Keithley SourceMeter 3A 2420, Service Manual

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Manual Print History
The print history shown below lists the printing dates of all Revisions and Addenda created
for this manual. The Revision Level letter increases alphabetically as the manual undergoes sub-
sequent updates. Addenda, which are released between Revisions, contain important change in-
formation that the user should incorporate immediately into the manual. Addenda are numbered
sequentially. When a new Revision is created, all Addenda associated with the previous Revision
of the manual are incorporated into the new Revision of the manual. Each new Revision includes
a revised copy of this print history page.
Revision A (Document Number 2420-902-01) ................................................................ April 1997
Addendum A (Document Number 2420-902-02)............................................................. April 1997
Revision B (Document Number 2420-902-01) ..................................................................July 1998
Revision C (Document Number 2420-902-01) ............................................................ January 1999
Revision D (Document Number 2420-902-01) ................................................................. June 2000
Revision E (Document Number 2420-902-01) ............................................................October 2001
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