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905 Heart Rate Monitor
MAIN OPERATING MODES
ACQUIRING HEART RATE: FINGER TOUCH
Heart rate may be acquired from any operating mode (not in any Setting Sequence).
1. With the watch attached to your wrist, PRESS & HOLD the HEART RATE SENSOR with your index finger.
NOTE: You may exit Heart Rate mode at any time by Pressing the Mode, Start/Stop or Reset key.
2. Continue PRESSING & HOLDING until heart rate displays.
3. Once Heart Rate is acquired, RELEASE THE SENSOR. Heart Rate will continue to display for a period of
approximately 5 seconds.
4. If trouble acquiring heart rate, moisten the underside of the watch case (so contact between the wrist and
watch is ensured). To activate heart rate, the watch’s back plate must come into direct contact with your
skin, while your fingertip is touching the top case.
NOTE: The Monitor displays both actual heart rate (in beats per minute) and percent of estimated
maximum heart rate.
ACQUIRING HEART RATE
RESETTING THE WATCH
In rare circumstances, you may wish to completely reset the watch to factory defaults.
1. In Time mode, PRESS & HOLD the MODE, START/LAP/STOP, and RESET/LOCK buttons at the same time
for 5 seconds. The watch will power down.
2. PRESS & HOLD ANY BUTTON for 5 seconds to turn the watch back on.
VIEWING THE BACKLIGHT SYSTEM
The Sportline 905 is equipped with an electroluminescent (EL) Backlight System for viewing the display in
low light conditions. To operate the Backlight:
PRESS the LIGHT key. Backlight will illuminate for approximately 5 seconds.
NOTE: Excessive use of Backlight System may significantly reduce battery life.
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