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Appendices ~ Appendix F: Serial Commands
GAIN
This command changes or reports back the input gain for a
channel. The command supports all inputs, outputs, and subbuses.
[DEVICE] GAIN <CH> <W> <X> [<Y>]
Explanation
<CH>
CH= 1-8 Parameter to apply to select the microphone
channel
CH= A-D Parameter to apply to select the line channel
CH= 1-2 Parameter to apply to select the subbus
channel
CH= * Parameter to apply command to all microphone
channels
<W>
W=S Parameter to set subbus
W=I Parameter to set input
W= O Parameter to set output
<X>
X=-20–20 Parameter to set the level
X=Null Parameter to return the current level
<Y>
Y=R Parameter to indicate relative
Y=A Parameter to set the level absolute
Y= Null Parameter will default to R (relative)
Return Values
The command will return the updated level of the channel in the
same format as the command. The level returned is always
absolute.
Examples
The following command lowers the gain 3dB on microphone input
channel 2. This command applies only to the box the serial The
following is returned out the serial port indicating cable connects
to since the device is not specified: an updated gain value:
GAIN 2 I -3 GAIN 2 I -12
GATE
This command reports back the microphone gating status of
an AP800. This command is read only.
[DEVICE] GATE
Return Values
The command will return the current status of microphone
gating for a given unit with a hex value.
Example
The following command requests the gate status from device
14: #14 GATE (When this command was issued, mics 1, 4,
and 7 were gated on.)
The following is returned out the serial port, indicating an
updated gate value: #14 GATE 49
Microphone Gating Key
Mic # 8 7 6 5 4 3 2 1 Hex value
0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 1 1
0 0 0 0 0 0 1 0 2
0 0 0 0 0 0 1 1 3
0 0 0 0 0 10 0 4
0 0 0 0 0 1 0 1 5
through
1 1 1 1 1 1 1 1 FF