Yamaha R-302 用户手册
14
Because one or two speaker systems can be connected to this
unit, the SPEAKERS switches allow you to select speaker
system A or B, or both at once.
unit, the SPEAKERS switches allow you to select speaker
system A or B, or both at once.
Adjust the balance of the output volume to the left and right
speakers to compensate for sound imbalance caused by
speaker location or listening room conditions.
speakers to compensate for sound imbalance caused by
speaker location or listening room conditions.
BASS
: Turn this clockwise to increase (or counter-
clockwise to decrease) the low frequency
response.
response.
TREBLE : Turn this clockwise to increase (or counter-
clockwise to decrease) the high frequency
response.
response.
Selecting the SPEAKER system
Adjusting the BASS and TREBLE
controls
controls
Adjusting the BALANCE control
SPEAKERS
A
ON
OFF
B
ON
OFF
BALANCE
5
5
4
3
2
l
0
l
2
3
4
L
R
TREBLE
5
5
4
3
2
l
0
l
2
3
4
BASS
5
5
4
3
2
l
0
l
2
3
4
Adjusting the continuously variable
LOUDNESS control
LOUDNESS control
This control provides compensation for the human ears’ loss of
sensitivity to high and low-frequency ranges at low volume.
This control is adjustable to retain full tonal range at any
volume level.
sensitivity to high and low-frequency ranges at low volume.
This control is adjustable to retain full tonal range at any
volume level.
1
Set to the “FLAT” position.
2
Set to the loudest listening
level that you would listen
to.
level that you would listen
to.
3
Turn until the desired
volume is gained.
volume is gained.
LOUDNESS
5
7
4
3
2
l
FLAT
l0
9
8
6
30 dB
LOUDNESS
5
7
4
3
2
l
FLAT
l0
9
8
6
30 dB
VOLUME
l6
l8
20
24
28
34
40
50
60
70
l4
l2
l0
8
6
4
3
2
l
0
–dB