173Menu Guide2 Select the first image.Use the multi selector to highlight thefirst photograph in the overlay. Toview the highlighted photograph fullframe, press and hold the X (T)button. Press J to select thehighlighted photograph and return tothe preview display.3 Select the second image.The selected image will appear as Image 1. Highlight Image2 and press J, then select the second photo as described inStep 2.4 Adjust gain.Highlight Image 1 or Image 2 andoptimize exposure for the overlay bypressing 1 or 3 to select the gainfrom values between 0.1 and 2.0.Repeat for the second image. Thedefault value is 1.0; select 0.5 to halvegain or 2.0 to double it. The effects of gain are visible in thePreview column.