Technical data

86 34405A User’s and Service Guide
4 Performance Tests and Calibration
Using the Front Panel for Adjustments
This section describes the process used to perform adjustments from the
front panel. Refer to the 34405A Programmer's Reference online help for
remote interface commands.
Selecting the Adjustment Mode
Unsecure the instrument see “Unsecuring the Instrument for
Calibration” on page 83. Once unsecured, the display CAL annunciator
illuminates to indicate you are in Adjustment Mode.
Entering Adjustment Values
In the DMM adjustment procedures, to enter an input calibration value
from the front panel:
Use the edit keys to select each digit in the Secondary
display.
Use the up and down arrow keys to advance through the
digits 0 through 9.
Press when done.
Aborting a Calibration in Progress
Sometimes it may be necessary to abort a calibration after the procedure
has already been initiated. You can abort a calibration at any time by
pressing:
The calibration will be aborted, the primary display will show FAIL and
Error 705, CAL Aborted will occur.
Store
Recall
Store
Recall
Limit
Edit
Disp
Enter
Shift