Application Guide

10. Were you using the training computer in, or near seawater or a swimming pool?
Have the buttons been pressed under water?
Seawater and swimming pool chemicals can affect ECG signal reception. Do not press
buttons under water as it may cause leaking. For more on Polar products in water, see
Polar Products in Water Environment.
11. Is the display frozen?
If the display is frozen, try resetting the training device. See the user manual of the
training device for instructions.