Introduction to this Manual
This is the primary operator’s manual for the Portable One Plus
Access. It describes all of the instrument’s features and functionality.
Audio Precision makes every effort to make the instrument simple and
easy to use. However, some background in audio testing may be
necessary in order to understand all aspects of this manual and the
functionality of the Portable One Plus Access.
The first chapter is a basic introduction to the instrument and this
manual. It includes a section on symbols which are used for your
safety and the table of contents.
The second chapter explains how to set up the instrument. This is the
place to start if you want to get up and running right away.
The third chapter discusses the external connections to the Portable
One Plus Access. You will want to read this section for instructions on
connecting to the device-under-test, printers, oscilloscopes, or other
equipment.
The fourth chapter is about operating the instrument. It describes the
buttons and knobs, the information shown on the display, and how to
control every aspect of the instrument.
The fifth chapter is about applying the Portable One Plus Access to
specific real-world situations. If you are involved in any of the
situations listed in this chapter, you may find some useful hints.
The sixth chapter contains technical diagrams of the internals of the
instrument. While not necessary to operate the Portable One Plus
Access, these diagrams may allow advanced users to apply it more
intelligently and understand its limitations.
Appendixes include a quick reference to available units, instructions on
changing the option filters, audible monitor source and AC mains
voltage, instructions for running the instrument’s self test, and complete
instrument specifications.
& This symbol is
used throughout
this manual to
direct you to more
information on
related topics.
Portable One Plus Access User's Manual ix
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