Using The Countdown Timer - Garmin Forerunner 310XT Owner's Manual

Training
5. When you have finished
swimming, press
view your distance and average
speed in the data fields.
You must press
timer.
notiCe: Scuba diving with
the Forerunner may damage
the product and will void the
warranty.
Using the Countdown
Timer
You can use the countdown timer to
automatically start the Forerunner
timer after a specified countdown.
For example, you can use a 30-
second countdown before you start
a timed sprint. You can also set a
5-minute countdown before starting
a boat race.

lap or stop to
stop to stop the
note: During the countdown,
history is not recorded.
The swim setting must be turned off
to access the countdown timer.
1. Press and hold
Other.
2. Press mode > select
Other Settings
Timer.
3. Select Countdown Timer
4. Enter the countdown time.
5. Press start to begin the
countdown timer.
You will hear 5 beeps before the
timer starts automatically.
Forerunner 310XT Owner's Manual
mode > select
Settings >
Countdown
>
> On.