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Extron electronics VoiceLift Operations Instructions Page 36

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SIS
™
Conguration and Control, cont’d
VoiceLift
™
Microphone • SIS Conguration and Control
3-4
PRELIMINARY
Coand/response Table for SIS Coands
Command
ASCII
Command
(host to
receiver)
Response
(receiver to host)
Additional description
Gain and attenuation adjustment
N
Channel A selections also apply to channel C (student microphone); channel B selections apply to channel D (student
microphone).
N
These commands are case-sensitive.
Set audio gain
X22*
*
X$
G Chn
X22*
* Aud =
X$
]
Increase the audio level for
channel
X22*
to
X$
dB.
For
X22*
:
0 = no carrier
1 = channels A (C)
2 = channel B (D)
3 = channels A and B (C and D)
X$
= 0 to +6 dB
Example:
2*5G Chn2*Aud=5 Set the gain (volume level) for
channel B (and D) to +5 dB.
Set audio attenuation
X22*
*
X$
g Chn
X22*
* Aud =
X$
]
Decrease the audio level for
channel
X22*
to
X$
dB.
X$
= 0 to -6 dB
Increment audio gain
X22*
+G Chn
X22*
* Aud =
X$
]
Increase audio volume level
(gain) for channel
X22*
in
increments of +1 dB.
Example:
3*+G Chn3*Aud=4* Raise the volume level for
channels A and B (and C and D)
by 1 dB (to 4 dB).
Decrement audio gain
X22*
* -G Chn
X22*
* Aud =
X$
]
Decrease audio volume level for
channel
X22*
in steps of -1 dB.
View audio gain level
X22*
* G Chn
X22*
* Aud =
X$
]
Status commands
View microphone status
S Chn
X22*
]
Show current channel.
View relay state O
Rly
X%
]
Show status of the Rly port.
For
X%
:
0 = open
1 = closed
View contact closure input state ]
Sio
X4#
]
Show status of the Ctc (contact
input) port. For
X4#
:
0 = open
1 = closed
Information requests
Request part number N
60-938-01
]
Show part number of the
VLR 102 receiver.
Query firmware version Q or 1Q
X1!
]
Show the VLR 102’s rmware
version (
X1!
) to two decimal
places. This query shows the
number of the currently running
version of the user-updatable
firmware.
Example:
Q 1.01
Query factory firmware version 3Q
X1!
]
Show the original firmware
version that was installed at the
factory. Factory firmware is not
user-replaceable.
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