The Extended Calibration menu can also be
accessed via the GPIB (General Purpose Interface
Bus). See "Extended Calibration" in Appendix Band
the GPIB information in Appendix A of the 2430
OperatorsManual for further information.
NOTE
of a Self Calibration only, without performance of either of
the other two subsections, does not require the removal of
the jumper or cabinet.
5-2
Both the Internal Adjustments and External Calibration
subsections require enabling the EXTENDED CALIBRA-
TION menu. Since the internal calibration constants stored
by the 2430 can be altered by the user if the EXTENDED
CALIBRATION menu is enabled, this menu is disabled by
the installation of an internal jumper. REINSTALLATION
OF THE INTERNAL JUMPER TO PREVENT INADVER-
TENT ALTERING OF INTERNAL CALIBRATION CON-
STANTS BY USERS IS RECOMMENDED. Performance
PRESERVATION OF INSTRUMENT
CALIBRATION
Adjustment Procedure-2430 Service