Specifications

To adjust the display
The display adjustments are optional and normally do not require
adjustment. You should use this procedure only for the few cases when the
display is obviously out of adjustment.
Table 7-16
Equipment Required
Equipment Critical specifications Recommended
Model/Part
Digital multimeter Accuracy
±
0.05%, 1 mV resolution HP 34401A
1
Connect the digital multimeter to the end of R901, which is closest to
the fuse.
2
Adjust
+
B for
+
14.00 V.
3
Press
Print/Utility
. Press
Service Menu
, then
Self Tst Menu
and
Display
.
4
Adjust V.HO (vertical hold) for vertical synchronization.
5
Set the intensity control (on the front panel) to mid-range.
6
Adjust Sub Bri (sub bright) to the lowest setting so that the
half-bright blocks on the display are visible.
7
Increase the intensity control to a comfortable viewing level.
This is usually about 3/4 of its maximum range.
Testing, Adjusting, and Troubleshooting
To adjust the display
7-38