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Push to talk
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■ Countdown timer
To start the countdown timer, select Menu > Organizer > Timer > Normal timer,
enter the alarm time, and write a note text that is displayed when the time
expires. To start the countdown timer, select Start. To change the countdown
time, select Change time. To stop the timer, select Stop timer.
To have an interval timer with up to 10 intervals started, first enter the intervals.
Select Menu > Organizer > Timer > Interval timer. To start the timer, select Start
timer > Start.
■ Stopwatch
You can measure time, take intermediate times, or take lap times using the
stopwatch. During timing, the other functions of the device can be used. To set
the stopwatch timing in the background, press the end key.
Using the stopwatch or allowing it to run in the background when using other
features increases the demand on battery power and reduces the battery life.
Select Menu > Organizer > Stopwatch and from the following options:
Split timing — to take intermediate times. To start the time observation, select
Start. Select Split every time that you want to take an intermediate time. To stop
the time observation, select Stop.
To save the measured time, select Save.
To start the time observation again, select Options > Start. The new time is
added to the previous time. To reset the time without saving it, select Reset.
Lap timing — to take lap times
Continue — to view the timing that you have set in the background
Show last time — to view the most recently measured time if the stopwatch is not
reset
View times or Delete times — to view or delete the saved times
12. Push to talk
Select Menu > Push to talk.
Push to talk (PTT) over cellular is a two-way radio service available over a GPRS
cellular network (network service).
FCC Draft
Model 3555c - 23 April 2007