Selecting The Speaker System - Yamaha AX-490 Owner's Manual

Adjusting the BALANCE control
Adjust the balance of the output volume to the left and right
speakers to compensate for sound imbalance caused from
speaker location or listening room conditions.
AX-590
BALANCE
0
l
l
2
2
3
3
4 4
L 5 5 R
Adjusting the BASS and TREBLE
controls
AX-590
BASS
0
l
l
2
3
4
5 5
AX-490
BASS
0
l
2
3
4
5 5
BASS : Turn this clockwise to increase (or counter-
clockwise to decrease) the low frequency
response.
TREBLE : Turn this clockwise to increase (or counter-
clockwise to decrease) the high frequency
response.
AX-490
BALANCE
0
l l
2 2
3 3
4 4
L 5 5 R
TREBLE
0
l
l
2
2 2
3
3
3
4 4 4
5 5
TREBLE
0
l
l l
2
2 2
3 3 3
4 4 4
5 5

Selecting the SPEAKER system

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.
SPEAKERS
A
ON
OFF
Adjusting the continuously variable
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.
1
AX-590 AX-490
LOUDNESS
LOUDNESS
FLAT
l
FLAT
l
30 dB
2
2
l0
3
9
3
4 8
4
5 7
6
5
6
2
VOLUME
l6
l8 l4
20 l2
24 l0
28 8
34
40
50
2
60
70 l
0
–dB
3
AX-590 AX-490
LOUDNESS
LOUDNESS
FLAT
l
FLAT
l
30 dB
2
2
l0
3
9
3
4 8
4
5 7
6
5
6
B
ON
OFF
Set to the "FLAT" position.
30 dB
l0
9
8
7
Set to the loudest listening
level that you would listen
6
4 to.
3
Turn until the desired
volume is gained.
30 dB
l0
9
8
7
9