To Adjust The Display - HP 54645A User's And Service Manual

Testing, Adjusting, and Troubleshooting

To adjust the display

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
Digital multimeter
Connect the digital multimeter to the end of R901, which is closest to
1
the fuse.
2
Adjust B for 14.00 V.
Press
3
Self Tst Menu
Adjust V.HO (vertical hold) for vertical synchronization.
4
Set the intensity control (on the front panel) to mid-range.
5
Adjust Sub Bri (sub bright) to the lowest setting so that the
6
half-bright blocks on the display are visible.
Increase the intensity control to a comfortable viewing level.
7
This is usually about 3/4 of its maximum range.
7-38
Critical specifications
Accuracy 0.05%, 1 mV resolution
. Press
Print/Utility
and .
Display
Recommended
Model/Part
HP 34401A
, then
Service Menu