HP 8566B Adjustment Manual page 353

3. Press TRACE A @KiiKJ
4. Adjust A3A3R4 X GAIN and A3A3R5 Y GAIN to place graticule
information completely on CRT. See Figure 3-105 for location of
adjustment.
5. Adjust A3A2R12 LL THRESH fully clockwise. See Figure 3-105 for
location of adjustment.
I N T E N S I T Y
T R I G G E R C O N T R O L
\ \
R 5 1
L L T H R E S H
Location of Digital Storage Display Adjustments
6. Adjust A3A3R6 XLL so that horizontal graticule lines just meet
the vertical graticule lines at the left and right sides of the
graticule. See Figure 3-105 for location of adjustment.
7. Adjust A3A3R9 YLL so that vertical graticule lines just meet the
horizontal graticule lines at the top and bottom of the graticule.
See Figure 3-105 for location of adjustment.
8. Repeat steps 6 and 7 until horizontal and vertical lines are
adjusted so that they meet the edges of the graticule but do not
overshoot.
9. Adjust A3A2R12 LL THRESH fully counterclockwise.
10. Adjust A3A3R7 XSL so that horizontal graticule lines just meet the
vertical graticule lines at the left and right sides of the graticule.
24. Digital Storage Display Adjustments
L I NE
G E N E R A T O R
R 5 0
X S & Ii BAL
Figure 3-105.
R 3 4
S W P O F F S E T
Adjustments 3-213