Bedienungsanleitung Harman Kardon AVR355 (Seite 24 von 58) (Englisch)

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System Configuration

anual Setup

The AVR 355/AVR 255 is flexibly designed to be

used with almost any loudspeakers available. The

flexibility arises from the AVR 355/AVR 255’s

capability tobe configured to match the charac-

teristics of your particular speakers, and to com-

pensate for the acoustic characteristics of your

room.

EzSet/EQ automatically detects the capabilities of

each speaker, and optimizes the AVR 355/

AVR 255’s performance in your system. However,

if forsome reason you are unable to run

EzSet/EQ, e.g., you have misplaced the micro-

phone, or if you wish to make further adjust-

ments to the settings made by EzSet/EQ, you

may use the Manual Setup on-screen menus as

described in this section.

Before beginning manual setup place your loud-

speakers in their correct locations within the

room (see Speaker Placement section), and con-

nect them to the AVR. You will need the specifi-

cations for each of your speakers, which may

usually be found in the owner’s guide for the

speakers or on the manufacturer’s Web site. If

necessary, contact the manufacturer to obtain

the frequency range specification. Although the

output-level setting portion of manual setup may

be performed “by ear,” we recommend that you

purchase an SPL (sound-pressure level) meter at

a local electronics store.

We suggest that you record your configuration

settings in the appropriate places in Tables A3

through A7 in the appendix in case you need to

reenter them after a system reset, or if the AVR’s

Master Power Switch is turned off or the unit is

unplugged for more than four weeks.

Step One – Determine

Speaker Crossover

Without using EzSet/EQ, the AVR 355/ AVR 255

can’t detect how many speakers you’ve connect-

ed to it; nor can it determine their capabilities.

For this part of the system setup consult the

speaker’s technical specifications.

Locate the frequency response, which is usually

given as a range, e.g.,100Hz – 20kHz (±3dB).

This specification tells you whether the speaker is

able to play sounds that are very high- or low-

pitched, represented by the high and low fre-

quencies. We are concerned with the lowest fre-

quency that each of your main speakers is capa-

ble of playing, which is 100Hz in this example.

Use the Table A5 worksheet in the appendix to

note this number as the crossover for that speak-

er (not the same as the crossover frequency list-

ed in the speaker’s specifications).

The subwoofer’s frequency response will include

only the very lowest frequencies, since the sub-

woofer is designed to play only bass materials.

A typical frequency response for a subwoofer is

25Hz – 150Hz. In this case, the higher number

should be noted in the worksheet.

This information is required to program the

receiver’s bass management, which determines

hich speakers the receiver will use to playback

the low-frequency (bass) portion of the source

program.

If you send the lowest notes to small satellite

speakers, you won’t hear these notes very well,

and you may even damage the speaker by

exceeding its capabilities. If you send the highest

notes to the special purpose subwoofer, you may

not hear them at all.

With proper bass management, the AVR 355/

AVR 255 divides the source signal at a crossover

point. All information above the crossover point

is played through the satellite speaker (front

left/right, center, surround left/right, or surround

back left/right), and all information below the

crossover point is played through the subwoofer.

This enables each loudspeaker in your system to

perform at its best, delivering an enjoyable

sound experience.

Step Two – Measure

Speaker Distances

Ideally, all of your speakers were placed in a cir-

cle, each at the same distance from the listening

position. However, your room may not be ideal,

and you may have had to place some speakers a

little further away than others. This could affect

the overall sound of the receiver, as sounds that

are supposed to arrive simultaneously from dif-

ferent speakers blur due to different arrival

times.

The AVR 355/AVR 255 has a delay adjustment

that enables the receiver to compensate for real-

world speaker placements.

Before you begin making adjustments, measure

the distance from each speaker to the listening

position, and note it in the Table A3 worksheet in

the appendix. Even if all of your speakers are the

same distance from the listening position, you

should enter your speaker distances as described

in Step Three.

tep Three – Manual Setup Menu

Now you are ready to program these adjust-

ments into the receiver. It’s best to sit in the

usual listening position and make the room as

quiet as possible.

With the receiver and video display turned on,

press the AVR Button on the remote to display

the menu system. Use the LButton to move

the cursor to the Speaker Setup line, and press

the OK Button to display the Speaker Setup

menu. See Figure 4.

If you have run EzSet/EQ, those results were

aved. To tweak the EzSet/EQ results, or to con-

figure the AVR from scratch, select Manual

Setup. The screen shown in Figure 9 will appear.

Figure 9 – Manual Speaker Setup Menu

NOTE: All of the speaker setup submenus

include the Exit and Back options as shown at

the bottom of Figure 9. To return to a previous

menu without making any changes, press Exit.To

save the current settings, select the Back option.

If you previously saved EzSet/EQ results in this

setup position and you wish to reconfigure the

speakers from scratch, select the Reset option.

For best results, we recommend configuring the

speakers in this order, although it may differ from

the order in which the submenus appear in the

Manual Speaker Setup menu: Number of

Speakers, Crossover(Size), Sub Mode, Distance

and Level Adjust.

24 SYSTEM CONFIGURATION

Harman Kardon AVR355 Seite 24

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