System Configuration
23
6. The test tone will now be heard9. At this point, you should make a finalTo resynchronize the front and surround
through the front right speaker. Oncecheck on the adjustments. Press thechannels, follow these steps:
again, first listen to the test noise toChannel Selectbutton lquickly so
1. Measure the distance from the
determine if it is louder or softer than thethat you circulate the test noise amonglistening/viewing position to the
previous two channels. If an adjustmentall the channels. Make a note of whichfront speakers.
is required, use the Speaker Levelchannels need fine adjustments to raise
Adjustbuttons muntil the level isor lower their level so that they are2. Measure the distance from the
listening/viewing position to the
matched. In this case, the offset level forbrought into line with the others. When
both front channels will be shown in thean adjustment is needed, simply stopsurround speakers.
display, such as FL0FR+0. Onlypressing the button and make the level3. Subtract the distance to the
the FRindication will change, as onlychange using the Speaker Levelsurround speakers from the distance
the front right channel is being adjustedAdjustbuttons m.to the front speakers.
at this time. When the level is equal to
10. When you are satisfied that all a. When setting the delay time for
the front left and center channels, pressthe Dolby Digital surround mode,
channels have the same output level,
the Channel Select button l topress the Test Tone button i tothe optimal delay time is the result-
move to the next channel.ing figure. For example, if the front
return the AVR55 to normal operation.
7. The test tone will now be heard fromspeakers are ten feet away and the
Delay Settingssurround speakers are five feet
the right rear (surround) channel.
Follow the instructions shown in the pre-One aspect of the surround modes is theaway, the optimal delay time is
delay of audio signals between the frontfigured as 10-5=5. Thus, in this
vious step until the volume level for this
speakers and the rear speakers. Eachexample, the delay should be set at
channel is equal to the others. Press thesurround mode is factory preset with afive milliseconds.
Channel Selectbutton lafter you
specific delay time, but it is possible to
have finished with the right rear to moveindividually adjust the delay timing tob. When setting the delay time for
to the final channel.the analog Pro Logic mode, take
custom tailor the sound to your individ-
8. Adjust the output from the left rearual taste and the acoustic conditions inthe result of the subtraction and
your listening room or home theater.add 15 to obtain the optimal delay
(surround) channel as shown in the pre-
time. For example, if the front
vious steps. Remember, the goal is toThe factory setting is appropriate forspeakers are ten feet away and the
have the sound level equal to all previousmost rooms, but some installationssurround speakers are five feet
channels, using the Speaker Levelcreate an uncommon distance betweenaway, the optimal delay time is
Adjustbuttons mto make any neededthe front and surround speakers that mayfigured as 10-5+15=20. Thus in
changes.cause the arrival of front channel soundsthis example, the delay should be
to become disconnected from surroundset at twenty milliseconds.
channel sounds. |
ACEC
