Using Auditioner
®
Playback System III
12
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Auditioner
®
Playback System III User Guide
Connecting an audio device to Auditioner
®
Playback System III
Figure 9
Connect the stereo cable
from your audio device to
Auditioner
®
Playback Sys-
tem III
This section describes how to connect a CD player to the Auditioner playback system. If you
wish to use Auditioner playback system with a CD player as your audio source, you will first
need to record a CD with the audio output from the Bose
®
Modeler
®
Plus software. You can
then connect a CD player to the Auditioner playback system using the steps below. Using
the Auditioner playback system calibration feature it is possible to play this recording back at
a calibrated level. (See “Using Calibrate Mode” on page 14)
To connect a CD player to the Auditioner playback system follow these steps:
1. Connect one end of the 3.5 mm stereo cable to the 3.5 mm line-in on the back of Audi-
tioner playback system.
2. Connect the other end to the headphone jack on the portable CD player.
Note: The line-in input will boost the signal from the CD player by +20 dB.
Monitoring Sound Pressure Levels
Figure 10
The Auditioner
®
Playback
System III LED display
During Auditioner playback system operation you can monitor the Sound Pressure Level
(SPL) by checking the Sound Pressure Level meter. To view the Sound Pressure Level meter,
make sure that the Auditioner playback system is not in Calibrate mode. The Calibrate
button is in the “up” position in Calibrate mode, and in the “down” position to activate the
Sound Pressure Level meter. An array of ten rectangular LEDs display the average operating
Sound Pressure Level of the system.
Note: The clip light indicator will illuminate whenever the hardware experiences an internal
overload condition. The clip LED closely relates to the physical limitations of the hardware at
different frequencies. If the clip light illuminates, turn down the source level or use different
program material.
There are two places you can view Sound Pressure Level data: in the Bose
®
Modeler
®
Plus
software, and on the Sound Pressure Level meter located on the Auditioner playback system.
These two Sound Pressure Level meters will generally show the same levels during a listening
session, however there may be a small difference due to the Playback EQ that is applied by
the Auditioner playback system.
(24 pages)
(36 pages)
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