HP 8562E - Page 59

2. Display Adjustment
A2R215
A2R263
AZR262 AZR268
DGTLY GAlN START BLANK
STOP BLANK
VIDEO GAIN
AZR206
DGTLY GAIN
Figure 2-4. A2 Display Adjustment Locations
SK14
Fast Zero Span Adjustments
22. Set A2R209 SWEEP OFFSET, A2R218 VIDEO OFFSET, and A2R268 SWEEP GAIN
to midrange. Adjustment locations are shown in Figure 2-4 for these A2 adjustments.
23. Set the HP 355D to 30 dB attenuation.
24. Press (PRESET) on the spectrum analyzer,
and connect the equipment as shown in
Figure 2-2. Set the spectrum analyzer controls as follows:
Centerfrequency
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..300MHz
Span
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . OHz
Reference level
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 dBm
Resolution bandwidth
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 kHz
Videobandwidth
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300Hz
Sweep time
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50ms
Adjustment Procedures 2-19