ClearOne AP400 - Manual (Page 54)

Appendices ~ Appendix E: Serial Commands 50
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EC
This command changes or reports back the state of the echo
canceller for a microphone.
[DEVICE] EC <CH> <X>
Explanation
<CH>
CH= 1-4 Parameter to apply to the specified
microphone channel
CH= * Parameter to apply command to all
microphone channels
<X>
X=0 Parameter to set the state to OFF
X=1 Parameter to set the state to ON
X=Null Parameter to return the current state
Return Values
The command will return the updated condition (On=1, Off=0)
of the echo canceller in the same format as the command.
ERL
This command reports back the echo return loss (ERL) for a
microphone channel in dB.
[DEVICE] ERL <CH>
Explanation
<CH>
CH= 1-4 Parameter to apply to the specified
microphone channel
Return Values
The command will return the ERL of the microphone channel
in the same format as the command (#10 ERL 1 20).
ERLE
This command reports back the echo return loss enhancement
(ERLE) for a microphone channel in dB.
[DEVICE] ERLE <CH>
Explanation
<CH>
CH= 1-4 Parameter to apply to the specified
microphone channel
Return Values
The command will return the ERLE of the microphone channel
in the same format as the command (#10 ERLE 1 20).
EQ
This command changes or reports back the state of the
equalizer for a microphone.
[DEVICE] EQ <CH> <X>
Explanation
<CH>
CH= 1-4 Parameter to apply to the specified
microphone channel
CH= * Parameter to apply command to all
microphone channels
<X>
X=0 Parameter to set the state to OFF
X=1 Parameter to set the state to ON
X=2 Parameter to toggle the state from one state
to the other (regardless of current state)
X=Null Parameter to return the current state
Return Values
The command will return the updated condition (On=1, Off=0)
of the equalizer in the same format as the command.