Timex M640 Heart Rate Monitor User Manual


 
START/SPLIT (+) or HEART Rate (–).
4. Press MODE (NEXT) to move to the next value for hours, minutes, and
seconds
5. Press STOP/SET/RESET (DONE) to save your changes and exit the
setting process.
To Operate the Timer
1. Press START/SPLIT to start the timer countdown. The hourglass icon
(
H
) will appear on the display.
2. Pause the countdown by pressing STOP/SET/RESET.
3. Resume the countdown by pressing START/SPLIT again or reset the
timer by pressing and holding STOP/SET/RESET again until the words
HOLD TO RESET briefly appear on the display followed by the original
countdown time.
4. When the timer reaches zero, a brief alert will sound and the INDIGLO
®
night
-light will flash. Press any button to silence the alert.
Timer Mode Notes & Tips
You can press MODE within Timer Mode to switch the display to
another mode without disrupting the operation of the timer.The
hourglass icon will continue to display to indicate the timer is
operating.
You can repeat the countdown by immediately pressing START/SPLIT at
the end once the alert stops.
19
T
IMER
Timer Mode allows you to set a fixed time from which the Watch counts
down to zero (i.e., 10,9, 8, ...).
NOTE: You can press any button in Timer Mode to silence the alert that
sounds when the timer reaches zero.
To Set the Timer
1. Press MODE until TIMER appears.
2. Press STOP/SET/RESET until SET briefly appears on the display followed
by the timer with the hours value flashing.
3. Press START/SPLIT (+) to increase the values or HEART RATE (–) to
decrease the value.This applies for hours, minutes, and seconds.
NOTE: To quickly change the value being set, press and hold
18
START/SPLIT
Press to increase the
setting item or start or
resume timing.
STOP/SET/RESET
Press to start or complete
the setting process or
pause or reset the timer.
HEART RATE
Press to decrease the
setting item or switch
display views.
MODE
Press to move to the next
mode or digit.
INDIGLO
®
night-light
Press to light the Watch.