Beurer PM 90 - Handbuch (Seite 16)

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of sweat beneath the chest strap. You can, however, also wet the
contact points on the inside of the chest strap. For this, lift the
chest strap up from the skin slightly and wet the two sensors with
saliva, water or ECG gel (available at chemistry). The contact be-
tween skin and chest strap may not be interrupted also with grea-
ter movements of the thorax such as during deep breathing. Sig-
nificant chest chair can interfere with and even prevent contact.
 Put on the chest strap a few minutes before starting in order to
warm it up to body temperature and establish optimal contact.
Pairing the signals from the device
The digital transmitters (chest strap, Speedbox, diagnostic scale)
and receiver (HR monitor) have to be paired. If you buy each device
separately, e.g. as a replacement, or if you change the batteries,
then you have to pair the devices before use.
You can find out how to pair the devices by reading the chapter
“Basic settings”, section “Pairing the device signals”.
Connecting the devices
Your HR monitor receives signals from the digital transmitters, chest
strap and Speedbox, as soon as you have activated them and have
changed into the
Training menu by pressing the
menu
button.
How you can identify on the display whether signals are being re-
ceived:
If the heart symbol flashes, then the heart rate is being received
from the chest strap.
If “0” is displayed in the 1
st
line for a longer period, then the HR
monitor cannot receive the signals from the chest strap. The
display “0” can occur in the
Training , Time and Spd’nDist
menus. In this case, change into the Training menu with the
menu
button. The HR monitor tries once more to make
contact with the devices.