Sony SEQ-555ES - Page 6

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AUX 1, 2: Press this button to record from the program
source connected to the AUX jacks.
TAPE 1 — 2: Press this button to copy from tape deck 1
to tape deck 2.
TAPE 2 — 1: Press this button to copy from tape deck 2
to tape deck 1.
@® 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.
@® 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.
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 tine 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 fine output
jacks of the deck.
@ 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—
AUTOMATIC SOUND FIELD
ADJUSTMENT
Amplifier
ee
| @-- 000+ 0 6!
AEQ indicator
1 Press the POWER switches of the program equalizer
and amplifier.
2 Set the volume level of the amplifier slightly higher
than that for normal listening.
Connect the microphone to the MIC jack.
Place the microphone at your listening position.
5 Press the START button.
Pink noise is first emitted from the left speaker
system and its level gradually increases. The AEQ
indicator flickers. When the pink noise level
reaches the reference level of -5dB, the AEQ indi-
cator steadily lights and noise is emitted for about
2 seconds. Then, pink noise is emitted from the
right speaker system for about 2 seconds.
6 Even when pink noise stops, the AEQ indicator re-
mains lit for about 1 minute.
After the AEQ indicator goes out, press the START
button again.
7 Repeat step 6 at least once more.
mw
Each time the data is obtained, the built-in micropro-
cessor analyzes, compensates and memorizes the
measured data.
Press the AEQ key to recall the compensated sound field
data.
SEQ-555ES
The graphic equalizer display indicates the sound field
adjustment curve at the place at which the microphone
is placed. After second adjustment, the measured data
is added with the previous data.
To carry out automatic sound field adjustment effec-
tively, obtain the data at least 3 times at the same posi-
tion.
Data can be compensated and measured up to 16 times.
More than 16 measurements cannot be accessed while
the AEQ indicator remains lit. To resume adjustment,
wait until the AEQ indicator goes off or turn the power
off and on again.
When automatic sound field adjustment is completed,
return the amplifier volume contro! to the normal listen-
ing position.
To observe the actual sound characteristics at your
listening position
Press the CHARACTER button. The equalization curve is
inverted to display the actual sound characteristics at
your listening position. With this operation, you can see
the sound characteristics of the audio system and
listening room.
Notes
@ Be sure to carry out automatic sound field adjustment
before playing back the sound source. If the START but-
ton is pressed while playing the sound source, the
acoustic energy remaining from the played sound
source is added to the pink noise and correct sound field
adjustment is not possible.
@ When the level of the emitted pink noise is insuffi-
cient, the AEQ indicator remains flickering. In this case,
increase the amplifier volume level.