Delaysettings - Harman Kardon AVR 520 Owner's Manual

System Configuration
If the front left/right speakersareset to
L A RGE, three options areavailable:
• If no subwooferis connectedto the
AVR520, pressthe ,/I_ Buttons _
on the remoteso that NONE appearsin
the on-screenmenu.When this option is
selected,all bassinformationwill be routed
to the front left/right "main" speakers.
• If a subwooferis connectedto the AVR520,
you havethe option to havethe front
left/right "main" speakersreproducebass
frequenciesat all times,and havethe sub-
woofer operate only when the AVR520 is
being usedwith a digital sourcethat con-
tains a dedicatedLowFrequency Effects, o r
LFE soundtrack. T hisallowsyou to useboth
your main andsubwooferspeakers to take
advantageof the specialbasscreatedfor
certain movies.Press_i/I_ Buttons
_ on the remotesothat S UB
( LFE ) appearsin the on-screenmenu.
• If a subwooferis connectedand you wish to
use it for bassreproductionin conjunction
with the mainfront left/right speakers,
regardlessof the type of programsourceor
Surroundmodeyou are listeningto, press
the _/I_ Buttons li_)_ on the remote
so that S UB L F E+ L / R appearsin
the on-screenmenu.When this option is
selected,a full-rangesignal will be sentto
the front left/right "main" speakers, a nd the
subwooferwill receivethe bassfrequencies
underfrequencyselectedin the next option
setting on this menu,as described below.
Whenyouhavecompleted yourselection forthe
subwoofer, pressthe • button _ on the
remoteto changethe cursorto S UB X -
OV ER F REQ. Thesubwoofercrossover set-
ting may only be adjustedusingthe on-screen
displaysystem.
At this line, you will selectthe frequencyat
which bassinformationis directedto the
Subwoofer Output i_. Thechoicesavailable
will dependon the setting madepreviouslyfor
the front left/right speakers. W hen making
theseselections, c hoose the crossover frequency
that is closestto that of yourfront left/right
speakers, o r the upperfrequencylimit of your
subwoofer. T hisfigure is normallyprintedin the
owner'smanualor data sheetfor the speakers;
or consultthe speaker's manufacturer.
• Whenthe front speakershavebeensetto
L A RGE, the crossover choicesare
q O H z or 6 O Hz to matchthe typical
crossover pointsof full rangespeakers.
Choosethe option that is closestto your
speakers' d esign.
• When the front speakershavebeensetto
S MA L L, the crossover c hoicesare
6 O H z or 10 O H z to matchthe typical
crossover pointsof the smallerspeakers
usedin satellite speakersystems. C hoose
the option that is closestto your speakers'
design.
When all speaker selections have been made,
press the • Button q_t and then the Set
Button Ii_ to return to the Master
menui
Delay Settings
If DolbyDigitalor DolbyProLogicis selectedas
the surroundmodefor an input, you may need
to adjustthe delay time setting.Note that the
delaytime is not adjustablefor any othermodes.
Dueto the different distancesbetweenthe
listeningpositionfor the front-channelspeakers
and the surroundspeakers, t he amountof time
it takesfor soundto reachyour earsfrom the
front versussurroundspeakersdiffers.Youmay
compensate for this differencethrough the use
of the delaysettingsto adjustthe timing for
the speakerplacementand acousticconditions
in yourlisteningroomor hometheater.
Thefactory settingis appropriatefor most
rooms,but someinstallationscreatean uncom-
mon distancebetweenthe front and surround
speakers that may causethe arrivalof front-
channelsoundsto becomedisconnected from
surround-channel s ounds.
Toresynchronize the front andsurroundchan-
nels,follow thesesteps:
1. Measurethe distancefrom the listening
positionto the front speakers.
2. Measurethe distancefrom the listening
positionto the surroundspeakers.
3. Subtract t he distance to the surroundspeak-
ersfrom the distance to the front speakers.
a.When settingthe delay time for the
DolbyDigitalsurroundmodes,the opti-
mal delay time is the resultof that sub-
traction.Forexample,if the front speak-
ers areten feet awayand the surround
speakers are five feet away,the optimal
delaytime is figured as 10-5=5. Thus,
in this example, t he delay time for Dolby
Digitalshould be set at five milliseconds.
b.When settingthe delaytime for the Pro
Logicmode,take the result of the sub-
traction and add 15 to obtain the opti-
mal delaytime. Forexample,if the front
speakers are ten feet awayandthe sur-
roundspeakersarefive feet away,the
optimal delaytime is figured as
10-5+15=20. Thus,in this example, t he
ProLogicdelay shouldbe set at twenty
milliseconds.
NOTE:TheDTS,Logic7 and DSPmodesuse a
fixed, nonadjustable delay time.
TheDolbyDigital modealso includesa separate
settingfor the CenterChannelDelaymode,
sincethe discretenature of thesesignalsmakes
the locationof the center-channel speakermore
critical.Tocalculatethe delayfor the center
channel,measurethe distancefrom the pre-
ferred listeningpositionin the centerof the
roomto both the center-channel speakerand
either the left or right speaker.
Ifthe distances are equal,no further adjustment
is requiredand the centerdelayshouldbe set to
zero.If the distanceto the front speakersis
greaterthan the distanceto the centerspeaker,
you may wish to repositionthe speakers by
movingthe front left and front right speakers
closerto the listeningpositionor the center
speakerfurther awayfrom the listeningposition.
If repositioningof the speakers is not possible,
adjustthe centerdelaytime,adding one milli-
secondof center-channel d elayfor everyfoot
closerto the listeningpositionthe center
speakeris than the front speakers. F orexample,
if the front left and front right speakers are
each 10 feet from the listeningpositionand the
center-channel speakeris 8 feet away,the delay
is figured as 10-8=2, suggesting an optimal
centerdelayof 2 milliseconds.
Toset the delaytime for a specificinput,
the DELAY ADdUST menu (Figure6)
shouldbe visibleon youron-screendisplay.If
the systemis not alreadyat that point, press
the OSD Button I_ to bring up the MAS -
TER MENU, pressthe • Button _ three
times or until the on-screen• cursoris pointing
atthe DELAY ADdUST line. Press the
Set Button _ to call up the menu.
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23 SYSTEMCONFIGURATION