Handleiding Harman Kardon AVR260 (pagina 22 van 54) (Engels)

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SYSTEM CONFIgURATION

MANUAL SETUP

The AVR 260 is flexibly designed to be used with almost any loudspeakers

available. The flexibility arises from the AVR 260’s capability to be configured

to match the characteristics of your particular speakers, and to compensate

for the acoustic characteristics of your room.

EzSet/EQ automatically detects the capabilities of each speaker, and

optimizes the AVR 260’s performance in your system. However, if forsome

reason you are unable to run EzSet/EQ, e.g., you have misplaced the

microphone, or if you wish to make further adjustments 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 loudspeakers in their correct

locations within the room (see Speaker Placement section), and connect

them to the AVR. You will need the specifications 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 260 can’t detect how many speakers you’ve

connected 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 frequencies. We are concerned with the lowest frequency that each of

your main speakers is capable 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 speaker (not the same as the crossover frequency listed in the

speaker’s specifications).

The subwoofer’s frequency response will include only the very lowest

frequencies, since the subwoofer 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 which 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 260 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 circle, 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 different speakers blur due to different arrival

times.

The AVR 260 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.

Step Three – Manual Setup Menu

Now you are ready to program these adjustments 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

Button 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 saved. To tweak the EzSet/EQ

results, or to configure 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.

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