Timex M640 Heart Rate Monitor User Manual


 
You can make the adjustments described in the table.
Digital Heart Rate Monitor Notes & Tips
At any time during the setting process, you can save your changes and
return to the main heart rate display by pressing STOP/SET/RESET
(DONE).
Note: If your upper and lower targets are set less than 5 BPM apart,
the Watch will adjust the lower limit to be 5 BPM less than the upper
limit.
To Set Other Heart Rate Statistical Data
In addition to selecting a Target Heart Rate Zone, it is important that you
set your weight, maximum heart rate, and heart rate display.Accurate
information used by these options helps tailor your Digital Heart Rate
Monitor to your specific fitness needs.
To set other heart rate statistical data:
1. Press MODE until HRM Setup Mode appears.
2. Press STOP/SET/RESET to enter the setting process. You will see your
selected target heart rate zone flashing on the display.
3. Make the desired adjustment by pressing START/SPLIT (+) or HEART
RATE (–). In some setting groups pressing START/SPLIT (+) will increase
a value and pressing HEART RATE (–) will decrease a value. At other
times pressing START/SPLIT (+) or HEART RATE (–) will toggle between
two options or cycle through a setting group.
4. Press MODE (NEXT) to move to the next digit you want to set or the
next setting group.
5. Press STOP/SET/RESET to save your changes and exit the setting
process.
6. Press MODE to exit HRM Setup.
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Setting Group Display Description
Weight
You can enter your current weight and
whether your weight appears in pounds
(lbs) or kilograms (kg) This number is used
to help calculate how many calories you
burn during your activity.Your recorded
weight cannot go below 22 lbs (10 kg) or
above 550 lbs (250 kg).
Maximum
Heart Rate
Your maximum heart rate value is used to
determine your preset target heart rate
zones,and it is also used as a reference to
display your heart rate in terms of percent
of maximum (%MAX). Maximum heart rate
cannot be set below 80 or above 240
beats per minute (BPM).
Heart Rate
Display
You can choose whether your heart rate
will display as beats per minute (BPM) or
as a percent of maximum (%MAX).