Attenuating the Input Signal

When the input level of the playing source is too high, the sounds will be distorted. If this happens, you need to attenuate the input signal level to prevent the sound distortion.

On the front panel ONLY:

INPUT ATT.

 

Press INPUT ATT. so that the lamp next to the button lights up.

The ATT indicator also lights up on the display.

•Each time you press the button, the Input Attenuator mode turns on (“INPUT ATT ON”) or off (“INPUT NORMAL”).

Note:

When selecting “DVD MULTI” as the source, this effect only applies to

front left and right channel signals.

Adjusting the Front Speaker Output

Balance

If the sounds you hear from the front right and left speakers are unequal, you can adjust the speaker output balance.

Before you start, remember....

•There is a time limit in doing the following steps. If the setting is canceled before you finish, start from step 1 again.

On the front panel ONLY:

ADJUST

1. Press ADJUST so that the cursor control %/ Þbuttons work for adjusting the sound.

2. Press cursor control % / Þ repeatedly until “L/R BALANCE” appears on the display.

3. Press cursor control @/ #to adjust the balance.

•Pressing @decreases the right channel output (from “L-21” to “R-21”).

• Pressing #decreases the left channel

output (from “R-21” to “L-21”).

Reinforcing the Bass

With this Bass Boost function, you can boost the bass level.

Before you start, remember....

•There is a time limit in doing the following steps. If the setting is canceled before you finish, start from step 1 again.

On the front panel ONLY:

1. Press ADJUST so that the cursor

ADJUST

control % / Þbuttons work for adjusting the sound.

2.Press cursor control %/ Þ repeatedly until “BASSBOOST” (with the current setting) appears on the display.

3.Press cursor control @/ #to switch this function “ON” or “OFF.”

• When this function is switched “ON,” the

BASS BOOST lamp on the front panel lights up.

Note:

The Bass Boost function affects the front speaker sounds only.

Adjusting the Tone

You can adjust the treble and bass sounds as you like.

Before you start, remember....

•There is a time limit in doing the following steps. If the setting is canceled before you finish, start from step 1 again.

On the front panel ONLY:

1. Press ADJUST so that the cursor

ADJUST

control % / Þbuttons work for

 

adjusting the sound.

 

2.Press cursor control %/ Þ repeatedly until “BASS” or “TREBLE” appears on the display.

•Select “BASS” to adjust the bass sound level.

•Select “TREBLE” to adjust the treble sound level.

3.Press cursor control @/ #to adjust the bass or treble sound level within the range of –10 to +10.

•Each time you press the button, the sound level changes by ± 2 steps.

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JVC RX-668VBK manual Attenuating the Input Signal, Adjusting the Front Speaker Output Balance, Reinforcing the Bass
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RX-668VBK specifications

The JVC RX-668VBK is a versatile and robust A/V receiver designed to meet the needs of home theatre enthusiasts. With its blend of advanced features and impressive sound quality, this receiver is suitable for both casual viewers and audiophiles alike. It is packed with technologies that enhance listening experiences, making it a popular choice among consumers.

One of the standout features of the RX-668VBK is its powerful amplification capabilities. It delivers 100 watts per channel into 8 ohms, providing enough power to drive a variety of speaker setups. This level of power ensures rich, dynamic sound reproduction suitable for everything from music playback to movie watching. The receiver supports surround sound formats, including Dolby Digital and DTS, allowing for an immersive audio environment that draws viewers deeper into their favorite films.

In terms of connectivity, the JVC RX-668VBK boasts an array of inputs and outputs. It includes multiple HDMI ports, facilitating easy connections to modern devices such as Blu-ray players, gaming consoles, and streaming devices. The receiver supports 4K pass-through, ensuring that it can keep up with the latest video formats and resolutions, thus future-proofing your home entertainment system.

Furthermore, the RX-668VBK integrates various audio technologies that enhance sound quality. The built-in DSP (Digital Signal Processing) allows users to select different sound modes tailored for movies, music, or gaming, providing flexibility for different types of content. The receiver also features a comprehensive equalizer that enables users to optimize sound profiles based on personal preferences and room acoustics.

One notable aspect of the RX-668VBK is its user-friendly interface. The on-screen display and intuitive remote control make it easy to navigate through settings and options, ensuring a seamless experience for users of all technical levels. Additionally, the receiver is equipped with a sleep timer and programmable memory functions, enhancing convenience during use.

Overall, the JVC RX-668VBK is a comprehensive A/V receiver that combines robust power, advanced audio technologies, and versatile connectivity options. Its excellent sound quality and user-friendly features make it an attractive option for both home cinema setups and music lovers, ensuring that it meets the demands of today's audio-visual landscape. With the RX-668VBK, JVC continues to establish its reputation as a reliable brand in the home entertainment market.
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