Timex M640 - Manual (Page 79)

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Your Watch can act as an ordinary timepiece, displaying the time, date, and
day for two different time zones using a 12- or 24-hour format. Note that
you must independently set the time of day for each time zone.
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1. Press MODE until Time of Day Mode appears, showing the current time.
2. Press and hold STOP/SET/RESET until the words HOLD TO SET briefly
appear on the display followed by SET TIME with the number 1 flashing
in the lower right corner.
3. PRESS START/SPLIT (+) or HEART RATE (–) to toggle between the
primary (T1) and secondary (T2) time zones.
4. Press MODE (NEXT) to begin setting the time for the chosen time zone.
The time will appear on the display with the hour value flashing.
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8. Press MODE until you see Review Mode. This Mode includes heart rate
and other statistical data about your workout. See pages 23 to 25 for
more information about Review Mode.
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The Watch and the Digital Heart Rate Sensor need to be within three feet
(one meter) of each other to function properly. If the Watch is not receiving
heart rate information, you may receive the message NO HRM DATA on the
Watch display. Try the following:
❖ Shorten the distance between the Watch and the Digital Heart Rate
Sensor.
❖ Adjust the position of the Digital Heart Rate Sensor and elastic chest
strap.
❖ Make sure the Digital Heart Rate Sensor pads are wet.
❖ Check the battery in the Digital Heart Rate Sensor and replace it if
necessary.
❖ Move away from other heart rate monitors or other sources of radio or
electrical interference.
8
START/SPLIT
Press to peak at or switch
time zones or increase or
toggle the setting item.
STOP/SET/RESET
Press to start or complete
the setting process.
HEART RATE
Press to decrease or
toggle the setting item or
switch display views.
MODE
Press to move to the next
mode, digit, or setting
option or group.
INDIGLO ® night-light
Press to light the Watch.