Optoma GB-200 User Manual - Page 22

Step 5: 【Edge Blending】 Settings Press" Edge Blending " on top bar to open 【Edge Blending】page 1. Select which edge of image to modify : Top/Bottom/Right/Left  At position Green frame Press left click with green hook for 【Enable】then Input the start point and width of Blending area and press key broad【Enter】  At position like Blue frame Press left click with green hook for 【Enable Marker】and Use right click on the black squares of 【Start】and【End】 to change the Mark line color via Red/Green/Blue adjustment to display Mark Line on image 2. Modify the Gamma curve for blending area  At position Purple frame Press left click with green hook for 【Enable】 and select Gamma number you need 3. The Test Pattern's settings at position Orange frame  Input the value of overlapping horizontal pixels into【Horizontal Space 】to define width of Blending area  Input the of overlapping vertical pixels into【Vertical Space 】to define height of Blending area  Select the color of Test Pattern on this channel  Press 【Enable】to turn Test Pattern is "on" in image Press 【Enable】again to turn Test Pattern is "off" in image