Display Level; Bass (20–140 Hz); Mid-Range (400–2,600 Hz); High End (5,200–20,000 Hz) - RCA 10---Band Stereo Graphic Equalizer Service Manual

31-5001.fm Page 4 Thursday, September 23, 1999 8:19 PM
You modify each channel's sound by moving
the slide controls up or down. Each slide
control affects a small range of frequencies.
The frequency marked below a slide control
is the mid-point of the band affected by that
control.
To boost a frequency band's level, slide the
control above . To cut the level, slide
0 dB
the control below . If you do not want
0 dB
to change the sound level of a frequency
band, leave its control set to
The following information groups the
frequency bands into five ranges. This
information can help you adjust the sound
for the desired effect.
Bass (20–140 Hz)
Example: Bass drum
Use these controls to enhance the music's
low tones or to reduce rumble, acoustic
feedback, and other low-frequency noise.
Mid-Bass (140–400 Hz)
Example: Bass guitar
Boost the frequencies in this range if the
sound is too thin. Cut these frequencies if
the sound is muddy or boomy.
4
Mid-Range (400–2,600 Hz)
Example: Most deep vocals
Changes in this range cause the greatest
effect. The best settings for this range vary
depending on the type of music.
Upper Mid-Range (2,600–5,200 Hz)
Example: Most high vocals
Boost these frequencies to brighten the
.
0 dB
sound. Cut these frequencies if the sound is
harsh.
High End (5,200–20,000 Hz)
Example: Piccolo
Boost these frequencies to enhance the
brilliance of the music. Cut these
frequencies if the sound is piercing. You can
5
also cut these frequencies to filter high-
frequency noise.
0
D D D D i i i i s s s s p p p p la la la lay y y y L L L L e e e e v v v v el el el el
The
relative sound level of each frequency band.
The highest and lowest sound levels might
not fully appear.
If necessary, slide
view low sound levels or down to view the
peaks of high sound levels.

DISPLAY LEVEL

Slide Control
shows the
SPECTRUM DISPLAY
DISPLAY LEVEL
up to