23
A
．
Restricted outgoing calls: all of the outgoing call is forbidden
(except emergency call)
B
．
Restricted Incoming calls: all of the incoming call is forbidden
Network select: you can set the mode of network searching of
cell phone by this function: choose automatic search or manual
search.
PIN
You can set code for phone with this function. It will protect your
phone from unauthorized using and private information leakage,
once your phone has been stolen or the other situation.
If PIN code is set, you need to input correct PIN code each
time when you power on phone.
If this function is off, PIN code is not necessary when power
on.
If you want to change PIN code, you should input the old one
first, input the new one and then confirm the new code once
again, thus the PIN code can be changed successfully.
Remark: The default PIN code is: 1234
Calculator
There is calculating function in the phone. You can carry out the
operation for plus, minus, multiply, and divide. Step for using as
below:
1. Input the first numeral: when “0” shown at the screen, you can
input the numeral you want to calculate.
2. Input operation symbol: press navigation key up/down to
choose the operation symbol like +, -, *, /, and then press call
key to confirm.
3. Input the second numeral.
4. Calculate: press navigation key up/down to choose “=”, and
then press call key to confirm.
5. Clear: press
（
ending key
）
. If you are inputting the
calculated numeral or operation symbol, only the numeral or
operation symbol will be cleared. If“0”shown in the display,
please press ending key for exiting. You can clear all of the
content by pressing ending key after you have the calculating
result.
Remark: the accuracy is limited and round-off error may occurred
