User ManualTable of ContentsWatch Display and Button Overview .4Display Icons and Descriptions5Operation Overview6Mode Order7Measuring Your Heart Rate7Heart Rate Lock8Relative Heart Rate10Target Heart Rate Zone10Target Heart Rate Zone Setup11Heart Rate Zone Alert14Activity15Time and Date Setup16Alarm and Hourly Chime17Stopwatch18Countdown Timer Setup18Countdown Timer Operation19Second Time Zone Setup19Care and Maintenance20Troubleshooting – Heart Rate21Specifications23Battery25Warranty & Service28Size: 2.13 MBPages: 18Language: EnglishOpen manual