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...other person with heart rate monitor is causing interference?
Keep a distance from your training partner and continue your training
session normally.
Or
1. Take the transmitter off your chest for 30 seconds. Keep a distance from
your training partner.
2. Put the transmitter back and bring the receiver up to your chest near
the transmitter’s Polar logo. The receiver starts looking for a heart rate
signal again. Continue your training session normally.
...heart rate reading becomes erratic or extremely high?
You may have come within range of strong electromagnetic signals which
cause erratic readings. Check your surroundings and move further away
from the source of disturbance.
...the display is blank or fading?
If the display is blank, activate the wrist receiver by pressing the OK button
twice, after which the Time of Day display appears. The first sign of a
discharged battery is the battery symbol on the display. Also the digits fade
when the backlight is used. Have the batteries checked.
...there are no reactions to any buttons?
Reset the Polar heart rate monitor. Resetting clears watch settings which
will return to the default settings. User information and measuring units
settings will be saved.
1. Press the RESET button with a pen tip. Display becomes full of digits.
If you don’t press any button after reset within one minute the wrist
receiver goes to the Time of Day display.
2. Press any of the buttons once. The time of day is displayed.
...the battery of the wrist receiver must be replaced?
We recommend having all service done by an authorized Polar Service
Center. This is especially necessary to ensure the warranty remains valid and
is not affected by incorrect repair procedures done by an unauthorized
agent. Polar Service will test your wrist receiver for water resistance after
battery replacement and make a full periodic check of the complete Polar
heart rate monitor.
…there are irregular speed, distance or heart rate readings?
You may have come within range of strong electromagnetic-signals, which
cause erratic readings. Check your surroundings and move away from the
source of disturbance.
S510 S520 manual USA GBR A.pm6 7/2/02, 12:5990-91