Anser U2 PRO - Display; Brightness; Screen Saving; Diagnostic

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DISPLAY
BRIGHTNESS
Set screen brightness, rang is 10%~100%.
SCREEN SAVING
Screen saving time, range is 1~60min.
DIAGNOSTIC
After start testing, LCD will display red, green, blue and white for 1 sec sequentially.
SOUNDS
Turn on/off the alarm for counter, remote keypad and printing beep.