TABLE OF CONTENTS

OPERATING THE WATCH

17

OPERATING HEART RATE/CHRONOGRAPH MODE

17-18

HEART RATE SUB MODES

19

CHRONOGRAPH MEMORY

20

VIEWING THE EL BACKLIGHT SYSTEM

21

RESET/POWER DOWN

21

RANGES & SPECIFICATIONS

22

REPLACING THE WATCH BATTERY

23

REPLACING THE CHEST TRANSMITTER BATTERY

24

BATTERY SAFETY INFORMATION

25

TROUBLE SHOOTING

26

FCC COMPLIANCE

27

WARRANTY

28

Duo 1010w Dual-Use Heart Rate Monitor

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Sportline DUO 1010W manual Operating the Watch Operating Heart RATE/CHRONOGRAPH Mode