Bedienungsanleitung Denon AVR-4800 (Seite 5 von 69) (Englisch)

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CAUTIONS ON HANDLING

FEATURES

• Switching the input function when input jacks are not

connected

A clicking noise may be produced if the input function is switched

when nothing is connected to the input jacks. If this happens,

either turn down the MASTER VOLUME control or connect

components to the input jacks.

• Muting of PRE OUT jacks and SPEAKER terminals

The PRE OUT jacks and SPEAKER terminals include a muting

circuit. Because of this, the output signals are greatly reduced for

several seconds after the power switch is turned on or input

function, surround mode or any other-set-up is changed. If the

volume is turned up during this time, the output will be very high

after the muting circuit stops functioning. Always wait until the

muting circuit turns off before adjusting the volume.

• Whenever the power switch is in the STANDBY state, the

apparatus is still connected on AC line voltage.

Please be sure to unplug the cord when you leave home for,

say, a vacation.

1. Digital Surround Sound Decoding

Featuring dual 32 bit high speed DSP processors, operating

entirely in digital domain, surround sound from digital sources

such as DVD, DTV and satellite are faithfully re-created.

2. Dolby Digital

Using advanced digital processing algorithms, Dolby Digital

provides up to 5.1 channels of wide-range, high fidelity surround

sound. Dolby Digital is the default digital audio delivery system for

North American DVD and DTV, and is available on laser discs as

well as some digital satellite direct-to-home services.

3. DTS (Digital Theater Systems)

DTS provides up to 5.1 channels of wide-range, high fidelity

surround sound, from sources such as laser disc, DVD and

specially-encoded music discs.

4. Lucasfilm Home THX Ultra Certified

Home THX is the unique collaboration between Lucasfilm Ltd. and

audio equipment manufacturers. THX Ultra certification is the

highest performance level, and provides a rigorous set of

performance standards, along with proprietary surround sound

post-processing technologies, designed to enhance the surround

soundtrack playback experience in the home theater.

5. THX Surround EX

By adding a 2-channel power amplifier and two surround back

speakers, the system becomes fully compatible with THX

Surround EX, the latest surround format.

6. Wide screen mode for a 7.1-channel sound even with

5.1-channel sources

DENON has developed a wide screen mode with a new design

which recreates the effects of the multi surround speakers in

movie theaters. The result is 7.1-channel sound taking full

advantage of surround back speakers, even with Dolby Pro Logic

or Dolby Digital/DTS 5.1-channel signals.

7. 24 bit D/A Conversion

All eight channels, including the seven main channels and the low

frequency effects (LFE) channel benefit from reference ANALOG

DEVICES DACs, for optimum high fidelity reproduction of music

and movie soundtracks.

8. Dual Surround Speaker Mode

Provides for the first time the ability to optimize surround sound

reproduction using two different types of surround sound

speakers as well as two different surround speaker positions:

(1) Movie Surround

Motion picture soundtracks use the surround channel(s) to

provide the ambient elements of the acoustic environment

they want the audience to realize. This is best accomplished by

the use of specially-designed surround speakers that offer a

wide diffusion pattern (bipolar dispersion) or by using surround

speakers that provide broad dispersion with a minimum of on-

axis localization (dipolar dispersion). Side wall mounting (closer

to the ceiling) of the surround speakers provides the greatest

envelopment, minimizing localization of direct sound from the

speakers.

(2) Music Surround

With full range discrete surround channels, as well as three

discrete full range front channels, digital formats such as Dolby

and DTS offer thrilling surround sound music listening.

Producers of multi-channel discrete digital music recordings

almost always favor the use of direct radiating (monopolar)

surround speakers, placed in the rear corners of the room,

since that is how they configure their studios during the

mixing/creation process.

The DENON AVR-4800 provides the ability to connect two

different sets of surround speakers, and place them in the

appropriate locations in your home theater room, so that you

can enjoy both movie soundtracks and music listening, with

optimum results and no compromise.

9. Component Video Switching

In addition to composite video and “S” video switching, the AVR-

4800 provides 2 sets of component video (Y, R-Y, B-Y) inputs for

the DVD and TV/DBS inputs, and one set of component video

outputs to the television, for superior picture quality.

10.Video Select Function

Allow you to watch one source (visual) while listening to another

source (audio).

11.Five Identical Power Amplifiers

Featuring discrete high current power transistors, the power amp

section is THX Ultra certified for top performance with the widest

range of speaker systems. Rated at 125 watts into 8 Ω/ohms, the

amp channels feature additional low impedance drive capability.

12.Future Sound Format Upgrade Capability via Eight Channel

Inputs & Outputs

For future multi-channel audio format(s), the AVR-4800 is provided

with 7.1 channel (seven main channels, plus one low frequency

effects channel) inputs, along with a full set of 7.1 channel pre-

amp outputs, controlled by the 8 channel master volume control.

This assures future upgrade possibilities for any future multi-

channel sound format.

13.Amplifier assign function for greater liberty in upgrading the

system with an external power amplifier

When using an external power amplifier (option) to upgrade to a

THX Surround EX system, you can choose whether to use the

internal amplifier for the front channels or the surround back

channel. Even when the system is upgraded with an external

power amplifier for the front channels the internal amplifier can be

used for the surround back channel.

Denon AVR-4800 Seite 5

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