JVC TH-A9 manual Adjusting crossover, Adjusting dynamic range, Adjusting LFE attenuator, English

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Amplifier settings

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Adjusting crossover

When using a small speaker with weak bass as a front, center, or rear speaker, you can redirect bass audio to the sub-woofer. Select a cross- over frequency to match the size of the small speaker being used.

•When you use the supplied speakers with this system, set the crossover frequency as follows:

CROSSOVER: 200Hz

1Press SETTING.

2Press the 5/° cursors until “CROSSOVER” appears on the display window.

• After a while, the current setting appears.

3Within 5 seconds, press the 2/3 cursors to

select the crossover frequency.

Pressing the button changes the crossover frequency as follows:

j 200Hz j 120Hz j 100Hz j

Crossover frequency	Speaker diameter
100Hz	approx. 10 cm (4”)
120Hz	approx. 8 cm (3-3/16”)
200Hz*	approx. 4 cm (1-5/8”)

*Select when the supplied speakers with this system are used.

Adjusting dynamic range

You can compress the dynamic range. This may be used when you play back surround effects at night. This function work only for the program recorded in Dolby Digital.

• The initial setting of D. RANGE COMP is “MID”.

1Press SETTING.

2Press the 5/° cursors until “D. RANGE COMP” appears on the display window.

• After a while, the current setting appears.

3Within 5 seconds, press the 2/3 cursors to

select the setting.

Pressing the button changes the dynamic range compression as follows:

j MAX j MID j OFF j

MAX: The dynamic range is fully compressed.

MID: The dynamic range is compressed a little. (Initial set- ting)

OFF: The dynamic range is not compressed.

To exit power amplifier setting mode

Press SETTING again.

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To exit power amplifier setting mode	Note:
	• To enjoy original sound, you should set to “MID” or “OFF”.
Press SETTING again.

Note:

•When “LARGE” is set for the front, center and rear speak- ers, you cannot adjust CROSSOVER.

Adjusting LFE attenuator

When bass sound is distorted while playing back the program re- corded in Dolby Digital or DTS surround, you can lower the sound level through the LFE attenuator.

• Normally, LFE ATT should be set to “OFF”.

1Press SETTING.

2Press the 5/° cursors until “LFE ATT.” appears on the display window.

• After a while, the current setting appears.

3Within 5 seconds, press the 2/3 cursors to

select “ON” or “OFF”.

Pressing the button toggles between “ON” and “OFF”.

ON: Select when bass sound is distorted.

OFF: Select to turn off LFE ATT. effect.

To exit power amplifier setting mode

Press SETTING again.

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