Rainbow Electronics MG260 - Manual (Page 33)

FLYFOT-MG260-MODULE
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Defined values:
number of rings before automatic answer (3 characters padded with zeros).
Range of values is 0 to 255.
5.9 Gain control +VGR, +VGT
Description:
This command is used by the application to tune the receive gain of the speaker and the
transmit gain of the microphone.
Syntax:
Command syntax: AT+VGR=
AT+VGT=
Command Possible responses
AT+VGR=5
OK
Note: Command valid
AT+VGT=45
OK
Note: Command valid
AT+VGR?
Note: Interrogate value
+VGR: 5
OK
Note: Default receive gain
AT+VGR=?
Note: Test command
+VGR: (1-10)
OK
Note: Possible values
AT+VGT?
Note: Interrogate value
+VGT: 20 (When AT+SPEAKER=0)
+VGT: 96 (When AT+SPEAKER=1)
+VGT: 32 (When AT+SPEAKER=2)
OK
Note: Default transmit gain
AT+VGT=?
Note: Test command
+VGT: (0-255)
OK
Note: Possible values
Defined values :
: receiver gain
: transmission gain
Note: VGT command is not supported.