ZTE Corporation ZTEA15 Manual De Usuario

49 

Note: The Normal Alarm service is available only when the phone is switched on. When 

the phone is switched off, the Normal Alarm service doesn’t work. The function of Power 

on means to set the phone to switch itself on at the desired time, and the function of 

Power off means to set the phone to switch itself off at the desired time. 

4.6.2 

Calculator 

„

 Press 

0~9 Number Keys to enter numbers, press # Key to enter decimal point. 

„

 Press 

Left Soft Key to switch among +, –, ×,  ÷. 

„

 Press 

Clear to clear the last digit or results. Press End Key to exit the calculator. 

Press Equal to get results. 

Note: This calculator has limited accuracy and rounding errors may occur, especially in 

long division. 

4.6.3 

Stopwatch 

Select Stopwatch to access the timing interface, press Start to start to measure, and 

then press Stop to stop the timing and view the measured duration of time. Press Reset 

to resume the stopwatch.