174Preventing afterimage burn-in― The best way to protect the product from afterimage burn-in is switching the power off or setting the PC orsystem to run a screen saver when not in use. Also, Warranty service may be limited depending on instructionguide.• Powering Off, Screen Saver and Power Saving Mode‒ Power off the product for 2 hours after using it for 12 hours.‒ Go to Display Properties > Power Supply on your PC and set the product to power off as required.‒ Using a screen saver is recommended.It is best to use a single-colour or moving-image screen saver.• Regular colour Change‒ Use 2 coloursSwitch between 2 colours every 30 minutes as shown above.FLIGHT FLIGHTTIME TIMEOZ348UA102 21:1020:30OZ348UA102 21:1020:30Type 1 Type 2• Avoid combinations of a text colour and background colour of contrasting brightness.(Brightness: refers to the lightness or darkness of a colour which varies depending on the amount oflight emitted.)― Avoid using grey as it may contribute to afterimage burn-in.― Avoid using colours of contrasting brightness (black and white; grey).FLIGHT TIMEOZ348 20:30::FLIGHT TIMEOZ348 20:30::• Regular Text colour Change‒ Use bright colours of similar brightness.Interval: Change text colour and background colour every 30 minutesFLIGHT TIMEOZ348 20:30::FLIGHT TIMEOZ348 20:30::FLIGHT TIMEOZ348 20:30::FLIGHT TIMEOZ348 20:30::‒ Move and change text every 30 minutes as shown below.FLIGHT TIMEOZ348 20:30::[ Step 3 ][ Step 2 ]FLIGHT TIMEOZ348::[ Step 1 ]20:30‒ Regularly display a moving image along with a logo.Interval: Display a moving image along with a logo for 60 seconds after using for 4 hours.