6
Once you have adjusted the PRO-
SW220P’s
VOLUME CONTROL
, use the
amplifier/receiver’s volume control to
control the speakers’ volume.
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FREQUENCY HZ
adjusts the level
(between 50 Hz and 200 Hz) at which the
subwoofer begins passing frequencies to
other speakers. This control’s setting
depends on the low frequency capabilities
of your satellite speakers (if used), speaker
placement, and other factors that affect
bass performance.
While playing music, rotate
FREQUENCY
HZ
clockwise until the music sounds too
bass-heavy. Then rotate it
counterclockwise until the bass sounds
more natural.
If the mid-bass sounds natural but you
want more low bass, rotate
FREQUENCY
HZ
counterclockwise a little, then rotate
the subwoofer’s
VOLUME CONTROL
clockwise by about the same amount. This
increases low-bass output without
affecting the mid-bass output.
To reduce low-bass output without
affecting the mid-bass output, equally
rotate
FREQUENCY HZ
clockwise and the
subwoofer’s
VOLUME CONTROL
counterclockwise.
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Keep the PRO-SW220P dry; if it gets wet,
wipe it dry immediately. Use and store the
PRO-SW220P only in normal temperature
environments. Handle the PRO-SW220P
carefully; do not drop it. Keep the PRO-
SW220P away from dust and dirt, and
wipe it with a damp cloth occasionally to
keep it looking new.
Modifying or tampering with the PRO-
SW220P’s internal components can cause
a malfunction and might invalidate its
warranty.
Caution:
You might permanently damage
your speakers by cleaning them with a
vacuum cleaner. Use a feather duster or a
soft loose cloth instead.
This subwoofer has been manufactured to
the specifications of RadioShack and is
covered by a limited warranty from
RadioShack. If your subwoofer is not
operating as it should, take it to your local
RadioShack store or call 1-800-THE-
SHACK for assistance.
