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Basic Operation Basic Operation
ENGLISH
20
ENGLISH
Turning the sound off temporarily (MUTING)
Press [MUTING].
You can adjust the muting level ( page 44).
Canceling MUTING mode:
To cancel the muting mode, either press [MUTING] or adjust the
volume.
Connect the headphones to
<
PHONES
>
.
No sound is produced from the speakers automatically.
NOTE:
•To prevent hearing loss, be careful not to raise the volume level
excessively when using headphones.
Listening over headphones
Switching the front speakers
Press
<
SPEAKER
>
to turn the corresponding speaker pair
on.
The front speaker A, B setting can be also be changed with
<
SPEAKER
>
.
Switching the brightness of the display
Press DIMMER.
The brightness of the display can be adjusted in three steps. The
display can also be turned off.
Checking the currently playing program source,
etc.
Press STATUS.
The current program source and various settings are indicated on
the display.
Using the surround modes
Types of surround modes and their features
The AVR-687 is equipped with many surround modes. We
recommend using the surround modes as described below in order to
achieve the maximum effect for the specific signal source.
is a 6.1-channel/7.1-channel surround mode.
Sources recorded in Dolby Digital EX
DOLBY DIGITAL EX / +PLIIx
*
( page 22)
This mode is optimized for playing sources recorded in
Dolby Digital EX.
Sources recorded in DTS-ES
DTS-ES DSCRT 6.1 / MTRX 6.1, +PLII x
*
( page 22)
This is the optimum mode for playing sources recorded in
DTS-ES.
Dolby Digital or DTS Surround (5.1 ch sources)
2 ch sources recorded in Dolby Surround
DOLBY DIGITAL / DOLBY DIGITAL+PLII x
*
/
DTS SURROUND / DTS 96/24 / DTS+PLIIx
*
/
DTS+NEO:6 ( page 22)
This mode is optimized for playing 5.1-channel or 7.1-
channel music.
For Dolby Surround recording sources, Dolby Pro Logic II
playback is conducted.
2-channel sources recorded in XM HD Surround
NEURAL SURROUND ( page 24)
This is the optimum mode for playing sources recorded in
XM HD Surround.
23


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