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Note: The transmitter is automatically activated when it detects
activity from the user's heart. Additionally, it automatically deacti-
vates when it does not receive any activity. Although the transmitter
is water resistant, moisture can have the e ect of creating false sig-
nals, so you should take precautions to completely dry the transmit-
ter after use to prolong battery life (estimated transmitter battery life
is 2500 hours). If your chest strap has a replaceable battery the
replacement battery is CR2032.
Erratic operation
Caution! Do not use this 7.5 S for heart rate control unless a steady,
solid actual heart rate value is being displayed. High, wild, random
numbers being displayed indicate a problem. Areas to look at for
interference, which may cause erratic heart rate:
• Microwave ovens, tvs, small appliances, etc.
• Fluorescent lights.
• Some household security systems.
• Perimeter fence for a pet.
• Some people have problems with the transmitter picking up a signal
from their skin. If you have problems try wearing the transmitter
upside down. Normally the transmitter will be oriented so the logo is
right side up.
• The antenna that picks up your heart rate is very sensitive. If there is
an outside noise source, turning the whole machine 90 degrees may
de-tune the interference.
• If there is another person wearing a chest strap within 1 meter, it will
interfere.
• If you continue to experience problems contact your dealer.
Heart rate program operation
To start the HR program follow the instructions below or just press
the HR key then the Enter button and follow the directions in the
message window.
• Press the HR key then press the enter key.
• The message window will ask you to enter your age. You may enter
your age, using the up and down keys or the numeric key pad, then
press the enter key to accept the new number and proceed on to
the next screen.
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