Sony LBT-ZTX7 Operating Instructions Manual page 43

There is acoustic feedback.
• Reduce the volume.
• Move the microphone away from the
speakers or change the direction of the
microphone.
The sound from the music source has
echo effects.
• Press FLANGER, DELAY or
CHORUS repeatedly until
"FLANGER", "DELAY" and
"CHORUS" disappear from the display.
The meter pointer does not move.
• Check that "METER POINTER" is not
set to "OFF" in OPTIONS menu
(page 31).
• Check that METER MODE is not set to
"METER OFF".
• The headphones are connected to the
PHONES jack.
The meter display is turned off.
• Check that "METER POINTER" and
"METER BACKLIGHT" are not set to
"OFF" in OPTIONS menu (page 31).
• Check that METER MODE is not set to
"METER OFF".
The meter display is flashing.
• Check that "METER POINTER" and
"METER BACKLIGHT" are not set to
"FLASH" in OPTIONS menu
(page 31).
• Check that METER MODE is not set to
"EXCITE 1" or "EXCITE 2".
Speakers
Sound comes from one channel or
unbalanced left and right volume.
• Place the speakers as symmetrically as
possible.
• Check that the speaker are connected
securely and correctly.
• The source being played back is
monaural.
(MHC-GTX888 only)
There is no sound from the
subwoofers.
• Adjust the subwoofer level to the
appropriate level.
• Check that the subwoofers are
connected securely and correctly.
• Check that both subwoofer A and
subwoofer B are connected to the unit.
(MHC-GTX888/MHC-GTX777 only)
There is no sound from the surround
speaker.
• Check that the surround speakers are
connected securely and correctly.
(MHC-GTX787/LBT-ZTX7 only)
Sound lacks bass.
• Check that the speaker's + and –
terminals are connected correctly.
Disc player
The disc tray does not open and
"LOCKED" appears in the display.
• Consult your nearest Sony dealer or
local authorized Sony service facility.
The disc tray does not close.
• Load the disc correctly.
• Always close the disc tray by pressing
OPEN/CLOSE Z. Do not forcibly push
the disc tray to close it as this may cause
a malfunction.
The disc does not eject.
• You cannot eject the disc during
CD-USB Synchronized Transfer,
CD-TAPE Synchro Recording, or
REC1 Transferring. Press x to cancel
the transferring, then press OPEN/
CLOSE Z to eject the disc.
• Consult your nearest Sony dealer.
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43 GB