Acer BL270 User Manual - Page 25

5. Contrast: Adjust the contrast from 0 to 100. Note: Sets the degree of difference between light and dark areas. 6. Blue Light: Filter out blue light by adjusting different Blue Light showing level - Standard, Level 1, Level 2, Level 3, and Level 4. Note: Lower level allows more blue light through. For the best protection, select a higher level. Note: This monitor is a low blue light backlight monitor, it would decrease the blue light emitted from the monitor without adjusting Blue Light function on OSD. The default setting "Standard" has been tested by TÜV Rheinland and meets the requirements of TÜV Rheinland's "Low Blue Light (Hardware Solution)" standard and TÜV Eyesafe Display certification. Note: Rest your eyes for at least 10 minutes after 30 minutes of continuous watching the monitor. 7. Black Boost: This boosts the amplitude of the dark color levels of the display- blacks will be less black. The higher the level, the higher the boost. 8. ACM: Turn ACM On or Off. The default is Off. 9. Super Sharpness technology can simulate high-resolution images by boosting the pixel density of the original source. It can make images sharper and clear. 10. H. Position (only Analog input model): Adjust the horizontal position from 0 to 100. 11. V. Position (only Analog input model): Adjust the vertical position from 0 to 100. 12. Focus (only Analog input model): Adjust the focus from 0 to 100. 13. Clock (only Analog input model): Adjust the clock from 0 to 100. EN-15