Handleiding Harman Kardon AVR7300 (pagina 21 van 60) (Engels)

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SYSTEM CONFIGURATION 21

SYSTEM CONFIGURATION

When all audio, video and system connections have

been made, there are a few configuration adjustments

that must be made. A few minutes spent to correctly

configure and calibrate the unit will greatly add to your

listening experience.

Speaker Selection and Placement

The placement of speakers in a multichannel home

theater system can have a noticeable impact on the

quality of sound reproduced.

No matter which type or brand of speakers is used,

the same model or brand of speaker should be used

for the left front, center and right front speakers. This

creates a seamless front soundstage and eliminates

the possibility of distracting sonic disturbances that

occur when a sound moves across mismatched

front-channel speakers.

Speaker Placement

Depending on the type of center channel speaker

use and your viewing device, place the center speaker

either directly above or below your TV, or in the center

behind a perforated front-projection screen.

Once the center channel speaker is installed, position

the front left and front right speakers so that they are

as far away from one another as the center channel

speaker is from the preferred listening position. Ideally,

the front channel speakers should be placed so that

their tweeters are no more than 24" above or below

the tweeter in the center channel speaker.

Depending on the specifics of your room acoustics

and the type of speakers in use, you may find that

imaging is improved by moving the left front and right

front speakers slightly forward of the center channel

speaker. If possible, adjust all front loudspeakers

so that they are aimed at ear height when you are

seated in the listening position.

Using these guidelines, you’ll find that it takes some

experimentation to find the correct location for the front

speakers in your particular installation. Don’t be afraid to

move things around until the system sounds correct.

Optimize your speakers so that audio transitions across

the front of the room sound smooth, and that sounds

from all speakers appear to arrive at the listening posi-

tion at the same time (without delay from the center

speaker compared to the left and right speakers).

A) Front-channel speaker installation with direct-view TV

sets or rear-screen projectors.

B) Rear speaker mounting is an alternate location for

5.1 systems. It is required for 7.1 operation.

When the AVR 7300 is used in 5.1-channel opera-

tion, the preferred location for surround speakers is on

the side walls of the room, no more than 10 degrees

off axis from the listening position. In a 7.1-channel

system, both side surround and back surround speak-

ers are required. The center of the speaker should

face into the room.

Rear surround speakers are required when a full 7.1-

channel system is installed, and they may also be

used in 5.1-channel systems as an alternative mount-

ing position when it is not practical to place the main

surround speakers on the sides of the room. Speakers

may be placed on a rear wall, behind the listening

position. When placing surround speakers, it is recom-

mended that they be located so that none of the

speakers is more than two feet higher than the other.

If dipole-type speakers are used on either the side or

rear walls of the room, please note that if there are

arrows on the speakers they should face the front of

the room for the side speakers, or toward the center

of the wall for the rear speakers.

Subwoofers produce nondirectional sound, so they

may be placed almost anywhere in a room. Actual

placement should be based on room size and shape

and the type of subwoofer used. One method of find-

ing the optimal location for a subwoofer is to begin by

placing it in the front of the room, about six inches

from a wall, or near the front corner of the room.

Another method is to temporarily place the subwoofer

at your normal listening position, and then walk

around the room until you find a spot where the sub-

woofer sounds best. Place the subwoofer in that spot.

You should also follow the instructions of the sub-

woofer’s manufacturer, or you may wish to experi-

ment with the best location for a subwoofer in your

listening room.

System Setup

Once the speakers have been placed in the room

and connected, the remaining steps in the setup

process are to assign input and output connections,

select a surround mode, program the AVR 7300’s

bass management system for the type of speakers

used in your system, set the delay times used by

the surround sound processor and calibrate the

output levels.

You are now ready to power up the AVR 7300 to

begin these final adjustments.

1. Make certain that the AC power cord is firmly

inserted into the AC Power Cord Jack P

and plug the cord into an unswitched AC outlet.

To maintain the unit’s safety rating, DO NOT

replace the power cord with one that has lower

current capacity.

2. Open the Front-Panel Control Door 9 by

gently pushing in at either corner of the door.

Locate the Main Power Switch and push

it in until it latches and the word “OFF” on the top

of the switch disappears inside the front panel.

Note that the lighting around the Standby/On

Button 1 will turn amber, indicating that the unit

is in the Standby mode.

3. Carefully remove the protective plastic film from

the front-panel lens. If left in place, the film will

prevent proper operation of the remote control.

AVR7300(120v)-OM 6/14/04 9:15 AM Page 21

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