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Attaching and detaching the speaker grilles
This speaker system uses detachable grilles. Use the
following method to attach or detach the grilles.
1. While holding the left (or right) side edge of the speaker
grille with your both hands, pull it gently toward you to
remove the bottom of the grille.
2. In the same way, gently pull the right (or left) side edge of
the speaker grille toward you to remove it from the main
unit.
3. To replace the grill, push the projections at the corners into
the grille plug holes on the speaker cabinet.
Use with a TV set
In general, Braun tubes used for color television sets, etc. are
extremely sensitive and can be affected even by the
magnetism of the earth. If a speaker system is used near
them, therefore, discoloration or distortion of pictures will
occur. To allow use with color television sets, etc., this speaker
system is provided with magnetic shielding.
Even so, discoloration may still result, depending on the
installation environment. If discoloration occurs, turn off the
power of the television set, wait for 15 to 30 minutes and then
turn it on again. This activates the self-demagnetizing function
of the television set, improving the display condition. If
discoloration persists even after performing this remedy, move
the speaker apart from the television set. Discoloration may
also be caused when a magnet or other magnetizing object
exists near the television because of the combined effect.
Speaker care
Your Onkyo speakers are finished with a high quality covering
that serves to protect the wood speaker cabinet.
Wipe the cabinet periodically with a dry, silicon-embedded or
plain soft cloth.
The covering may be cleaned with a soft cloth moistened with
water and a mild soap. Avoid the use of furniture polishes or
harsh cleansers. Use a soft brush or hand vacuum cleaner to
remove dust and lint from the grille material.
Natural wood finished cabinets
The cabinets are finished with a natural wood surface. They
have a unique wood grain pattern. Your cabinets have their
own raw beauty and uniqueness which is unlocked from the
tree; this is depicted by the cross-grain patterns with dark and
light coloring. You can enjoy Onkyo’s craftsmanship not only
when designing for the best sound quality, but to assimilate
natural blessings for the visual senses. The paint and finishing
work of the cabinets are conducted under the strictest quality
control standards.
Placement
For better-quality sound, observe the following precautions
when you install the speaker system:
• Placing the speaker system on several small-diameter
supports generally results in better sound than placing it
directly on a wide installation surface. Also note that high
quality bass cannot be obtained if the speaker system is
unstably positioned. Always use the cork spacers or thin
metal discs (such as coins) to seat the speaker stably.
D-407C Center Speaker
Place the D-407C as close as possible to your television set,
for example, above or below the television set. Be sure to set
the D-407C firmly on the television set or other equipment so
that it cannot slip and fall. This is especially important if you
have small children. If the D-407C is to be placed on a
television set, be sure that:
• The supporting area of the TV is larger than that of the D-
407C.
• The TV's support surface is flat and level.
• The TV is not placed on an unstable support.
Attach the circular cork pieces as slip stopper onto the bottom
surface of the speaker. And you can secure the cabinet to the
wall, etc. by using a durable cord with cup hooks: Find a hole
on the either side of backside the speaker, and screw into
each hole the cup hook of about 4 mm in diameter and 15 mm
long, and then secure the speaker to the wall, etc. with the
cord. Place the speaker with the sloping side up, unlike in the
case when placed in lower location.
Circular cork pieces Durable cord
Cup hook,
about 4 mm in
diameter and
15 mm long
Secure the
cabinet to
the wall, etc.
D-407C
2
1
To detach the speaker
grille, pull it gently at the left
and right side edge.