Nokia 2760 002B2Q4 사용자 설명서

Select Menu > Settings > Phone > Automatic 
keyguard > On to set the keypad to lock 
automatically after a preset time delay when the 
phone is in the standby mode. 

When the keypad lock is on, calls may be possible to the 
official emergency number programmed into your device. 

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To make a call, enter the phone number including the 
area code if necessary. The country code should be 
included, if necessary. Press the call key to call the 
number. Scroll right to increase or left to decrease 
the volume of the earpiece or headset during the 
phone call.

To answer an incoming call, press the call key. To 
reject the call without answering, press the end key 
or close the fold.