DQ Gw Enter a description for the new preset. The description will be shown when hovering the cursor over the preset in the presets list. Picture Size controls how video dimensions are applied when selecting the preset. None uses the currently set dimensions. Custom allows you to set a maximum width and/or height. Source maximum uses the full dimensions of each source. Picture Size controls how video dimensions are applied when selecting the preset. None uses the currently set dimensions. Custom allows you to set a maximum width and/or height. Source maximum uses the full dimensions of each source.