Yamaha 900SW Manual Do Utilizador

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Before using this unit, adjust the volume balance of this unit to obtain the optimum volume and tone balance between the 
front speakers and this unit by following the procedures below.
1
Set  
POWER
 switch on the rear panel of this 
unit to the ON position, and then press 
POWER
 to turn on this unit.
The STANDBY/ON indicator lights up green.
2
Press 
VOLUME
 
 to set the volume level of 
this unit to the minimum (0).
3
Turn on the power of all other components.
4
Play back a source containing low-
frequency components and adjust the 
volume level of your amplifier to the desired 
listening level.
Set the tone control on your amplifier to the center 
position.
5
Press HIGH CUT
 
/
 to adjust to the 
position where the desired response can be 
obtained.
Normally, set the position to a level slightly higher 
than the minimum frequency of the front speaker.
* To find out the minimum frequency of the front 
speaker, refer to the owner’s manual of the front 
speaker.
6
Press 
VOLUME
 
 to increase the volume 
gradually to adjust the volume balance 
between the front speaker and this unit.
Normally, set the volume to a level where you can 
obtain a little more bass effect than when this unit is not 
used.
y
If you cannot obtain the desired response, repeat steps 
5 and 6.
7
Press 
PHASE
 to select the regular or 
reverse mode.
Normally, set it to the reverse mode. If you cannot 
obtain the desired response, set it to the regular mode.
8
Press 
B.A.S.S.
 to select a mode that is 
suitable for the source.
1:  WIDE
When a movie source is played, the low- frequency 
effects are enhanced so that you can enjoy more 
powerful sound.
2:  NORMAL
When a music or movie etc. source is played, you can 
enjoy natural bass sounds.
3:  NARROW
When an ordinary music source is played, the 
excessive low-frequency signals are cut off to make the 
sound clearer.
USING THIS UNIT
Adjusting the sound balance
POWER
ON
OFF
POWER
STANDBY
SLEEP
PHASE
MEMORY
PRESET
HIGH CUT
VOLUME
2
1
3
B.A.S.S.
1
2,6
1
Remote control
Rear panel
SUBW
STANDBY
/ON