Casio W41CA Manual Manual page 117

Press 3 (Num of
Incoming), input the lock
number, input the number of
calls you want to specify,
and then press c (OK).
You can set how many times you should
repeat making a call to activate Remote Auto Lock.
You can set it from 3 to 10 calls.
Press 4 (Caller ID List),
and then input the lock
number.
Use j to select a
registration number,
press % (Edit), input the
phone number, and then
press c (Reg).
You can also press & (Menu) before
inputting a phone number, and select the number from the address book,
outgoing records, or incoming records, or you can specify a pay phone.
You can register up to three different phone numbers.
Setting Auto Lock and FeliCa Lock on
Make a call to your W41CA from the registered phone
number within the period of time which has been specified in
"Configuring Remote Auto Lock Settings" (page 114).
After repeating a call (3 to 10 calls you have specified), Remote Auto Lock
turns active, and you hear an announcement letting you know Auto Lock and
FeliCa Lock has been set.
After Remote Auto Lock turns active, your W41CA is automatically turned off,
and turned on again.
Remote Auto Lock cannot be activated while your W41CA is turned off or
outside of the service area.
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