... HEART RATE READING BECOMES ERRATIC OR EXTREMELY HIGH?
You may have come within range of strong electromagnetic signals which cause erratic readings on the wrist receiver display. Check your surroundings and move further away from
the source of disturbance. 
Precautions, page 21.
... THE DISPLAY IS BLANK OR FADING?
Have the batteries checked. | Service, page 29. |
... IF THE BATTERY OF THE WRIST RECEIVER MUST BE REPLACED?
We recommend having all service done by an authorized Polar Service Center. However, if you wish to use a local watch shop or battery replacement center or to change the battery yourself, please follow these instructions.
Water resistance cannot be guaranteed after an unauthorized service.
You need the following equipment:
•Battery type: Panasonic CR 2032, 3V
•Piece of
•Small Phillips or standard screwdriver
•Plastic tweezers (recommended)
1. Put the unit on a clean,
pad on an even table surface and open the back cover by removing all four screws counterclockwise with a small screwdriver.
2.Lift the spring gently upwards and simultaneously drag the plate
slightly downwards in a clockwise direction.
Drag downwards
Lift the spring
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3.Put a new battery in the battery housing + side up, using plastic tweezers. Do not use metal tweezers because they may shortcircuit the battery. Note also that bare fingers cause grease and dirty the battery which weakens the contact.
4.Assemble the plate back by turning it slightly counterclockwise until the spring locks the battery in its proper position.
5.Reset the receiver by pressing
the reset spring against the round golden pad for 1 second. Be sure that the spring touches the pad.
Press the spring against the pad
6. Check the display.
is displayed.
7.Make sure that the sealing ring is not damaged and it is in its groove the flat side against the front cover all the way around the housing.
8.Put the back cover in its place. The Polar text on the outside of the back cover is in the upright position with respect to the buckle side of the wrist strap. Push the back cover with your finger to make sure that it is correctly in place.
9.Put the screws in their holes and tighten them slightly from opposite corners. Do not tighten them completely to ensure even closing of the cover. Do not force the screws or damage the existing threads.
10.After having checked that the back cover is firmly in its place, tighten the screws securely from opposite corners.
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Tempo manual USA 179120.A |
1.10.1998, 11:24