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MAIN OPERATING MODES
The Sportline Duo 1010 Heart Rate Watch has 4 main operating modes: Time, Heart Rate/
Chronograph, Memory and Countdown Timer. Scroll through modes by
PRESSING the MODE key. You
may acquire Finger Touch Heart Rate by
TOUCHING & HOLDING both the upper and lower Heart Rate
Sensors in any operating mode. The watch also has 8 Heart Rate sub modes (see following page).
NOTE: You may access Alarm mode by Pressing & Holding the Start/Stop key in Time Mode
TIME HEART RATE/
CHRONOGRAPH
MEMORY COUNTDOWN
TIMER
ACQUIRE HEART RATE:
TOUCH HEART RATE SENSORS
PRESS
MODE
PRESS
MODE
PRESS
MODE