Yamaha AX-397: Adjusting the BALANCE control Using the CD/DVD DIRECT AMP switch Using the PURE DIRECT switch Adjusting the BASS and TREBLE controls Adjusting the LOUDNESS control Adjusting the tonal quality

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PLAYING AND RECORDING

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English

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Adjusting the BALANCE control

Adjusts the sound output balance of the left and right 

speakers to compensate for sound imbalance caused by 

speaker locations or listening room conditions.

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Using the CD/DVD DIRECT AMP switch

Routes input signals from your CD or DVD player 

directly to the specially built-in amplifier for the CD or 

DVD player. As a result, the input signals bypass the 

INPUT selector and the BASS, TREBLE, BALANCE and 

LOUDNESS controls (and the TAPE MONITOR switch 

for AX-397 only) and then sent to the power amplifier, 

thus eliminating any alterations to the CD or DVD signals 

and creating the purest possible sound.

■

Using the PURE DIRECT switch

(AX-497 only)

Routes input signals from your audio sources. As a result, 

the input signals bypass the BASS, TREBLE, BALANCE 

and LOUDNESS controls, thus eliminating any alterations 

to the audio signals and creating the purest possible sound.

As for AX-497 only, if both the CD/DVD DIRECT AMP and the 

PURE DIRECT switches are turned on, only the CD/DVD 

DIRECT AMP switch will function.

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Adjusting the BASS and TREBLE 

controls

Adjusts the high and low frequency response.

BASS

Increases or decreases the low frequency response.

TREBLE

Increases or decreases the high frequency response.

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Adjusting the LOUDNESS control

Retains a full tonal range at any volume level, thus 

compensating for the human ears’ loss of sensitivity to 

high and low-frequency ranges at low volume.

If the CD/DVD DIRECT AMP switch (or the PURE 

DIRECT switch for AX-497 only) is turned on with the 

LOUDNESS control set at a certain level, the input signals 

bypass the LOUDNESS control, resulting in a sudden 

increase in the sound output level. To prevent your ears or 

the speakers from being undesirably damaged, be sure to 

press the CD/DVD DIRECT AMP switch (or the PURE 

DIRECT switch for AX-497 only) AFTER lowering the 

sound output level or AFTER checking that the 

LOUDNESS control is properly set.

1

Set the LOUDNESS control to the FLAT 

position.

2

Rotate VOLUME on the front panel (or press 

VOLUME +/– on the remote control) to set the 

sound output level to the loudest listening 

level that you would listen to.

3

Rotate the LOUDNESS control until the 

desired volume is obtained.

Adjusting the tonal quality

Note

BALANCE

5

1

4

2

3

5

1

4

2

3

R

L

CD/DVD DIRECT AMP

Lights up

PURE DIRECT

Lights up

BASS

5

1

4

2

3

5

1

4

2

3

+

–

TREBLE

5

1

4

2

3

5

1

4

2

3

+

–

CAUTION

LOUDNESS

7

–30dB

FLAT

10

9

5

6

1

4

2

3

8

0

12

12

2

8

4

∞

20

20

60

60

26

26

40

40

16

16

-dB

-dB

VOLUME

+

–

VOLUME

Remote control

Front panel

or

LOUDNESS

7

–30dB

FLAT

10

9

5

6

1

4

2

3

8