Step 130. Ibm 6153 Advanced Monochrome Graphics Display - IBM RT PC Problem Determination Manual

Step 130. IBM 6153 Adv an ced Mo n oc h r om e Graphics Display
Problem Determination Guide
2-68
Turn on the Raster Test Control by turning the Brightness and
Raster Test control fully clockwise until it clicks.
DOES THE SCREEN HAVE A LIGHTED BACKGROUND?
YES CONTINUE to next page.
NO Go to "Step 132. IBM 6153 Advanced Monochrome
Graphics Display" on page 2-70.
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