Beurer PM 62 Operations Instructions Page 40

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38
Distortion and interference
In the HR monitor, a receivor for signals from the chest strap transmitter
is integrated. During use, it may arise that the HR monitor receives
signals other than those transmitted by the chest strap.
How can I recognize interference?
Interference can be recognized in that the values displayed are unrealis-
tic. If your normal heart rate amounts to 130 bpm and it is suddenly
shown to be 200, then a short-term disturbance is present. Once you
have removed yourself from the vicinity of the source causing the dis-
turbance, the values will automatically resume being accurate. Please
note that distorted values can mildly influence the training result displays
and overall values.
What kind of causes for interference are there?
In some situations, short-range electromagnetic interference can occur.
In order to avoid these, keep well away from these sources.
Nearby power lines
Walking through security gates in airports.
Nearby overhead lines (tram)
Nearby traffic lights, television sets, car motors, bike computers
Nearby exercise equipment
Nearby mobile phones
Interference from other devices for measuring heart rates
The HR monitor as a receiver can react to interfering stray signals such
as other heart rate monitors within a vicinity of one metre. This can
result in incorrect measurements particularly when training in groups. If
you e.g. jog next to one another, it can be beneficial to wear the HR
monitor on the other wrist or to increase the distance to one's training
partner.
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