Garmin Forerunner 310XT Quick Start Manual page 8

It should be snug enough to stay in
place during your run.
1. Snap one side of the strap to the
heart rate monitor module.
2. Wet both electrodes on the back
of the heart rate monitor to create
a strong connection between your
chest and the transmitter.
3. Wrap the strap around your chest,
and snap it to the other side of
the module.

Heart Rate Monitor Module (Front)
Heart Rate Monitor Module (Back)
Electrodes
Heart Rate Monitor Strap (Back)
Snaps
noTe: The Garmin logo should
be right‑side up.
4. Bring the Forerunner within range
(3 m) of the heart rate monitor.
noTe: If the heart rate data is
erratic or does not appear, you
may have to tighten the strap on
your chest or warm up for 5–10
minutes.
Forerunner 310XT Quick Start Manual