User guide

Chapter 15 – Audio Commands

Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C) 82

Speaker Gain Control +VGR

Description: This command sets the voice gain in the receiver direction (speaker gain) of the current audio

path.

Syntax: Command syntax: AT+VGR=<Rgain>

Command Possible Responses

AT+VGR OK

Note: Sets default value of 22

AT+VGR=2 OK

Note: Command valid

AT+VGR?

Note: Interrogate value

+VGR: 2

Note: Current value

AT+VGR=?

Note: Test command

+VGR : (0-24)

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

21 0dB

22 +4dB default

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.