Adjustments
Model 3585A
5-1 8
Line Drawer Offset R48
Reference Voltage R72
Compensation
Gain R 1
Alpha Offset
R 1 4
1
1 1
�
���
I
1 1 'i'
, ,
-C43-
.,,,,
N N
u u
I '
S
I
:;
l
'(
�
-C37-
- C44-
tl
I
-C4O-
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Figure 5· 1 4. Analog Display Driver Board (A64)
5· 1 2. CRT Alphanumeric Alignment
a. Be sure test jumper A63J3 is in the "T" position.
NOTE
Refer to Figure 5-15 for pictures of the effect of Alphanumeric
Adjustment.
Line Drawer
Gain R 6 2
b. Adjust A64R 14 (A OFS) so that the second line of alphanumeric characters is about
1 14 of one character height above the top graticule line.
c. Adjust A64R 16 (Y gain) so that the third line of alphanumeric characters is 1 14 of one
character height below the bottom graticule line.
d. Adjust A64Rl (X gain) so that the last alphanumeric character is the same distance
from the right-hand edge of the trace as the first alphanumeric character is from the left
hand edge of the trace.
e. Move the test jumper A63J3 to the
"
N
"
position. This completes the graphics and
alphanumeric adjustments.
Summary of Contents for 3585A
Page 264: ......