Display Adjustment; Display Adjustment Setup - HP 8560A Service Manual

2. Display Adjustment

Assembly Adjusted
A2 Controller
Al7 CRT Driver
Related Performance Test
Sweep Time Accuracy (Sweep Times <30 ms)
Description
Coarse adjustment of the deflection amplifiers, Z-axis amplifiers, and line generators is done
using the CRT adjust pattern. Fine adjustments use the graticule. The fast zero-span
amplitude adjustments correct for differences between
displayed sweep time accuracy is adjusted in the fast zero-span sweep adjustments.
Equipment
10 dB VHF Step Attenuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Photometer/Radiometer
Adapters
Type N (m) to BNC (f) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1250-1476
Cables
required) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BNC, 122 cm (2
2-14 Adjustment Procedures
B N C C A B L E
Figure 2-2. Display Adjustment Setup
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
analog
and digital display modes. The
SPECTRUM
ANALYZER
HP 355D
TEK JlG-TV
HP 10503A