MC55 AT Command Set
16.12 AT^SNFM s
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MC55_ATC_V01.05 Page 408 of 469 2/10/04
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16.12 AT^SNFM Set microphone audio path and power supply
Syntax
Command Description
The test command returns the supported values of the parameters <MicSwitch> and <MicVccCtl>.
The read command returns the microphone mute and supply voltage status .
Value of <MicSwitch> is valid during a voice call only.
The write command can be used to switch the microphone's audio path (muted / not muted) or to control th e
power supply of the MICP2 line (microphone input of the second analog audio interface).
Test Command
AT^SNFM=?
Response(s)
^SNFM: (list of supported <MicSwitch>s) , (list of supported <MicVccCtl>s)
OK
Read Command
AT^SNFM?
Response(s)
^SNFM: <MicSwitch>, <MicVccState>
OK
Write Command
AT^SNFM=[<MicSwitch>] [, <MicVccCtl>]
Response(s)
OK
PIN ASC0 ASC1 MUX1 MUX2 MUX3
! % % % % %
Reference(s)
SIEMENS