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pressing the “VOL ⇑” or “VOL ⇓” key on the remote control.
The normal display will return after 15 seconds from last change or by pushing the
“>VOL” key.
The setting is expressed in milliseconds, but the delay can be calculated from the
physical distance.
A sound wave travels at approx. 340 metres per second, which is equivalent to:
1 foot per 1 millisecond or
1 metre per 3 milliseconds
The following example demonstrates how to calculate the delay setting for SL, SR,
SC and C. The distances mentioned from the listening position to each speaker are
used as an example only and are not meant to be an ideal guideline:
Example Your measurements
Listening position <-> Left speaker: 3.8 m (= 11.4 ft)
Listening position <-> Right speaker: 3.8 m (= 11.4 ft)
Listening position <-> Centre speaker: 2.9 m (= 8.7 ft)
Listening position <-> Left surround speaker: 2.1 m (= 6.3 ft)
Listening position <-> Right surr. speaker: 2.1 m (= 6.3 ft)
Listening position <-> Centre surr. speaker: 1.8 m (= 6.3 ft)
The delays when measuring the distance in metres are then calculated as:
SL delay : (L - SL distance) x 3 = (3.8 - 2.1) x 3 = 5.1ms
SR delay : (R - SR distance) x 3 = (3.8 - 2.1) x 3 = 5.1ms
C delay : (L - C distance) x 3 = (3.8 - 2.9) x 3 = 2.7ms
SC delay : (L - C distance) x 3 = (3.8 - 1.8) x 3 = 6ms
or when the distance is measured in feet:
SL delay : L - SL distance = 11.4 - 6.3 = 5.1ms
SR delay : R - SR distance = 11.4 - 6.3 = 5.1ms
C delay : L - C distance = 11.4 - 8.7 = 2.7ms
SC delay : L - SC distance = 11.4 - 5.4 = 6ms
In this example, we would set the delay at:
SL 5.0ms C 3.0ms SR 5.0ms SC 6.0ms
The above calculations for delay are based on the physical installation and should
be stored as the initial settings in the memory banks (see section 5).
For each surround mode, the preferred settings should be stored in the memory
banks for automatic reload.
The user may still prefer to change delays during playback of a movie, based on
subjective preference in a specific movie.
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