Siemens GSM 900 - Manual (Page 15)

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10
Getting Started
Your phone operates in either
TDMA (Time Division Multiple
Access) or
GSM (Global System for Mobile
Communications) mode. You can
select one of these modes as the
standard or use automatic selection
(p. 80).
Availability of certain features
depends on the mode in which the
phone is currently operating.
Before using your phone:
Insert the SIM card (p. 11)
Your service provider has supplied you with a SIM card that must be installed
for both GSM and TDMA modes.
Insert the battery (p. 12)
Charge the battery (p. 12)
The battery must be fully charged before turning on phone for the first time.
Turn the phone on (p. 13)
Press and hold On/Off/End key (
-
).
Enter PIN (p. 13) (if required in GSM mode)
The SIM card may be protected with a PIN (personal identification number).
If required, you must enter your PIN after turning your phone on. For further
details, please see the security information in the Setup chapter (p. 77).
After turning on your phone (p. 15)
Depending on your phone’s configuration, several settings must be made after
the phone has been turned on for the first time.