Calibration Overview
Mainframe Calibration
NOTE
There is a switch on the back panel of the instrument that allows the mainframe calibration to be
enabled or disabled. The rear panel includes a drawing showing each switches function and protected
position.
To prevent access to the mainframe calibration switch, place a sticker over the access hole to
this switch.
Refer to the optional
HP 83480A, 54750A Service Guide
for more details about the mainframe
calibration, and the position of the rear-panel memory protect switches.
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