Filter
Top Products
64
1. Using a coin, open the battery
cover by turning it coun-
terclockwise to OPEN.
2. Insert the battery (CR 2025)
inside the cover with the positive
(+) side against the cover. Make
sure the sealing ring is in the
groove to ensure water res-
istance.
3. Press the cover back into the con-
nector.
4. Use the coin to turn the cover
clockwise to CLOSE.
Danger of explosion if the battery is replaced with wrong type.
PRECAUTIONS
The Polar M400 training device shows your performance indicators. The training device is designed to indicate
the level of physiological strain and recovery during and after an exercise session. It measures heart rate,
speed and distance. No other use is intended or implied.
The training device should not be used for obtaining environmental measurements that require professional or
industrial precision.
INTERFERENCE DURING TRAINING
Electromagnetic Interference and Training Equipment
Disturbance may occur near electrical devices. Also WLAN base stations may cause interference when train-
ing with the training device. To avoid erratic reading or misbehavior, move away from possible sources of dis-
turbance.
Training equipment with electronic or electrical components such as LED displays, motors and electrical
brakes may cause interfering stray signals. To solve these problems, try the following:
1. Remove the heart rate sensor strap from your chest and use the training equipment as you would nor-
mally.