IBM PCjr

30
31
Turn the Brightness Control fully
clockwise. Go to Step 31.
jlBMj
©
©
J
J
Turn the Contrast Control fully
counterclockwise. Did the characters
get darker?
YES - Go to Step 32.
NO - Have your IBM Color
Display serviced. See
"Service Information" in
this section.
6-80 IBM Color Display Check Out Procedure