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Section 2: Installation & Programming
21822666 2-31
If the Room or Speaker System Requires a Trade-Off
The equalizer limits the volume of all of the audio frequencies. Therefore, to achieve the best sound for a specific
room or set of speakers, you may find that most of the graphic equalizer controls need to be turned down. In this
situation, the overall phonograph volume may not be adequate. If you find that you have this situation, increase each
graphic equalizer control slightly until the phonograph produces the required volume.
Procedures for Adjustment
Select one of the Room Acoustics that most closely matches the acoustics of your room and follow the instructions
for that room type. If your room is an average or moderately absorbent room, or you like the sound of the
phonograph, you can use the factory settings just the way they are.
Soft and Highly Absorbent Rooms
Rooms with carpet and drapery are considered to be “soft and
highly absorbent.”
1. Turn all seven right channel and seven left channel graphic
equalizer controls fully counterclockwise.
2. Turn the 46 and the 108 Hz controls to the position
midway between the maximum and the minimum position
as shown to the right. Leave all of the other controls turned
all the way counterclockwise.
3. The controls on the equalizer should now be set as shown
to the right.
4. Play a selection and turn the controls slightly (no more than
1/8 of a turn at a time) until the sound is acceptable. Be sure
that the phonograph volume is adequate. If the volume is
not adequate, turn each control up (counterclockwise)
slightly until the volume is satisfactory.
Remember: The maximum volume setting is obtained
when all controls are turned full counterclockwise.
Figure 2-9A. “Soft” Rooms
GRAPHIC EQUALIZER
RIGHT CHANNEL
0
0
0
0
0
0
0
H
L
MUSIC LEVEL
DURING PAGING
15.8KHZ
10.8KHZ
3.43KHZ
343HZ
108HZ
1.08KHZ46HZ
CD INPUT
STEREO
AVC ON
IN
OUT
GROUND
OUT
IN
AUX
MONO
AVC OFF
MICROPHONE
INPUT
1
13
VOLUME
CONTROL
0
0
0
10.8KHZ
3.43KHZ
1.08KHZ
0
0
0
343HZ
108HZ
46HZ
15.8KHZ
LEFT CHANNEL
GRAPHIC EQUALIZER
CD INPUT
1183S