Bedienungsanleitung Cambridge 751RV2 (Seite 16 von 40) (Englisch)

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Manually setting speaker delay

Because the speakers in a surround sound system are usually different

distances from the listener the 751R V2 incorporates the ability to apply a

variable digital delay to each of the channels so that the sound from each

arrives at the same time at the listening position for best surround-sound

effect.

To set the delay times automatically, refer to the Audyssey auto setup section

of this manual.

To set the delay times manually, simply measure the distances from the

listening position to each speaker as shown in the following diagram:

1 = Front Left speaker

2 = Front Right speaker

3 = Centre speaker

4 = Surround Left speaker

5 = Surround Right speaker

6 = Surround Back Left

(when used)

7 = Surround Back Right

(when used)

8 = Subwoofer 1 (can be

placed almost anywhere)

9 = Subwoofer 2 (can be

placed almost anywhere)

10 = Front Left Height

speaker above the Front

Left Speaker (when used)

11 = Front Right Height

speaker above the Front

Right Speaker (when used)

10 311

Set the distances in the OSD Speaker Distance menu to the nearest value

in metres (1 foot = 0.3 metres). The speed of sound is approx 340 metres

per second, the 751R V2 thus introduces approx 3mS of delay per metre of

distance set.

Go to the 'Speaker Distance' and highlight each speaker in turn. Set the

distance to the nearest value to that which you measured by using the Left

and Right arrows (the values do not need to be exact):

Speaker Distance

Unit :

Front L :

Front R :

Centre :

Surr. L :

Surr. R :

Surr. LB :

Surr. RB :

Subwoofer :

Return I/O

Meters

0.0

Press the OSD button to exit the menu.

Note if you select a 5.1 speaker setup an option appears for SBL/R Assign.

You may now choose to use the unused SBL and SBR amplier channel to

Biamp the Front Left and Right channels (Set SBL/R Assign to Biamp) or

drive a pair of speakers in Zone 2 (Set SBL/R Assign to Zone 2) or simply

leave them unconnected (Set SBL/R Assign to None). For information in

Bi-amping and Zone 2 see later sections.

Make this selection rst then either congure your speakers fully manually

or run the Audyssey autosetup. To perform an Audyssey autosetup with or

without the addition of Room EQ jump forward to that section.

We do however recommend that you read the Manual Speaker Setup section

that follows just as it gives an insight into what all of these measurements

and adjustments are and why the unit makes them.

Manually setting speaker size

Select the Speaker Cong menu.

Speaker Config Menu

Decode Mode :

Front L/R :

Center :

Surr. L/R :

Surr. LB/RB :

Subwoofer :

[FL R must be Large when

Sub is Off]

Return I/O

7.1

Large

Yes

Now move down and by highlighting each speaker in turn and using the Left

and Right arrows select from 'Large', 'Small' or 'None' for each speaker. 'Large'

or 'Small' are used to describe each speaker in terms of bass response, they

do not necessarily reect the actual physical size of the speaker.

Large = Speakers with an extended low frequency response of approximately

20-40Hz to 16-20kHz (oorstanders or high quality larger stand-mounted

speakers).

Small = Speakers with a less extended low frequency response of

approximately 80-100Hz to 16-20kHz (small stand-mounted, bookshelf or

satellite speakers).

Setting each speaker allows the 751R V2 to perform what is called Bass

Management and to direct low frequency bass from music and the Low

Frequency Effects channel of surround sound material to those speakers

best able to reproduce it. If you do not wish to use any of the speakers set

its setting to 'None'.

The Subwoofer output can also be set to Yes or No. If no sub is being used

make sure this setting is set to No to allow the 751R V2 to re-direct the bass

information in this channel to other speakers.

Note: The 751R V2 will force some speakers to certain settings in the

following circumstances!

The Front Left and Right speakers may be 'Large' or 'Small' but never 'None'

as they are always required for any type of music/movie reproduction.

Bass must always be reproduced by either the Front Left and Right or

Subwoofer channel (or both). Setting the Front Left and Right to 'Small'

will result in the Subwoofer automatically being set to 'Yes'. Setting the

Subwoofer to 'No' will automatically result in the Front Left and Right being

set to 'Large'.

If the Front Left and Right cannot reproduce low frequency bass a Subwoofer

must be used. I.e. If the Front Left and Right are set as 'Small' the Sub must

be Set to 'Yes'.

Also, setting the Front Left and Right as 'Small' will always set the other

speakers as 'Small' (and the Sub to 'Yes'). This is because LFE/ bass

information should not be redirected to the surround channels.

To store the setting simply come back out of the OSD (pressing the OSD

button always moves back one menu item, and then exits and stores from

the main menu screen).

Performing the setup cont.

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Cambridge 751RV2 Seite 16

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