Self Calibration - HP 54501A Service Manual

HP 54501A ADJUSTMENTS
4-17. Self Calibration
Equipment Required:
BNC Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 10503A
Procedure :
NOTE
Rear panel CALIBRATION switch must be in UNPROTECTED position for
this procedure. If entire adjustment procedures are being performed, switch
was set to UNPROTECTED position in previous procedure.
1 .
Perform keydown powerup by cycling HP 54501A power while holding down any front-panel
key .
2.
Select UTILITY menu by pressing front-panel UTIL key .
3 .
Select self cal menu with menu softkey and SELF CAL MENU will be displayed .
4.
Select cal select 0 to perform the vertical self calibration .
NOTE
Perform vertical calibration on all channels at one time with BNC tees and
connectors or one at a time in the channel order of : 1, 4, 2, then 3.
5.
Select start cal with menu softkey and messages will be displayed to complete calibration .
Vertical calibration takes approximately 7 minutes to complete .
6.
Connect the BNC cable to the next channel to be calibrated and repeat step 4 until all chan-
nels have been calibrated .
7.
Select cal select 1 to perform the delay calibration on each channel .
8.
Messages will be displayed as each calibration routine is completed to indicate calibration has
passed.