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TC63 AT Command Set  
18.12 AT^SNFM
s
TC63_ATC_V00.490
Page 424 of 501
5/24/05
Confidential / Draft - Do not copy
 
Microphone supply voltage control status. 
0
Supply voltage was set to a constant value. 
2
Supply voltage state is controlled by the ME and depends on parameter data
set of the selected audio mode. 
Notes
• The programmable power supply of the VMIC line gives you greater flexibility in connecting audio accessories
or using the two analog audio interfaces for a variety of functions other than audio. A detailed description of
the extended usage of the analog audio interfaces can be found in 
• During an active call, users should be aware that when they switch back and forth between different audio
modes (for example handsfree on/off) the value of 
 does not change, i.e. the microphone mode
is retained until explicitly changed. 
<MicVccState>
(num)