IBM PCjr User Manual

Did a different shade show within a
few inches where the light pen
touched the screen?
YES - You may continue pressing
your light pen to different
places on the large block of
the screen. Different areas
from left to right will show
up in different shades. To
clear the shades from the
screen and restore the
block to one shade, press
the light pen to the small
block in the upper left hand
corner. When you are
finished testing your light
pen and want to return to
the First IBM PQr Test
Menu Screen, press Fn then
press Break
(I
The * under Test Tag "5"
for Ught pen means you
have completed the Light
Pen Test. Go to Step 3.
NO - Have your IBM PCyr
serviced. See "Service
Information" in this
section.
Light Pen Test 6-85

IBM PCjr Specifications

General

Brand	IBM
Model	PCjr
Category	Desktop
Language	English