Chapter 15 – Audio Commands
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C) 81
Microphone Gain +VGT
Description: This command sets the voice gain in the transmit direction (microphone gain) of the current audio
path.
Syntax: Command syntax: AT+VGT=<MicGain>
Command Possible Responses
AT+VGT OK
Note: Sets default value of 20
AT+VGT=2 OK
Note: Command valid
AT+VGT?
Note: Interrogate value
+VGT: 2
OK
Note: Current value
AT+VGT=?
Note: Test command
+VGT : (0-24)
OK
Note: Possible values
Values: <Gain>
0 -84db
1 -80dB
2 -76dB
3 -72dB
4 -68dB
5 -64dB
6 -60dB
7 -56dB
8 -52dB
9 -48dB
10 -44dB
11 -40dB
12 -36dB
13 -32dB
14 -28dB
15 -24dB
16 -20dB
17 -16dB
18 -12dB
19 -8dB
20 -4dB (default)
21 0dB
22 +4dB
23 +8dB
24 +12dB
If no argument is supplied to the command, the default value is assumed. The configuration is saved
immediately. See the Audio Overview section for more information.
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