4.Press Save (left softkey) to save the countdown settings.
5.Press Settings (right softkey) to set the Ringer Length,
Snooze Interval, or Snooze Times.
6.Press Done (left softkey) to save.
Tip: Press the left softkey (On or Off) to toggle the countdown alarm on and off.
This feature is not available while your phone is turned off.
Using the World Clock
1.Select 
> Tools > World Clock.
2.Press the navigation key right or left for changing city or country.
Tip: Press Summer (left softkey) or Standard (right softkey) for changing
between summer and standard time, if applicable. The 
icon is shown while summer time is displayed.
Using the Calculator
1.Select 
> Tools > Calculator.
2.Enter numbers using your keypad. Press the left softkey to insert a decimal point.
3.Press the appropriate navigation key for an arithmetic option. (Up for addition, Down for subtraction, Left for multiplication, Right for division.)
4.Enter numbers and press 
for the result.
To clear the numbers, press CLR (right softkey).
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