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battery has been inserted correctly. Use a coin to open the battery compartment cover (back of sensor).

Insert new battery (CR2032 or equivalent) with “+” facing you.

Push the reset button next to the battery. Use a toothpick or straightened paper clip.

Reinstall battery cover.

Perform quick test of the unit:

1.Move away from sources of electrical or radio interference. 2.Liberally moisten the Heart Rate Sensor pads and put the

chest strap around your chest,securely against your skin. 3.Activate the heart rate monitor function on the watch. 4.Within a few seconds, the heart symbol on the watch display

should begin flashing,indicating that the sensor is active. This confirms that the battery was installed correctly.

NOTE:A heart rate value does not need to appear on the display during this test.

IF FLASHING HEART DOES NOT APPEAR ON WATCH:

Press the reset switch in the battery compartment again and replace the battery cover.

Reinstall the battery, and repeat test procedure above.

Water Resistance

The Heart Rate Sensor withstands water pressure to 60 p.s.i.See chart at end of booklet for equivalents. WARNING: The Heart Rate Sensor will not display heart rate when operated under water.

Speed + Distance Sensor

How the Speed and Distance System Works

The Speed + Distance (S+D) Sensor acquires signals from orbiting GPS (Global Positioning System) satellites to determine your position and changes in position anywhere on the globe. This information is transmitted wirelessly to your watch so that it can compute your speed, pace and distance traveled. For additional information on determining your speed and distance, see the instructions for your watch.

About GPS Lock Times

On first use, the S+D Sensor can take up to 5 minutes or even longer to establish a link with the satellites. After that,the unit typically needs only one minute.

If you move hundreds of miles from the location where you last used the S+D Sensor or if you leave the S+D Sensor powered up indoors for long periods of time before going outdoors, the search may take longer than expected.

For shortest GPS lock times, try to minimize movement while the indicator light is flashing red.

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Timex W-184 manual Speed + Distance Sensor, How the Speed and Distance System Works, About GPS Lock Times