MC55_ATC_V04.00 Page 418 of 475 3/17/06
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17.15 AT^SNFS Select audio hardware set
The AT^SNFS write command serves to set the audio mode required for the connected equipment.
AT^SNFS can also be used in conjunction with AT^SAIC. This is useful, for example, if the audio interfaces are
operated alternatively to benefit from different devices. Each audio mode can be assigned a specific interface.
To do so, first select the audio mode with AT^SNFS, then activate the audio interface with AT^SAIC and finally
enter AT^SNFW to store the settings to your audio profile. To switch back and forth it is sufficient to use AT^SNFS.
Syntax
Parameter Description
[1] Audio mode 1: Standard mode optimized for the reference handset, that can
be connected to the analog interface 1 (see "MC55 Hardware Interface
Description" for information on this handset.) To adjust the volume use the
knob of the reference handset. In audio mode 4, this handset can be used with
user defined parameters.
Note: The default parameters are determined for type approval and are not
adjustable with AT commands.
AT^SNFD
restores <audMode>
1. 2 Audio mode 2: Customer specific mode for a basic handsfree (speakerphone)
device (Siemens Car Kit Portable).
Analog interface 2 is assumed as default.
3 Audio mode 3: Customer specific mode for a mono-headset.
Analog interface 2 is assumed as default.
4 Audio mode 4: Customer specific mode for a user handset.
Analog interface 1 is assumed as default.
5 Audio mode 5: Customer specific mode.
Analog interface 1 is assumed as default.
6 Audio mode 6: Customer specific mode.
Analog interface 2 is assumed as default.
Test Command
AT^SNFS=?
Response(s)
^SNFS: (list of supported <audMode>s)
OK
Read Command
AT^SNFS?
Response(s)
^SNFS: <audMode>
OK
Write Command
AT^SNFS=<audMode>
Response(s)
OK
ERROR
CME ERROR: <err>
Reference(s) PIN ASC0 ASC1 MUX1 MUX2 MUX3 Charge  Last
SIEMENS ! % % % % % ! ! !
<audMode>
(num)(^SNFW)
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