Omron HR-310 instruction manual Backlight / Keypad Lock, To turn the backlight on for 3 seconds

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BACKLIGHT / KEYPAD LOCK

To turn the backlight on for 3 seconds:

Press . (Press again within the 3 seconds to extend the light for 3 more seconds.)

To turn the keypad lock ON or OFF:

Press and hold .

appears when the keypad lock is ON.

NOTE:The backlight does not work when the low battery icon is shown and will return to normal once the batteries are replaced.

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Contents Model HR-310 Heart Rate MonitorContents Introduction Operating the Device Important Safety InformationCare and Maintenance Main Unit Know Your UnitLCD Turning on the Watch 1ST Time USE only Switch Operation ModesGetting Started Mode Banner Main Mode To toggle between the 4 different clock displays ClockTo set the clock To activate / deactivate the alarm AlarmTo set the daily alarm To turn the alarm sound OFF and reset it for the next dayTo turn the keypad tone on or OFF To set the tap on lens preset modeKeypad Tone TAP on LensTo set lower and upper heart rate limits / alert Heart Rate Limits / AlertTo use the tap on lens Target MHR % Description Activity Target ActivityMaximum / Lower / Upper Heart Rate Icon Heart Rate AlertTo manually calculate your own heart rate limits MHRTo view your ﬁtness index User DataTo set the user data Activity Description Activity LevelFitness Index Fair Tips Wearing the Chest BeltChest Belt Icon Description Transmission SignalTo use the stopwatch To reset the stopwatchStopwatch Percentage Heart Rate Reading View Data and Current Heart Rate While Stopwatch is RunningTo turn the keypad lock on or OFF Backlight / Keypad LockTo turn the backlight on for 3 seconds Batteries To replace the chest belt battery Light USE in the WaterHR-310 HBE-310-Z SpecificationsFCC Statement Limited Warranty Page Page Omron Healthcare, Inc