Fluke 5520A Operator's Manual page 87

environment. There are two zeroing functions: total instrument zero (ZERO) and ohms-
only zero (OHMS ZERO).
Complete the following procedure to zero the calibrator. (Note: The 5520A Calibrator
rear-panel CALIBRATION switch does not have to be enabled for this procedure.)
1. Turn on the Calibrator and allow a warm-up period of at least 30 minutes.
2. Press the R key.
3. Press the S key, opening the setup menu (below).
5. Press the CAL softkey, opening the calibration information menu (below).
6. Press the CAL softkey, opening the calibration activity menu (below). SCOPE CAL
appears as an option if it is installed.
7. Press the ZERO softkey to totally zero the 5520A Calibrator; press the OHMS
ZERO softkey to zero only the ohms function. After the zeroing routine is complete
(several minutes), press the R key to reset the calibrator.
Front Panel Operation
Zeroing the Calibrator
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