OPPO Digital DV-987HD - Manual (Page 42)

S E T U P M E N U O P T I O N S
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6. Channel Delay: To set the delay time for the center, rear speakers and the subwoofer. The
delay is to compensate for the audio propagation time difference caused by the distance
difference of the speakers to the listener.
• Press the up/down ARROW buttons to select the speaker to set the distance difference.
• Press the left/right ARROW buttons to set the distance difference.
• Press the SELECT button to confirm the settings and return to the Speaker Setup Page.
• The channel delay is the difference between the distance from the listener to the front
speakers and the distance from the listener to the speaker to be configured.
• Measure the distance (in inches) from the primary listening position to the Front Left
Speaker. This is your baseline measurement – the primary distance that will determine the
adjustments for your system. Your Front Right and Left speakers should measure the
same distance. If they do not, please adjust them if possible.
• Measure the distance (in inches) from other speakers to the listening position. If it is LESS
than the distance to the Front Left speaker, enter the difference (as close as possible) in
inches using the left/right ARROW buttons as channel delay. If it is GREATER than the
distance to the Front Left speaker, then leave the channel delay at 0.
• Repeat for each speaker in the system (Center, Left Surround, Right Surround, and
Subwoofer) as available.
For example, if the distance between the listener and the front main speakers is 60 inches (n in
the above picture), and the distance between the listener and the center speaker is 56 inches
(o), the channel delay for the center speaker is 4 inches (n-o=p). Similarly, if the left
surround speaker is 48 inches (q) away from the listener, the channel delay for the left
surround speaker should be 12 inches (n-q=r).
Distance between the surround speakers and the listener must be shorter than or equal to that
between the front speakers and the listener.
In case the channel delay settings cannot match your speaker configuration, please set all
distance difference to 0 inch and use your receiver/amplifier to set the channel delay.