HP 54721A User Reference page 6

In this book
This book is a User's Reference for the HP 54721A Amplifier Plug-in.
The book contains three chapters:
Chapter 1, "Channel Setup Menu," takes you through the channel
setup menu and gives you a description of each softkey.
Chapter 2, "Specifications and Characteristics," lists the system
specifications and characteristics of this plug-in when it is combined
with a mainframe.
Chapter 3, "In Case of Difficulty," gives you a few simple checks that
you can make in case the piug-in does not appear to be operating
properly.
For HP-IB programming information, refer to the Programmer's
Reference supplied with the mainframe, and for service information
refer to the Service Guide.
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