HP 54501A Service Manual page 54

HP 54501 A ADJUSTMENTS
4-'19. Oscillator Output Check (Optional)
Equipment Required :
Oscilloscope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 54501A
Procedure:
1 .
Connect HP 54501A rear panel AC Calibrator Output to oscilloscope.
2 . AC compensation signal is 1 .50588 kHz.
3.
Invoke SERVICE MENU by first pressing front-panel UTIL key and then selecting service
menu.
4.
Select cal select 1 with menu softkey.
5.
Select processor clock with menu softkey.
6 .
Processor clock of 19 .6608 MHz is at rear-panel AC Calibrator output .
7 .
Select timebase clk with menu softkey .
8 .
Timebase clock of 10 .1808 MHz is at rear-panel AC Calibrator output.