1. Device Overview
①
③
④
②
⑤
① Power and Backlight
Hold to turn the device on/off.
Press to turn the backlight on/off.
② Back/Lap
Press to return to the previous page or step.
Switch time display mode.
③ Up
Press to scroll up the menus.
④ OK and Enter
Press to accept an entry or to move forward on a menu.
⑤ Down
Press to scroll down the menus.
2.
To Next Page
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