MC55 AT Command Set
16.8 AT^SAIC
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MC55_ATC_V01.05 Page 402 of 469 2/10/04
Confidential / Released
Microphone selection
1 Microphone 1
2 Microphone 2
Select differential earpiece amplifier
1 Selects the earpiece amplifier 1
2 Selects the earpiece amplifier 2
3 Selects both amplifiers. Note that both amplifiers are connected in parallel and
therefore, get the same output power if
<ep>=3.
Notes
• The AT^SAIC Write command is usable only in audio modes 2 - 6. If AT^SNFS=1, any attempt to use the
AT^SAIC Write command returns "+CME ERROR: operation not allowed". This is because all default param-
eters in audio mode 1 are determined for type approval and are not adjustable.
• To allocate a specific audio mode to one of the audio interfaces, first select the audio mode with
AT^SNFS
and then choose the interface using AT^SAIC.
• The factory defaults of
AT^SAIC vary with the selected audio mode.
If
AT^SNFS=1 or 4 or 5, then AT^SAIC=2,1,1.
If
AT^SNFS=2 or 3 or 6, then AT^SAIC=2,2,2.
AT^SNFD can be used to reset the factory defaults.
• For use after restart of the ME, you are advised to store the settings of
AT^SAIC and AT^SNFS to the audio
profile set with
AT^SNFW. Otherwise, audio mode 1 (AT^SNFS=1) and audio interface 2 (AT^SAIC=2,1,1) will
be active each time the ME is powered up.
<mic>
(num)(^SNFW)
<ep>
(num)(^SNFW)
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