Beurer PM 62 - Manual (Page 49)

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How can I recognize interference?
Interference can be recognized in that the values displayed are unrealis-
tic. If your normal heart rate amounts to e.g. 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 distur-
bance, the values will automatically resume being accurate. Please note
that distorted values can 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.
17. T
ECHNICAL SPECIFICATIONS
Model PM62
Heart rate monitor
Real time clock 12/24 hour with hour/minute/second
Heart rate measurement 35 to 240 bpm
Accuracy of heart rate +- 1bpm, whichever larger, definition ap-
plies to steady state conditions