If unchecked, viewer will display full-screen when logged in. Window Size: 640x480 800x600 720x480 (NTSC) 768x576 (PAL) 1024x768 Display Resolution: Aspect Ratio: 4:3 (Standard CRT) 5:4 (1280x1024 LCD) 8:5 (Widescreen) 16:9 (Widescreen) Quality and Performance: Faster Low Mid High Ultra Higher Quality Shaders: Reflection Detail: Terrain and Trees All Static Objects All Avatars and Objects Everything Avatar Rendering: m m Mesh Detail: Low Low Low Low Low Low Low Lighting Detail: Sun and moon only Nearby local lights Terrain Detail: Low High [RES_X] x [RES_Y] [NUM]:[DEN]