Polar is stuck on the chest belt. This belt is stuck at the southern Polar, mark c. and is in the middle position of the chest near the clock signal in a radius of 1 m to bring the best signal.
Polar is stuck on the chest strap. The strap is attached to the area under the breasts. The Polar mark in the middle of the chest. Near the clock signal in a radius of one meter for bringing a good sign.
Polar is trapped on the late student. The belt is stuck under the milk, and mark Polar in position the center of the chest. To near the clock receiver within 1 meters to the good sign .