Model 8904A Adjustments
Adjustment
6
DISPLAY BACKLIGHTING AND CONTRAST
Description
The instrument’s display
is
adjusted for most pleasing backlighting and character contrast. Any
setting of the
two
adjustments
is
permissible; however, brightest backlighting may reduce the
display’s lifetime somewhat (which
is
why the backlighting was designed
to
time out
3
minutes
after the
last
key
is
pressed).
Procedure
1.
Remove the instrument’s top cover. The cover may be tightly secured in the groove of the bottom
cover.
If
the top cover does
not
pull
off
easily after backing out the screw on the rear edge, back
out the screw on the rear edge
of
the bottom cover also. Place the instrument as
it
will normally
be used (for example,
in
a rack
or
sitting on
a
table with its tilt stands down).
2.
On the Multifunction Synthesizer,
if
the display backlighting
is
not on, press
LOCAL.
Adjust
A2R36
(80V)
for the most pleasing backlighting intensity.
If
the backlighting times out and
goes
off,
press
LOCAL
again. CRefer
to
the Component Locator, Figure
5-5.)
3.
Adjust A2R32 (DISPLAY CONTRAST) for the most pleasing character contrast (that is, the
intensity of the characters
to
the background). Make the adjustment with the backlighting as
it
will
normally be used.
rev.
01
JUL91
Adjustment
6
5-13
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