IBM PCjr

Test Tag 5 - Light Pen Test
You must have a light pen to run this test.
If, while running the Light Pen Test, you wish to
discontinue the test and return to the First IBM PCyr
Test Menu Screen, press Fn, then press Break.
Remember, because television and display colors vary,
the colors in this book may not match the colors on
your screen.
Light Pen Test 6-83