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Batteries
The RCX5 training computer and the Polar H2
heart rate sensor both have a user changeable
battery. To change the battery yourself, please
follow the instructions carefully as instructed in
chapter Change Batteries Yourself.
Prior to changing the batteries, please note the
following:
• The low battery indicator is displayed when
only 10-15% of the battery capacity is left.
• Excessive use of the backlight drains the
battery more rapidly.
• The backlight and sound are automatically
turned off when the low battery indicator is
displayed. Any alarms set prior to the
appearance of the low battery indicator will
remain active.
• In cold conditions, the low battery indicator
may appear, but will disappear when the
temperature rises.
If you train in cold conditions (-20 °C to -10 °C / -4
°F to 14 °F ) we recommend that you wear the
training computer under the sleeve of your jacket,
directly on your skin.
Change Batteries Yourself
When changing the battery, make sure the
sealing ring is not damaged, in which case you
should replace it with a new one. You can
purchase the sealing ring/battery kits at
well-equipped Polar retailers and authorized
Polar Services. In the USA and Canada, the
additional sealing rings are available at
authorized Polar Service Centers. In the USA
the sealing ring/battery kits are also available at
www.shoppolar.com. Go to www.polar.com to
find your own country's shoppolar online store.
Keep the batteries away from children. If
swallowed, contact a doctor immediately.
Batteries should be properly disposed of
according to local regulations.
When handling a new, fully charged battery,
avoid clasp-like contact, i.e. simultaneous from
both sides, with metal or electrically conducting
tools, like tweezers. This may short-circuit the
battery causing it to discharge more rapidly.
Typically, short circuiting does not damage the
battery, but it may decrease the capacity and
lifetime of the battery.
ENGLISH 17