Operator Controls - IBM 6580 Product Support Manual

CAUTION
Do not remove the display covers. Operating voltages
np
to 14,000 volts are present inside the display. No bleeder
resistor is provided.
SERVICE AIDS
The display Illodule is a field replaceable unit (FRU) which
is not field serviceable.
The raster is a normal background image on the display
screen which is visible when the brightness control is turned
up (clockwise) all the way.
A blank screen or blank area of the screen may not be a
problem in the display module. The problem may
be
a
change in or a loss of the input signals.
NOTE: When a displayed character is changed an "after·
image" will remain for a short time.
I!irO-;;--+----Brightness
Display Raster
DISPLAY - Service Aids, Operator Controls
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