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Using the Tachymeter

You can use the tachymeter to determine speed or distance.

  1. Hold START.
  2. Select START to start the timer.
  3. Select an option:

    • To determine speed, select STOP at a distance of 1 mi. or 1 km.

    • To determine a distance traveled of 1 mi. or 1 km, determine your speed, and select STOP when the number on the bezel is equal to your speed.


    Screenshot of the tachymeter and chronograph with callouts

    Callout number one

    The chronograph displays the elapsed time.

    Callout number two

    When determining speed, the number on the bezel aligned with the tachymeter second hand is the speed in miles per hour or kilometers per hour.

  4. If necessary, select DOWN to reset the timer.
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