Operation Manual

Page 9 of 16
receiver is plugged in the phone.
4. The receiver will be turned on and
consume battery when it is plugged into
the phone, even if the Runtastic app is
not activated. Please take off the
receiver when it is not in use.
5. The battery life of the receiver is around
2.5 years if it is used 1 hour per day.
Please change the battery when it is no
longer functioning and cannot receive
signal from the chest strap.
4. Activating heart rate measurement
To activate the heart rate measurement
function open the Runtastic app on your
smartphone.
iPhone:
Go to "Settings" and select “Heart Rate
Settings”. Select the option “Runtastic
Receiver with Chest Strap” and slide
“Enable Runtastic Receiver” to “ON“ and
then press the button “Re-Pair”. Should there
be no heart rate reading, please refer to the
point 1. of NOTE on page 8.
Android operating systems:
Go to "Settings" and select "Heart Rate
Settings”. Select the option "Receiver +
Chest strap (5.3 kHz)". Should there be no
heart rate reading, please refer to the point 1.
of NOTE on page 8.