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Adjusting the sound
ACOUSTIC
PRESENCE
Indicator
ACOUSTIC
PRESENCE
BASS
TREBLE
BALANCE
1 Adjust left and right speaker bal-
ance.
Turn BALANCE control to “L” to
lower the volume level of the
right speaker, or “R” to lower the
volume level of the left speaker.
BALANCE
LR
2 Adjust low frequencies.
Turn BASS control to “+” to rein-
force the level of the low frequen-
cies, or “–” to attenuate it.
There is no low frequency control at the cen-
ter position.
BASS
3 Adjust high frequencies.
Turn TREBLE control to “+” to re-
inforce the level of the high fre-
quencies, or “–” to attenuate it.
There is no high frequency control at the
center position.
TREBLE
Adjusting the super bass sounds
Acoustic Presence is increases the richness and
depth of the sound by enriching the super bass
sounds.
Press ACOUSTIC PRESENCE on the unit
or remote control.
Each press changes the mode as follows:
The indicator turns off.
The indicator lights up in
orange. A minor presence effect
is applied.
The indicator lights up in green.
A stronger presence effect is
applied.
1
OFF
2
or
The indicator
ACOUSTIC
PRESENCE
OFF/1/2
PRESENCE
ACOUSTIC
STANDBY/ON
PHONES
STANDBY
A-905X
INTEGRATED STEREO AMPLIFIER
TREBLEBASS BALANCE
POWER
OFF/1/2
LR
PRESENCE
ACOUSTIC
CD MD TUNER
LINE-1/ DVD
TAPE
LINE-2
SOURCE DIRECT
DIRECT
DIRECT
TONE
INPUT
ON OFF
VOLUME
WIDE RANGE AMP TECHNOLOGY
POWER
CLOCK CALL
TUNER
PRESET
SLEEP
FM AM
REPEATSCROLL
PLAY MODE
CLEAR
REC
REPEATRANDOM
MEMORYCLEAR
TIMER
1
ACOUSTIC
PRESENCE
DVD
2
DISC
CD/MD
EFFECT
PAUSE/STEP
3
456
UP/DOWN
789
ENTER - - / - - - 10/0 MUTING
VOLUME
G.EQUALIZER
TAPE
MODE
INPUT SELECTOR
MD
CD
RC-398SREMOTE CONTROLLER
Press SOURCE DIRECT on the unit
You can select input signals using the SOURCE
DIRECT knob.
DIRECT: A signal selected via the Input Selector
will bypass the BASS, TREBLE, and BAL-
ANCE controls, enabling you to enjoy a
sound very close to the original.