HOW TO USE THIS MANUAL
Details procedures to verify that the instrument meets
stated specifications.
SECTION 1
Performance Verification
Describes basic operating principles for the various circuits in
SECTION 2
the Model 3940.
Principles of Operation
Covers fuse replacement, calibration and repair of the instru-
SECTION 3
ment, and lists replacement parts.
Service Information
WARNING
The information in this manual is intended for qualified serv-
ice personnel who can recognize possible shock hazards. Do
not attempt these procedures unless you are qualified to do so.