3310. Troubleshooting & FAQsQ11: What is Image Sticking, or ImageBurn-in, or After Image, or GhostImage in LCD panels?Ans.: Uninterrupted display of still orstatic images over an extendedperiod may cause "burn in",also known as "after-imaging"or "ghost imaging", on yourscreen. "Burn-in", "after-imaging", or "ghost imaging" isa well-known phenomenon inLCD panel technology. In mostcases, the "burned in" or "atter-imaging" or "ghost imaging" willdisappear gradually over a periodof time after the power has beenswitched off.Always activate a moving screensaver program when you leaveyour display unattended.Always activate a periodic screenrefresh application if your LCDdisplay will display unchangingstatic content.WarningFailure to activate a screen saver, ora periodic screen refresh applicationmay result in severe “burn-in” or “after-image” or “ghost image” symptomsthat will not disappear and cannot berepaired. The damage mentioned aboveis not covered under your warranty.Q12: Why is my Display not showingsharp text, and is displayingjagged characters?Ans.: Your LCD display works best at itsnative resolution of 3440x1440@ 60 Hz. For best display, pleaseuse this resolution.Q13: How to unlock/lock my hot key?Ans.: To lock the OSD, press and holdthe button while themonitor is off and then pressbutton to turn the monitor on.To un-lock the OSD, press andhold the button while themonitor is off and then pressbutton to turn the monitor on. Q14: Where can I find ImportantInformation manual mentioned inEDFU?Ans.: Important Information manualcan be download on the Philipswebsite support page.10.3 Multiview FAQsQ1: How to listen to Audio,independent of video?Ans.: Normally the audio source islinked to the main picture source.If you want to change audio-source input (for example: listento your MP3 player independentlyregardless of the video sourceinput), you can press to enterOSD menu. Select your preferred[Audio Source] option from the[Audio] main menu.Please note that the next timeyou turn on your Display, theDisplay will by default select theaudio source you chose last time.In case you want to change itagain, you need to go through theabove steps to select your newpreferred audio source, whichthen will become the “default”mode.Q2: Why the sub-windows flickerswhen I enable PBP.