42 Astro 320 and DC40 Owner’s Manual
Device Tools
If you are not currently using the
device, you can set the device to turn
on at a specic time.
1. From the main menu, select Tools >
Alarm Clock.
2. Select the time eld to enter the
time.
3. Select Turn Alarm On.
4. Select an option.
The alarm sounds at the selected time.
If the device is off at the alarm time,
the device turns on and sounds the
alarm.
1. From the main menu, select Tools >
Stopwatch.
2. If necessary, press MENU to set
how the stopwatch records laps.
3. Select an option:
• Select Lap by Button Press to
manually end the lap each time.
• Select Lap by Distance to
automatically mark the lap at a
specic distance.
To set the distance units and
value, press MENU, and select
Set Lap Distance.
A geocache is like a hidden treasure.
Geocaching is when you hunt for
hidden treasures using GPS coordinates
posted online by those hiding the
geocache.