Timex M515 M640 Heart Rate Monitor EP9TMXM640 3348A-TMXM640 Heart Rate Monitor User Manual


 
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Operating Chronograph Mode
When using Chronograph Mode, take splits manually by pressing
START/SPLIT or you can set the Watch to automatically take
splits by time. For more information on setting the Watch to
automatically take splits, refer to “Hands-free settings”
on page 43.
Use these steps to operate the chronograph.
1. Press MODE until Chronograph Mode appears.
2. Press
START/SPLIT to begin timing.
3. Press
START/SPLIT again to take a split and automatically begin
timing a new lap. Press MODE to immediately display new lap
information OR wait for a few seconds and the Watch will
automatically begin to display data for a new lap.
4. Press
STOP/RESET to stop timing when you want to take a break
or you reach the end of your activity.
5. Press
START/SPLIT to continue timing OR press and hold
STOP/RESET to reset the chronograph display to zero.
Chronograph Mode tips & tricks
If you press MODE to switch the Watch to a different mode while
the chronograph continues to run, the stopwatch icon will
appear to indicate the chronograph still operates.
If you use the HR Sensor with the Watch, you can view heart
rate for both percent of your maximum heart rate (PERCENT)
and beats per minute (BPM).
Chronograph Mode
Mode operates as the main workout data center for your Watch. It
can record elapsed time for up to 100 hours. It can also register
information for up to 100 laps, including average heart rate when
using the HR Sensor.
Chronograph Mode terminology
Chronograph: The chronograph records time segments for the
duration of your activity.
Lap: Lap time records the time for one segment of your activity.
Split: Split time records the total elapsed time since the beginning
of your current activity.
Taking a split: When you take a split, the chronograph will
complete timing one lap and begin timing a new one.
View performance
data in conjunction
with the HR Sensor
Swap upper and
middle lines
Stop or reset the
chronograph
INDIGLO®
night-light
Start timing
or take a split
To Interval
Mode or hold
for time
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