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Audio
3-240
 AT Commands Reference Manual
December  31, 2007
+MAVOL, Volume Setting 
This command enables you to determine a volume level for a particular feature via a particular 
accessory. The gain levels are saved in flex. Therefore, upon power up, the path active (mic, 
speaker and alert speaker) will have these saved gain levels.
Note:
The SMS MT volume is adjusted using the +MAVOL command with type "ring". The 
RING value is related to the SMS alert, the MT call, and so on.
Figure 3-8: G24 Audio Gain
Han d set Micro p h o n e
Head set Micro p h o n e
• Input voice
Input
+MAMUT
Features:
• Voice
• Key feedback
• Alert
• Ring
Head set Sp eaker
Han d set Sp eaker
Alert T ran sd u cer
O utput
+
  MAVOL
1
6
4
6
Alert
T ran sd u cer
1
3
3
6
Dig ital T X
2
4
5
3
Han d set
Sp eaker
7
4
2
1
Headset
Speaker
Ring
Alert
Key
feedback
Voice
1
6
4
6
Alert
T ran sd u cer
1
3
3
6
Dig ital T X
2
4
5
3
Han d set
Sp eaker
7
4
2
1
Headset
Speaker
Ring
Alert
Key
feedback
Voice
Example of current G 24 volume levels M atrix
1
Hea dset
M ic
0
0
Mute
state
D ig ita l
Ha ndset
M ic
1
Hea dset
M ic
0
0
D ig ita l
R X
Ha ndset
M ic
Exam ple :
 
  24 M ute state
Dig ital RX
Dig ital T X
Command 
Type
Syntax
Response/Action
Remarks
Set
+MAVOL=<accy>,
<feature>,<vol>
OK
or:
+CME ERROR: <err>
The Set command sets the 
volume level <n> to a certain 
<feature> through a certain 
<accy>.
Read
+MAVOL?
 (Current path volume)
+MAVOL: <accy>,<feature1>,vol>
+MAVOL: <accy>,<feature2>,vol>
+MAVOL: <accy>,<feature4>,vol>
+MAVOL: <accy>,<feature8>,vol>
OK
The Read command returns 
the volume level of all the 
features in the current active 
accessories.
Test
+MAVOL=?
+MAVOL:(supported 
accessories),(supported features 
combinations),(supported volume 
levels)
Test command returns the 
supported range of volume 
levels, accessories and 
features.