Yamaha DVD-C940 owner manual Delay times, Language, Preparation, Digital Surround, Dolby Pro Logic

Models: DVD-C940

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Delay times

Preparation

Delay times

The DVD player is set to reproduce correctly synchronized Digital Surround Sound in a listening area where the surround speakers are about 150cm nearer to the listening position than the front speakers, and the center speaker is in line with the front speakers. To adjust for other listening area arrangements, adapt delay times according to the following:

Digital Surround

Measure the distances in centimeters from the front speaker plane and from the surround speaker plane to the listening positioning plane. Subtract the surround distance from the front distance and divide by 30. The result is the required Surround Channel delay time in milliseconds.

If the center speaker is on the front speaker plane, no center speaker delay is needed. If, however, it is nearer to the listening position, measure the distance in centimeters between the front and center speaker planes, and divide by 30. The result is the required Center Channel delay time in milliseconds.

Digital Surround Delay

10 5 ms ms

(m)

12

 

 

 

 

 

 

 

 

 

 

 

 

0 ms

10,5

 

 

 

 

 

 

 

 

 

 

 

 

0 ms

speakers

9

 

 

 

 

 

 

 

 

 

 

 

 

0 ms

7,5

 

 

 

ms

 

 

 

 

 

 

 

 

0 ms

surround

 

 

0

 

 

 

 

 

 

 

 

6

 

 

 

0

ms

ms

 

 

 

 

 

 

-5 ms

 

 

 

 

0

 

ms

 

 

 

 

 

 

4,5

 

 

 

 

5

 

 

 

 

 

-10 ms

from

 

 

 

 

 

10

ms

 

 

 

 

3

 

 

 

 

 

15

ms

 

 

 

Differential

Distance

 

 

 

 

 

 

15

ms

 

 

arrival time

 

 

 

 

 

 

 

 

 

 

 

1,5

 

 

 

 

 

 

 

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

Preferred

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

1,5

3

 

4,5

6

7,5

9

10,5

12

Acceptable

 

 

Distance from front speakers (m)

 

Not recommended

Dolby Pro Logic

If the delay times for Surround Channel and Center Channel are set for Digital Surround mode, the delay times for Dolby Pro Logic mode will automatically be calculated and set.

Pro Logic Surround Delay

25 20 ms ms

(m)

12

 

 

 

 

 

 

 

 

 

 

 

 

15 ms

10,5

 

 

 

 

 

 

 

 

 

 

 

 

15 ms

speakers

9

 

 

 

 

 

 

 

 

 

 

 

 

15 ms

7,5

 

 

ms

 

 

 

 

 

 

 

 

 

15 ms

surround

 

15

ms

 

 

 

 

 

 

 

 

6

 

15

ms

 

 

 

 

 

 

 

10 ms

 

 

15

 

 

 

 

 

 

 

4,5

 

 

 

20

 

ms

 

 

 

 

 

5 ms

 

 

 

 

 

 

 

 

 

 

from

 

 

 

 

25

ms

 

 

 

 

3

 

 

 

 

 

30

ms

 

 

 

Differential

Distance

 

 

 

 

 

 

30

ms

 

 

arrival time

1,5

 

 

 

 

 

 

 

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

Preferred

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

1,5

3

4,5

6

7,5

9

10,5

12

Acceptable

 

 

Distance from front speakers (m)

 

Not recommended

Language

Selecting disc languages:

Menu/Audio/Subtitle language

This is to select the audio language, subtitle language and the language used in TV screen menus or DVD menus which will always be used for every disc to be played back.

If the language selected is not available on the disc, the default language designated by each disc will be selected.

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Yamaha DVD-C940 Delay times, Language, Preparation, Digital Surround, Dolby Pro Logic, Selecting disc languages