
Normal range:
0 = off
(Input level is too low.)
1 = on
(Input is in the right
range.)
Clipping level:
0 = off
(Audio input has been set
up properly.)
1 = on
(The level or gain is too high,
audio clips/distorts. Output
equipment could be damaged.
Adjust the MLS's input level so
only the Normal LED is blinking.
The Clip LED should not turn on.)
Turn the Aux/Mix input on/off.
Show whether Aux/Mix input
is turned on or off.
Adjustments and selections can
be made from the front panel.
Lock front panel input selection
buttons; select inputs via RS-232
or IR remote control only. Only
volume adjustment is available
via the front panel.
This command is equivalent
to pressing and holding front
panel buttons 1 and 4.
Lock all front panel selections
and adjustments; select inputs,
change volume, etc., via RS-232
only. The whole front panel is
locked.
Executive mode 2 can be
enabled via RS-232 command,
2X only. RS-232 or the front
panel can be used to disable this
mode.
4-5