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9. Attaching the chest strap
Push the holding clips of the rubber strap into the
openings of the chest strap. The length of the rubber
strap is adjustable.
Moisten the contact surface of the chest strap using
some water or contact gel (see the two arrows and the
drop symbols in the illustration below).
Put on the chest strap as illustrated below. Make sure
the chest strap is put on correctly (the letters must be
properly readable).