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
| PRESS | PRESS | PRESS |
| MODE | MODE | MODE |
TIME | HEART RATE/ | MEMORY | COUNTDOWN |
| CHRONOGRAPH |
| TIMER |
ACQUIRE HEART RATE:
TOUCH HEART RATE SENSORS
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