Bedienungsanleitung Arcam DiVA AVR280 (Seite 16 von 38) (Englisch)

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AVR280

5 – Level settings

The relative sensitivity of different speakers can lead to some speakers sounding

disproportionately loud or quiet, relative to others in the system. The level settings of

your AVR280 can help to address this inbalance.

It is important to calibrate the speakers correctly to achieve an accurately centred sound

stage. If possible, we recommend you use a sound pressure level meter (SPL meter)

to perform this part of the set-up as it is difcult to judge the levels accurately by ear

alone.

Test Tone Cycle

MANUAL is best for setting up with a SPL meter as the test tone will not change

to the next speaker until instructed by you. Pink noise is emitted by the

highlighted speaker; when you wish to measure a different speaker, move the

highlight to the new speaker.

AUTO is best for setting up by ear. In this state, the test tone changes automatically between

speakers after a two second burst of sound.

On rst installation, watch the OSD display as you cycle through the available speakers with the test

tone. Check that the speaker generating the sound corresponds to that indicated on the OSD. If there is

a discrepancy then check and correct the system cabling before proceeding further.

To calibrate the speakers with a SPL meter, place the meter at ear level with the microphone pointing

towards the ceiling, when seated in the usual listening position. (You will need to set the meter to ‘C’‚

setting with a ‘slow’‚ response and to read 75dB SPL at the centre of the scale.) If you do not have a SPL

meter, simply set the front left speaker to 0dB on the menu and then match all the other speakers to

this level.

Each speaker can be ne-tuned by 1dB increments to ±10dB. The output from each speaker needs to be

adjusted to the 75dB SPL sound level. No adjustments can be made for a speaker that is not selected in

the previous ‘Speaker Sizes’ menu.

Note that inserting headphones into the front panel of the AVR280 will cause all test-tones to be muted

(including the headphone output).

NOTE: If you are using a 6.1 speaker conguration (a single surround back speaker), we recommend

connecting the surround back speaker to the surround back left channel of the AVR280.

In this case, the level of the connected surround back channel should be increased by 3dB (i.e., the

SPL meter should show a response of 78dB for this channel).

6 – EX Settings

Surr. EX: This can either be set to AUTO or MANUAL and is applicable only when playing

‘Surround EX’-encoded material.

AUTO DD EX: The AVR280 will switch automatically to ‘Surround EX’ decoding

when suitably encoded material is detected (this can be temporarily overridden

by pressing the MODE button on the remote control).

AUTO PLIIX: The AVR280 will switch automatically to ‘Pro Logic IIx Movie’

decoding when suitably encoded material is detected (this can be temporarily

overridden by pressing the MODE button on the remote control).

MANUAL: The AVR280 will not select Surround EX automatically. It can however

be selected manually by pressing the MODE button.

Use Channels 6+7 for

Choose one from:

DOLBY SURR EX: ‘Dolby Surround EX’ provides two additional rear channels from 5.1 channel

EX-encoded material. This is intended to give better effects steering. In this mode, amplier

channels 6 and 7 are used to drive the EX speakers.

ZONE 2: In this mode, amplier channels 6 and 7 are used to provide speaker level output for

use in Zone 2.

BIAMP L+R: The amplier channel 6 and 7 are used to provide a second amplied output of the

left and right channels. This allows you to bi-amplify your front speakers, which should give an

improvement in the sound quality of these channels.

If you would like to do this, please refer to page 26 for further information.

NOTE: Changing this setting will require you to change the conguration of the cables connected your

speakers.

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