Mode Button [M]
• Press to select one of the functional modes
• In function modes: Hold to select setting display
• In any setting display: Press to choose between different settings.
• Press and hold the button to exit setting sequence.
Start/Stop/Lap Button [S/S]
• In Current Time Mode: Press to show Alarm Time and Hold to enter the setting of
Daily Alarm Mode
• In Heart Rate Chronograph Mode: Press to start the counting or take Laps,
Hold to stop counting.
• In Timer Mode: Press to start or stop counting.
• In setting displays: Press to change the settings.
Reset Button [R]
• In Heart Rate Chronograph Mode: Press to select sub-functional modes.
When the counting is stopped, Hold to reset display to zero
• In Timer Mode (Stop Counting): Hold to reset the timer to target time
• In setting displays: press to change the settings.
Light Button [EL]
• In any mode/display, press to turn ON the EL back light for about 3 seconds.
Note:
The button operations are summarized above, for detailed operating instructions,
please continue reading.
Buttons Operation Summary
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