1. Device Overview
➀ Power/ Back
Hold to turn the device on/off.
Press to turn the backlight on/off.
Press to return to previous page or exit.
➁ Up
Press to scroll up the menus.
➂ OK /Enter/ Save
Press to accept an entry or to move forward on a menu.
➃ Down
Press to scroll down the menus.
➀
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➂
➃
2.