Calibration Error Messages - Agilent Technologies 66319B User Manual

B - Performance, Calibration, and Configuration
Agilent 66321D, 66319D DVM Calibration
Action
51. Connect the DVM inputs directly to output 1. Connect the external DMM to
the DVM inputs as shown in figure B-1e. Do not connect the Agilent 3478
DMM.
Press Shift Cal, scroll to CAL DVM, and press Enter.
52.
Press Shift Cal, scroll to CAL LEV, and press Enter to select the first
53.
calibration point.
54. Press Shift Cal, scroll to CAL DATA, press Enter Number, and enter
the voltage value displayed on the external DMM. Numbers entered from
the external DMM should have an accuracy and resolution of 0.1 mV or
better. Press Enter.
55. Reverse the output 1 connections. Move the - lead to the + DVM connector
pin, and move the + lead to the - DVM connector pin.
56. Press Shift Cal, scroll to CAL LEV, use
calibration point), and press Enter.
57. Press Shift Cal, scroll to CAL DATA, press Enter Number, and enter
the second voltage value displayed on the external DMM. Numbers entered
from the external DMM should have an accuracy and resolution of 0.1 mV
or better.
Because this second value is negative, you must place a minus sign in front
of the value. Pressing the Enter Number key the second time enters the
minus sign. Then press Enter.
Saving the Calibration Constants
WARNING:
Storing calibration constants overwrites the existing ones in non-volatile memory. If you
are not sure you want to permanently store the new constants, omit this step. The dc
source calibration will then remain unchanged.
Action
58. Press Shift Cal, scroll to CAL SAVE, and press Enter.
59. Press Shift Cal, select CAL OFF, and press Enter to exit Calibration mode.
*RST and *RCL will also set the calibration state to OFF.

Calibration Error Messages

Errors that can occur during calibration are shown in the following table.
Error
401 CAL switch prevents calibration (contact the factory for details).
402 CAL password is incorrect
403 CAL not enabled
404 Computed readback cal constants are incorrect
405 Computed programming cal constants are incorrect
406 Incorrect sequence of calibration commands
158
to scroll to P2 (the second
Table B-3. GPIB Calibration Error Messages
Meaning
Display
CAL:DVM
CAL:LEV P1
CAL:DATA 0.00
CAL:LEV P2
CAL:DATA −0.00
Display
CAL:SAVE
CAL OFF