User guide

ix
About This Manual
This manual covers the operating and maintenance instructions for the follow-
ing models:
Changes to this Manual
We have made every effort to ensure this manual is accurate. If you discover any
errors, or if you have suggestions for improving this manual, please send your
comments to our Solon, Ohio factory. This manual may be periodically updated.
When inquiring about updates to this manual refer to the part number and revi-
sion on the title page.
Literature Contents
Chapter Layout
Introduction — Describes the features of the 43 Wattmeter, lists equipment
supplied and optional equipment, and provides power-up instructions.
Theory of Operation — Describes how the 43 Wattmeter works and
Installation — Describes how to set up and prepare the 43 Wattmeter for use.
Operation - All instructions necessary to operate the equipment appears in
this chapter.
Maintenance — Lists routine maintenance tasks as well as troubleshooting for
common problems.
Model Differences — Describes how each indivdual models vary from
each other.
Specifcations — Specifications and parts information are included in this
chapter.
43 43P 4301 4305A 4431 4527
4521 4522 4526