Siemens M20 Terminal Technical Description page 163

Cellular engine
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at+cpwd="SC","xxxx","xxxx"
OK
8.2.6.4
Lock/unlock PIN1
at+clck="SC",2
+CLCK: 1
OK
at+clck="SC",0,"xxxx"
OK
at+clck="SC",2
+CLCK: 0
OK
at+clck="SC",1,"xxxx"
OK
at+clck="SC",2
+CLCK: 1
OK
8.2.6.5
Signal Quality
at+csq
+CSQ: 23,0
OK
8.2.6.6
Set all current parameters to manufacturer default
at&f
OK
8.2.6.7
Store current parameter to user defined profile
at&w
OK
at&w0
OK
8.2.6.8
Set all current parameters to user defined profile
atz
OK
atz0
OK
Version 8 dated 15.03.00
"SC" SIM PIN is changed
"8418" old PIN
"8888" new PIN
Query PIN1 lock/unlock status
Status is "on" (locked)
Unlock PIN1
Query status
Status is "off" (unlocked)
Lock PIN1
Query status
Status is "on" (locked)
Query signal quality
Signal quality
Set to manufacturer default
Store current parameter to default profile
Store current parameter to profile no. 0
Set to user default profile
Set to user default profile no. 0
Application notes
A
163

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