Pioneer RS-A9 - Manual (Page 7)

Before Using This Product
About This Product
This product is digital integrated amplifier which can be operated with the combined head
unit RS-D7R (sold separately). You can operate a number of Audio Adjustment functions
with separately sold head unit.
About This Manual
This product features a number of sophisticated functions ensuring superior reception and
operation. All are designed for the easiest possible use, but many are not self-explanatory.
This operation manual is intended to help you benefit fully from their potential and to
maximize your listening enjoyment.
We recommend that you familiarize yourself with the functions and their operation by
reading through the manual before you begin using this product. It is especially important
that you read and observe the “Precaution” on page 9 and in other sections.
This manual mainly explains the remote control operation. In some functions, you can per-
form the same operations with the head unit, however, the remote control offers a number
of buttons such as SHIFT, MENU, RETURN and FUNCTION buttons 1–6 which are not
provided on the head unit. And all of audio adjustment operations can only be conducted
with the remote control.
About the Digital Network
A vehicle, unlike the home audio, imposes several constraints upon the quality of repro-
duced sound, and have the following effects:
• Reflected sounds have strong effects on direct sounds because of the confined space and
complex shape within a vehicle. This disturbs frequency characteristics and significantly
reduces sound quality.
• The orientation of the sound image becomes unnatural, because speakers may not be
installed symmetrically to left and right of the listener, or because speakers are installed
in both the front and rear.
This system is equipped with a wide variety of functions that use DSP to create the ideal
sound quality and sound image in a vehicle and overcome these constraints on reverbera-
tion.
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