How do I change FT4 battery?

FT4 uses battery type CR1632. See the video for instructions.

Polar Service Centers will help you with any questions.

Having alarm sounds enabled and using the backlight a lot will reduce battery life.

Low battery indicator may appear when training in cold conditions. The indicator will disappear when the temperature rises.

Transfer your data frequently to polarpersonaltrainer.com to store your training data.