Polar S3 W.I.N.D User Guide

s3 Stride Sensor W.I.N.D.

User Manual

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Congratulations! The Polar s3 stride sensor
W.I.N.D. is the best choice for improving your
running technique and efficiency. Using
sensitive inertial sensors to track the position of
the foot, it is immune from signal dropout, and
gives accurate and highly responsive speed,
distance, leg cadence and stride length
measurements.

The latest version of this user manual can be
downloaded at www.polar.fi/support.

For video tutorials, go to
http://www.polar.fi/en/support/video_tutorials.

Please follow the pictures on the front cover.

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Install Stride Sensor Battery

Before using the s3 stride sensor for the first
time, insert the battery (included in the product
package).

1. Open the battery cover by turning it
counterclockwise to OPEN using the sensor
fork or a coin (see picture 1).

2. Place the battery inside the cover with the
positive (+) side facing the cover (see
picture 2). Make sure the sealing ring is in
the groove to ensure water resistance.

3. Place the cover with the battery inside it
into the sensor.

4. Press the cover in place and close it by
turning clockwise from OPEN to CLOSE
using the sensor fork or a coin (see picture

3). The s3 stride sensor can be positioned
either on the shoelaces or in the sole cavity
of a specific running shoe.

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Teach a New Stride Sensor to Your Wrist
Unit

Your new s3 stride sensor must be introduced to
your Polar product in order to analyze your
running technique and efficiency. This is called
teaching. For further information, refer to the
user manual or go to www.polar.fi/support.

Attach Stride Sensor on Shoelaces

1. Undo the flap and detach the fork (see
picture 4).

2. Loosen your shoelaces and place the fork
underneath them, on top of the tongue of
the shoe (see picture 5).

3. Tighten the laces.

4. Fit the front part of the sensor onto the fork
and press from the rear (see picture 6).
Fasten the flap.

5. Make sure the sensor does not move and is
aligned with your foot. The more secure the
sensor, the more accurately speed and
distance is measured.

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