Step 3: Acquire Satellite Signals; Step 4: Pair The Heart Rate Monitor (Optional); Using The Heart Rate Monitor - Garmin Forerunner 310XT Quick Start Manual

The Forerunner uses your user
profile to calculate accurate calorie
data. Using the table on
select 0‑10 to set your activity class.
If you are using an ANT+ heart
rate monitor, select
configuration to allow the heart rate
monitor to pair (connect) with your
Forerunner. See Step 4 on for more
information.
Step 3: Acquire Satellite
Signals
It may take 30–60 seconds to acquire
satellite signals. Go outdoors to an
open area. For the best reception,
ensure that the face of the Forerunner
is oriented toward the sky.
When the Forerunner has acquired
satellite signals, the training page
appears with the satellite icon ( ) at
the top.
Forerunner 310XT Quick Start Manual
page 6,
Yes
during the
Step 4: Pair the Heart
Rate Monitor (Optional)
While you are trying to pair your
heart rate monitor with your
Forerunner for the first time, move
10 m away from other heart rate
monitors.

Using the Heart Rate Monitor

The heart rate monitor is on standby
and ready to send data. Wear the
heart rate monitor directly on your
skin, just below your breastplate.
It should be snug enough to stay in
place during your run.
1. Push one tab on the strap through
the slot in the heart rate monitor.
Press the tab down.
2. Wet both electrodes on the back
of the heart rate monitor to create
a strong connection between your
chest and the transmitter.