2. Display Adjustment
Intensity Adjustments
16.
Press
(-1
then set the REF LVL to -70 dB and the LOG dB/DIV to 1. This
should almost completely fill the screen with the noise floor. Press
(SWP).
Adjust
A17R4 Z GAIN until the intensity at the center of the screen is 15 NITS, as indicated by
the TEK
JlG-TV
Photometer/Radiometer.
17.
Press (CAL), MORE
1
of 2, and CRT ADJ PATTERN. Locate the dot just below the HP
logo. Adjust A17R93 ASTIG for the smallest round dot possible.
DEFLECTION ADJUSTMENTS
Adjust START BLANK
Adjust DGTL Y GAIN
and STOP BLANK for
until only one
sharp corners
line
appears
/
Adjust
DGTL X GAIN
unti
I only one
-
line appears
hp
.
856X
\
\
jRECALLl
SOFTKEY
1
SOFTKEY
2
SOFTKEY
3
SOFTKEY
4
SOFTKEY
5
EX
I
T
Adjust TRACE ALIGN
Adjust MIN
INTEN
to place this line
unti I dots
In
these
parallel to left
areas just disappear
edge of CRT bezel
SK13
Figure 2-3. CRT Adjust Pattern
Adjustment Procedures 2-17
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