Rainbow Electronics MG260 - Manual (Page 36)

FLYFOT-MG260-MODULE
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AT+SIDET? +SIDET: 0,0
AT+ECHO?
Note : Read current settings +ECHO: 0,2,0
OK
AT+ECHO=96,2,95
Note : Active Echo cancellation for Mic/Spk one. OK
AT+ECHO?
Note : Read current settings +ECHO: 96,2,95
OK
Defined values:
<GammaSp>
Remote echo cancellation
The allowed range is [ 1; 96].
16 by default
<GammaNSp>
Near echo cancellation
The allowed range is [ 1; 96].
96 by default
<AlfaRev>
Echo cancellation related to room
The allowed range is [ 1; 64].
64 by default