To Adjust The Display (Hp 54615B/16B Only) - HP 54616B User And Service Manual

To adjust the display (HP 54615B/16B only)

There are no adjustments on the HP 54616C color display – if the display fails,
replace the display assembly.
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 4-12 Equipment Required
Equipment
Digital multimeter
Connect the digital multimeter to the end of R901 closest to the fuse.
1
See figure next page.
Adjust +B for +14.00 V.
2
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 half
6
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.
Critical specifications
Accuracy ±0.05%, 1 mV resolution
. Press the
Print/Utility
softkey, and then the
Adjusting the Oscilloscope
Recommended
Model/Part
HP 34401A
softkey, then the
Service Menu
Display softkey.
Service
4–29