Test charts for CRT Monitor TweakingHere you will find some icons that become giant test charts. These might be useful for aligning your CRT. Try resizing your browswer to full screen size. (Mozilla offers an F11 key toggle.)
Please don't damage yourself or your monitor by poking around inside with a metal screwdriver. -- Ed
Color Bars for setting Brightness and Contrast
Focus test with moire' checkerboard pattern and narrow stripes
Focus test with moire' grid pattern
Focus test with coarse moire' grid pattern Check your eyeballs.