To Manually Determine A Recovery Heart Rate - Timex Ironman M640 Manual Del Usuario

W246_EU_EN.qxp 7/18/08
Your recovery rate represents the change in your heart rate over a period
of time. Your Digital Heart Rate Monitor records the change in your heart
rate for either a 1- or 2-minute period. To set the recovery timer duration:
1. Press MODE until RECOVER appears.
2. Press STOP/RESET/SET to clear the last heart rate recovery reading, if
necessary.
3. Press STOP/RESET/SET to toggle between a 1- or a 2-minute recovery
time.
While running the chronograph, the recovery heart rate timer will begin
automatically after pressing STOP/RESET/SET if the watch is receiving
data from the Digital Heart Rate Sensor.
NOTE: The watch cannot record a recovery unless it is receiving a current
heart rate and a valid pulse from the Digital Heart Rate Sensor. Without a
current heart rate or if the ending rate is higher than the starting heart
rate, the display will read NO REC.

To Manually Determine a Recovery Heart Rate

You can also manually initiate a recovery heart rate without stopping the
chronograph by following these steps.
1. Press MODE until RECOVER appears.
2. Press STOP/RESET/SET to clear the last heart rate recovery reading, if
necessary.
24
1:48 PM Page 24
3. Press STOP/RESET/SET to toggle between a 1- or a 2-minute recovery
time.
4. Press START/SPLIT. The top line of the watch display will show the
heart rate at the beginning of the recovery period (on the left) as well
as your current heart rate. The bottom line will show the 1- or 2-
minute recovery countdown.
5. After a 1- or 2-minute countdown, the watch will beep indicating the
end of the recovery period. The watch will capture your heart rate a
second time, subtract the second value from the first value and display
the difference as the recovery (R value).
NOTE: The watch cannot record a recovery unless it is receiving a current
heart rate and a valid pulse from the Digital Heart Rate Sensor. Without a
current heart rate or if the ending rate is higher than the starting heart
rate, the display will read NO REC.
6. You can continue to initiate a 1- or 2-minute recovery period by
repeating steps 2 through 4.
25