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Place the subwoofer (MHC-GNZ9D
only), then press SUBWOOFER ON/
OFF on the subwoofer.
To obtain a better bass reproduction, we
recommend you to place the subwoofer on
a solid floor where resonance is unlikely to
occur.
Notes
• Do not place the surround speakers on top of a TV.
This may cause distortion of the colors in the TV
screen.
• Always place the subwoofer vertically, keeping it a
few centimeters away from the wall.*
• If the subwoofer is placed in the center of a room, the
bass could be extremely weakened.* This is due to
the influence of the standing wave of the room. If this
happens, move the subwoofer away from the center
of the room or eliminate the cause of the standing
wave, by placing a bookshelf against the wall, etc.
* MHC-GNZ9D only
To install the surround
speakers on the wall
(MHC-GNZ8D only)
1
Prepare screws (not supplied) that are
suitable for the hole on the back of each
speaker. See the illustrations below.
2
Fasten the screws to the wall.
The screws should protrude 5 to 7 mm.
3
Hang the speakers on the screws.
Notes
• Use screws that are suitable for the wall material and
strength. As a plaster board wall is especially fragile,
attach the screws securely to a beam and fasten them
to the wall. Install the satellite speakers on a vertical
and flat wall where reinforcement is applied.
• Contact a screw shop or installer regarding the wall
material or screws to be used.
• Sony is not responsible for accident or damage
caused by improper installation, insufficient wall
strength or improper screw installation, natural
calamity, etc.
Speaker settings (MHC-GNZ9D/
GNZ8D only)
To enjoy DVDs and other discs with multi-
channel sound and Dolby surround effects, the
speakers need to be adjusted. Set the distance
from the listening position to the speakers, and
the balance and level. Then use the test tone to
adjust the volume of each speaker to the same
level.
For details, see “Speaker settings” on page 43.
SUBWOOFER
ON/OFF
SUBWOOFER indicator
more than 25 mm
4 mm
4.6 mm
10 mm
Hole on the back of
the speaker
5 to 7 mm
4.6 mm
10 mm
Hole on the back of the speaker