Siemens M20 Terminal User Manual

AT command interface
Version 8 dated 15.03.00 122
Siemens Information and Communication Products
A
AT^SMSO Switch off mobile station turn off
Test command
AT^SMSO=?
Response
OK
Execute command
AT^SMSO
Response
Device switches off immediately (max. deactivation time 1.5 s–6 s)
OK
Note1
: the IGNITION signal is checked every 100 ms. If the signal goes LOW, another two checks
are performed at 100 ms intervals to ascertain whether the signal remains LOW. If it does, the shut-
down sequence is initiated (for details, see “AT^SMSO”). If the two additional checks show that
the signal is no longer LOW, the checks sequence restarts.
Note2:
if signal of connector 1 is set to low = device is switched off.
Parameter
Reference Note
AT^SNFA Set or query of microphone attenuation
Test command
AT^SNFA=?
Response
^SNFA: (list of supported <atten>s) OK
Parameter
see set command
Read command
AT^SNFA?
Response
TA returns the attenuation value.
Note
: if microphone is muted, TA returns value 0.
^SNFA: <atten> OK
Parameter
see set command
Set command
AT^SNFA=
<atten>
Response
TA controls the large-scale attenuation on the microphone path.
Note
: if microphone is muted, set is disabled.
OK
Parameter
<atten> attenuation/dB = 20*log (<atten> /16384
0 (0x0) – 65535 (0xFFFF)
Reference
GSM Engine A1
Note
Value 0 can be set only by AT^SNFM=0

Siemens M20 Terminal Specifications

General

Brand	Siemens
Model	M20 Terminal
Category	Engine
Language	English