Microphone Gain +Vgt; Volume Gain Control +Vgr - Multitech CDMA Wireless Modem Reference Manual

Microphone Gain +VGT

Description: This command sets the microphone gain of the current audio path.
Values: <MicGain> value to Microphone relative gain:
AT+VGT Value
0
1
2
3
Syntax: Command syntax: AT+VGT=<MicGain>
Command
AT+VGT=2
AT+VGT?
Note: Interrogate value
AT+VGT=?
Note: Test command

Volume Gain Control +VGR

Description: This command is used by the application to tune the receive gain of the speaker. If the
modem is in the Idle state, it will generate an audible tone at the selected volume.
Values: <RGain> value to Speaker relative gain:
AT+VGR Value
0
1
2
3
4
Syntax: Command syntax: AT+VGR=<Rgain>
Command
AT+VGR=2
AT+VGR?
Note: Interrogate value
AT+VGR=?
Note: Test command
Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C
Microphone Relative Gain Step (dB)
-2
+6
+8
+16
Possible Responses
OK
Note: Command valid
+VGT: 2
OK
Note: Current value
+VGT : (0-3)
OK
Note: Possible values
Speaker Relative Gain Step (dB)
Mute
-23
-17
-11
-5
Possible Responses
OK
Note: Command valid
+VGR: 2
OK
Note: Current value
+VGR : (0-4)
OK
Note: Possible values; default: 3
Chapter 5 – Call Control Commands
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