ViewSonic XG2700-4K - 27 Display IPS Panel 3840 x 2160 Resolution XG2700-4K Us - Page 19

# Uniformity Enhancement for Consistent and Balanced Image Performance The XG2700-4K's Uniformity Correction function compensates any luminance and color uniformity imbalance on the screen such as dark spots, uneven brightness, or illegible images on the screen. With the ViewSonic uniformity correction function, gray-scale levels are balanced, and delta E scores are improved to be ≦2. Color reproduction, accuracy, and delta E numbers will all be improved, increasing reliability and offering the highest quality viewing experience from every monitor. Note: If enable the uniformity function will reduce the overall peak luminance of the display. SAVE AS: The OSD function save OSD settings (include Input source). There are 3 main positions (USER MODE 1,USER MODE 2,USER MODE3) , allows user to save OSD setting. DISPLAYPORT V1.2 : Switch v1.2 and v1.1 for DISPLAYPORT Version  = DISPLAYPORT V1.2 mode  = DISPLAYPORT V1.1 mode Note: If you want to enable 4k 60 Hz with Apple devices or PC when connected via DP ,firstly your device(PC, Apple device, NB) must be have DP1.2 port and support 4k 60 Hz . Secondly, DP 1.2 should be enabled via OSD. FREESYNC: Using the AMD FreeSync™ technology puts an end to choppy gameplay and broken frames with fluid, artifact-free performance at virtually any framerate. Turn on and off the FREESYNC function Default = Off  = On  = Off 1. Select a FreeSync™ Graphics cards -enabled AMD product. 2. Choice a FreeSync monitor-enable Monitor 3. Download the free FreeSync™ driver NOTE: 1. This panel support adaptive sync timing(40~59.996Hz) only under moving picture in room temperature (25+/-5°C) 2. It would not work usually under still image& reliability test. Under those conditions, the phenomenon such as image sticker and flicker could be found on the screen. 11