© Copyright Qvis ®. All documentation rights reserved.WHITE BALANCE: If the output of the video card is different the requiredspecifications, the color level may deteriorate due to videosignal distortion. Using this function, the signal level isadjusted to fit into the standard output level of the video cardin order to provide the optimal image. Activate this functionwhen white and black colors are present in the screen.DCR: Open the function of Dynamic Contrast Ratio (DCR) 4:3 INWIDE. This is to adjust the image size.FACTORY: Restore all factory default settings exceptRESET "LANGUAGE: Press the buttons to reset immediatelyNOTE:If this does not improve the screen image, restore the factory default settings. If necessary,execute the WHITE BALANCE function again. This function will be enabled only when the inputsignal is an Analog signal.4.3.5 Other functionsPress: MENU key to long-term, OSD LOCKED.Then press: MENU key to long-term, OSD UNLOCKED.