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Preparing for surround sound
KR-V9090/8090 (En/T)
4 Adjust the speaker volume.
1 Press to select TEST TONE.
SETUP
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TEsT L
Initial display when the test tone is selected
SURROUND
� The buzzing test tone moves once every 1.5 seconds. 2 Adjust the level of the speaker emitting the test tone. Each speaker should produce the test tone at the same volume level as the front speakers.
TUNING/SKIP
1 2 3 4 5
"TEST L" "TEST C" "TEST R" "TEST RS" "TEST LS"
: Front speaker, left channel. : Center speaker. : Front speaker, right channel. : Surround speaker (right). : Surround speaker (left).
To increase
� For KR-V8090 the �TEST RS� and �TEST LS� displays are replaced by �TEST S� and the test sound is emitted from the right and left surround speakers simultaneously.
To decrease
Lch
5 Adjust the delay time.
1 Calculate the delay time suitable for your listening room (see below). 2 Press to select delay time.
SETUP
+2 dB
SURROUND
Display when the test tone is output from the left speaker
� Be sure to adjust from your listening position. � The volume is adjusted in 1dB steps each time you press the TUNING/ SKIP +/� keys. � The volume levels can be adjusted in the range from �10 dB to +10 dB.
- -3 Adjust the delay time.
TUNING/SKIP
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SURROUND
Display when delay time is selected
To increase
� The delay time can be adjusted in the range from 15 ms to 30 ms, in 5 ms steps. � This adjustment is also possible with the LEVEL CONTROL key of the main unit.
To decrease
4 Press SETUP again to quit. 5 Press VIDEO once to return the remote to its original operating mode.
VIDEO
What is delay time?
The sound entering the ears include the direct sound coming from the sound source and the indirect sounds reflected from the walls, floor, ceiling, etc. The indirect sounds are delayed because they travel longer distance required for reflection before they reach the ears. The delay time is the difference in time between the direct sound and indirect sounds.
� The input selector does not change the first time you press the VIDEO key.
How to calculate the proper delay time
Assuming that the distance from the front speaker is A meters and the distance from the surround speakers is B meters
Front speakers
1 Use the delay time calculation chart on the right. Example: When A = 3 m, B = 3 m, the delay time is 20 ms. 2 Use the following formula for calculation. Delay time = 20 + 3 x (A - B) (Unit: ms)
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