System Configuration
Speaker Output AdjustmentsBefore beginning the adjustment process3. When you have verified that all
Adjustments and calibration of themake certain that all speaker connec-channels are properly connected, press
speaker output levels is important totions have be properly made. The systemthe Channel Selectbutton l to
proper surround operation. During thisvolume should be set to the level that begin the adjustment process.
process, the unit is adjusted so that theyou will use during a typical listening
output levels from each channel is set session. Finally, make certain that the4. The Test Tone will stop circulating
so that all channels have a referenceBalance Controlôis set to the centerand be heard through the center channel
level that is as close to one another asO12 OOclock� position.only. If the center channel appeared to
be at a level above or below the front
possible. A small amount of time spent left/right channels while the tone was
to properly calibrate the AVR55Os output1. Press the Test Tonebutton kcirculating, press the Speaker Level
levels will enable the unit to deliver allon the remote to begin the adjustmentAdjustbuttons mto raise or lower the
the performance it is capable of withinprocess. A test noise will circulate fromvolume so that the tone is the same level
the environment of your specificone speaker channel to the next, as indi-as the other channels. When the adjust-
listening room.cated in the Information DisplayF.
ment is complete, press the Channel
IMPORTANT NOTE: Many listeners2. Take a minute to listen to the testSelectbutton lto move to the next
are often confused about the operationnoise from each speaker as the locationchannel.
of the rear (surround) channels. Whileindicated in the display changes. Check5. The Test Tone will now be heard
some assume that sound should alwaysto make certain that, for example, whenthrough the right surround speaker.
be coming from each speaker, most of thethe display reads TEST-FRONT L,As with the center channel speaker, use
time there will be little or no sound inthat the test noise is coming from thethe Speaker Level Adjustbuttons
the surround channels. This is becausefront left speaker. If the test toneOs loca-mto adjust the level as required so
they are only used when a movie directortion does not match the display for anythat the tone is the same level as the
or sound mixer specifically places soundchannel, press the Test Tonebuttonother channels. When the adjustment is
there to create ambiance, an effect or tokto end the adjustment and turn complete, press the Channel Select
continue action from the front of thethe unit off using the Main Powerbutton l to move to the next channel.
room to the rear. When the output levelsSwitch1. Check all connections to
are properly set it is normal for rear/maker certain the Speaker Outputs6. The Test Tone will now be heard
surround speakers to operate onlyŢare connected to the proper speaker.through the left surround speaker. As
occasionally. Artificially increasing thewith the previous channels, use the
Speaker Level Adjustbuttons mto
volume to the rear speakers may destroyInstallation Hint: While the test tone isadjust the level as required so that the
the illusion of an enveloping sound fieldcirculating among the channels, make test tone is the same level as the other
that duplicates the way you hear sounda note if it sounds reasonably equal inchannels. When the adjustment is com-
in a movie theater or concert hall.volume, or if one channel or more
channels seems significantly louder thanplete press the Test Tonebutton k
the others.twice so that the tone momentarily stops,
and then begins to circulate.
AVR55 120 volt |
ACEC
