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L+R: Press this button to equalize left and right channels
simuitaneously at the same step.
The built-in indicator lights. In the equalizer display,
both yellow (left channel)
and
red (right channel)
indicators are lit.
@ UP/DOWN (equalizer level adjust) buttons
These
buttons
correct
each
frequency
band
of the
graphic equalizer display.
@ Graphic equalizer display
This indicates the curves of automatic equalization and
adjustment
with
the
equalizer.
The
yellow
indicator
shows the left channel level, and the red the right chan-
nel level. One graduation is 1dB when the +6dB button
of EQ LEVEL selector is being pressed, and 2dB when
the +12dB button is being pressed.
@ LEVEL indicator
This shows the output level of the LINE OUT jacks.
Usually, set so that all the indicators are lit (dB gain).
This shows the sound volume when the SEQ-555ES is
used as an audio system selector.
© AEQ (automatic equalization) indicator
This indicator
blinks when
the level is too low in the
sound field measurement and a signal of 1kHz does not
reach the —5dB white line. In this case, increase the
amplifier
volume
gradually
so
that
the
signal
ap-
proaches the white line.
This indicator remains lit for one minute after the sound
field is measured by pressing the START button.
If the START button is pressed again while this indicator
is lit, the value averaged with the last measurement is
input as a data.
© REAL TIME ANALYZER display
This is a 10-division real time analyzer, and the frequen-
cy band is the same as that of the graphic equalizer. It
indicates the acoustic energy of sound field picked up
by the microphone at sound field correction, and the
acoustic energy of left and right channels of program
source at adjustment with the equalizer.
The —5dB white line (thick line) shows the optimum level
at equalization.
For music
playback,
an
environment
where the external noise measured at sound field correc-
tion is lower than —5dB
is required.
@ FIXED MEMORY keys
These
keys
access
the equalization
curves
for three
kinds of music memorized. When the key is pressed, the
corresponding built-in indicator fights.
A: Effective for jazz and rock
B: Effective for female vocal
C: Effective for classical and mood music
FLAT: The equalizer frequency response becomes flat.
@ INPUT SELECTOR buttons
These buttons select the input required.
The indicator of the pressed button lights.
SEQ-555ES
SEQ-555ES
LINE: Press this button to listen to the program source
selected by the amplifier connected to the LINE IN
jacks.
AUX 1, 2: Press these buttons to listen to the program
source connected to AUX 1 and 2 jacks.
TAPE
1: Press
this button
to listen to the tape deck
connected to the TAPE
1 jacks.
TAPE
2: Press
this button
to listen to the tape deck
connected to the TAPE 2 jacks.
@® EQUALIZATION selector keys
These keys select the output to be equalized.
The indicator of the pressed key lights.
AEQ:
Press this key to carry out equalizer adjustment
after adjustment of sound field.
Press
the AEQ
key for normal
playback
through
speakers.
LINE OUT: Press this key to equalize the program source
to be listened to.
As sound
field correction
is not added, press the
LINE OUT button for playback through headphones
or for comparing two pairs of speakers.
OFF: Press this key when making no equalization.
When
the OFF
key is pressed,
the indicator and
graphic equalizer display related to the equalization
go out.
REC OUT: Press this key to equalize only the signal to be
recorded,
without
equalizing
the current
program
_ source. Press the REC OUT key, and select the pro-
gram
source
to be recorded
by pressing
the cor-
responding button of the REC OUT SELECTOR.
® REMOTE SENSOR
The infrared beam transmitted by the supplied remote
commander
is received here.
@® Remote control signal indicator
This lights when the power cord is connected to a wall
outlet, indicating the unit is ready to accept the remote
control signal. It goes out when the POWER
switch is
pressed
to turn on.
It lights when
the remote
control
signal is received.
@® MEMORY keys
Press these keys to memorize the equalization curves.
SET: Press this key after the equalization
curve to be
memorized
is determined.
The
built-in
indicator
lights for a few seconds. Memorize the curve during
this period
by pressing
the corresponding [1] - [4}
keys.
[4]: Press these keys to memorize the required
equalization curve, or recall the memorized curve.
@ REC OUT SELECTOR buttons
These buttons select the program source applied to the
REC OUT jacks on the rear panel.
LINE OUT: Press this button to record the current sound
as it is.
LINE: Press this button to record the source selected by
the amplifier connected to the LINE IN jacks.
—5—
@® AUTO EQ MIC jack (minijack)
Connect the supplied microphone for sound field meas-
uring to this jack.
Rear panel
The photo shows type 2 model.
(41)
21
mm
Ob
@
REAR PANEL
@ LINE IN jacks
Connect
these jacks to the tape output
jacks of the
amplifier.
@ LINE OUT jacks
Connect
these
jacks
to the tape
input
jacks
of the
amplifier.
@ AUX 1, 2 (auxiliary 1, 2) jacks
Connect these jacks to the audio output jacks of a CD
player, etc.
@ TAPE RECORDER 1 REC OUT jacks
When
only one tape deck
is connected
for recording,
connect these jacks to the fine input jacks of the deck.
@ TAPE RECORDER 1 TAPE jacks
When only one tape deck is connected for playback, con-
nect these jacks to the line output jacks of the deck.
To play a Hi-fi video, connect these jacks to the audio
line output jacks of the video.
@ TAPE RECORDER 2 REC OUT jacks
When two tape decks are connected for recording in the
second deck, connect these jacks to the line input jacks
of the deck.
@ TAPE RECORDER 2 TAPE jacks
When two tape decks are connected for playing in the
second
deck,
connect
these
jacks to the line output
jacks of the deck.
@® AUTO EQ START button
Press this button to generate a pink noise from the built-
in pink noise generator for sound field adjustment. When
the sound
field measuring
microphone
is connected,
this button can be actuated. The pink noise is radiated
from the left channel speaker, and then the right channel
speaker. This pink noise is picked up by the microphone
and input as a sound field data.
@® Level UP/DOWN button
When the SEQ-555ES
is used as a system selector, this
button
is used
for volume
adjustment. The amplifier
volume should be set to an attenuation of 20-30dB.
27
(4)
@ BEEP (remote control signal) switch
When this switch is set to the ON position, a beep tone
is emitted when the button of the supplied remote com-
mander is pressed. If a point of over 8dB is included in
the indication of +12dB, switching to +6dB is not ac-
cepted and the beep tone is generated even if the +6dB
button
is pressed. Set this switch to the OFF position
when the beep tone is unnecessary.
@ AC OUTLETS (US, Canadian only)
These outlets are used for connecting the power cords
of compact disc player, tuner, tape deck and other pro-
gram sources. When the power cord of the equipment to
be connected
has a white mark indicating the polarity,
connect the power cord so that the white mark comes to
the left side of the outlet.
SWITCHED:
This
outlet
interlocks
with
the
POWER
switch of the program equalizer: the power on/off of
the connected equipment can be controlled by the
POWER switch of the program equalizer, when the
power switch of the connected equipment is set to
ON.
This is convenient when the program source to be
played frequently is connected
to this outlet. The
total power consumption is 450W.
UNSWITCHED:
This outlet provides power irrespective
of whether
the
POWER
switch
of the program
equalizer is ON or OFF. Connect equipment with a
power
consumption
of 450W
maximum
to this
outlet.
@ Power cord
—6§—
AUTO
ADJU
& &
a
7
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Press
and &
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Conn
Place
Press
Pir
sys
inc
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