User guide

VoiceLift System with PVS 405D • SIS Configuration and Control 28
Command and Response Table for SIS Commands
Command
ASCII Command
(Host to Receiver)
Response
(Receiver to Host)
Additional Description
Gain and Attenuation Adjustment
NOTES:
• For the pendant microphone, channel A selections also apply to channel C (student microphone); channel B
selections apply to channel D (student microphone).
• These commands are case-sensitive.
Set audio gain
X22*
*
X$
G Chn
X22*
*Aud=+
X$ ]
Increase the audio level for mic
channel
X22*
to
X$
dB.
For
X22*
:
0 = no carrier
1 = channel A or C
2 = channel B or D
3 = channels A and B or C
and D
X$
= 0 to 6 dB
Example:
2 * 5G
Chn2*Aud=+5
]
Set the gain (volume level) for
channel B or 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 through 6 dB
Increment audio gain
X22*
+G Chn
X22*
*Aud=
X& ]
Increase audio volume level
(
X&
) for channel
X22*
in
increments of +1 dB. For
X22*
:
1 = channel A or C
2 = channel B or D
(0 and 3 are not available for
this command.)
X&
= -6 through +6
Example:
2 * +G
Chn2 * Aud = 4
]
Raise the volume level for
channel B or D by 1 dB (to
4 dB).
Decrement audio gain
X22*
* -G Chn
X22*
*Aud=
X& ]
Decrease audio volume level
X&
for channel
X22*
in steps of
-1 dB. For
X22*
:
1 = channel A or C
2 = channel B or D
(0 and 3 are not available. for
this command)
View audio volume level
X22*
* G Chn
X22*
*Aud=
X& ]
Show audio volume level
X&
for channel
X22*
.
1 = channel A or C
2 = channel B or D
(0 and 3 are not available. for
this command)
Status Checks
View microphone status
S Chn
X22* ]
Show current channel
X22*
.
View relay state
O
Rly
X^ ]
Show status
X^
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