Timex M187, M640 Display formatting, Preparing to use your Watch, Determining your heart rate

Models: M850 M640 M576

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Display formatting

Display formatting

In Chronograph Mode, you can press and release SET/FORMAT to switch the data values displayed in the upper and middle display lines. This allows you to display the value most important to you in the larger, middle display.

Heart Rate

Time

Time

Heart Rate

Switching the display formatting does not apply to ascent rate which always appears in the middle line of the display. For more information on ascent rate, see “Vertical Mode” on page 29.

Preparing to use your Watch

Determining your heart rate

In addition to many other useful features, your Watch uses technology that helps you track detailed information about your heart rate. But, before you can track this information, you first need to determine your maximum heart rate. You can use many methods to estimate your maximum heart rate.

The booklet Heart Zones® Tools For Success included in your Watch packaging provides excellent procedures and Timex® recommends you use one of these methodologies. However, if you cannot use any of the procedures described in Heart Zones Tools for Success, you might consider using the widely used, though highly debated, age- based method. Begin with the number 220 and then subtract your age. For instance, a 35 year old would begin with 220 and subtract 35 (the person’s age) which gives an estimated maximum heart rate of 185.

Setting your Watch for first use

Once you determine your heart rate, set the following parameters prior to using your Watch:

1.Set the time of day. For detailed information on Time of Day Mode, including instructions for setting time of day, refer to page 20.

2.Enter your maximum heart rate. In Configure Mode, select HRM SETTINGS and then MAX HR. Your maximum heart rate setting determines your five preset heart rate target zones. For more information refer to “Max heart rate” on page 58.

3.Select your desired heart rate display units. In Configure Mode, select HRM SETTINGS and then HRM DISPLAY. Your Watch gives you the option to view your heart rate in beats per minute (BPM) or as a percentage of your maximum heart rate (PERCENT). For more information refer to “Heart rate display” on page 58.

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Timex M187 Display formatting, Preparing to use your Watch, Determining your heart rate, Setting your Watch for first use