Obile – Siemens MC55 User Manual
Page 402

MC55 AT Command Set
16.8 AT^SAIC
s
m
obile
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
=3.
Notes
• The
Write command is usable only in audio modes 2 - 6. If
=1, any attempt to use the
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
and then choose the interface using
.
• The factory defaults of
vary with the selected audio mode.
If
=1 or 4 or 5, then
=2,1,1.
If
=2 or 3 or 6, then
=2,2,2.
can be used to reset the factory defaults.
• For use after restart of the ME, you are advised to store the settings of
to the audio
profile set with
. Otherwise, audio mode 1 (
=1) and audio interface 2 (
=2,1,1) will
be active each time the ME is powered up.
(num)(^SNFW)
(num)(^SNFW)