System Configuration
Y If a subwoofer is connected to the AVR 320,the option that is closest to your speakersOround speakers are five feet away, the
you have the option to have the frontdesign.optimal delay time is figured as
left/right Omain� speakers reproduce bassWhen all speaker selections have been made,10�5+15=20. Thus, in this example, the
frequencies at all times, and have the sub-press the ¤ Button n and then the SetPro Logic delay should be set at twenty
woofer operate only when the AVR 320 ismilliseconds.
being used with a digital source that con-Button p to return to the Master
tains a dedicated Low Frequency Effects, ormenu.NOTE: The DTS, Logic 7 and DSP modes use a
LFE soundtrack. This allows you to use bothfixed, nonadjustable delay time.
Delay Settings
your main and subwoofer speakers to takeIf Dolby Digital or Dolby Pro Logic is selected as
advantage of the special bass created forthe surround mode for an input, you may needThe Dolby Digital mode also includes a separate
certain movies. Press ?/? Buttonssetting for the Center Channel Delay mode,
o 37 on the remote so that SUBto adjust the delay time setting. Note that thesince the discrete nature of these signals makes
(LFE) appears in the on-screen menu.delay time is not adjustable for any other modes.the location of the center-channel speaker more
critical. To calculate the delay for the center
Y If a subwoofer is connected and you wish toDue to the different distances between the
use it for bass reproduction in conjunctionlistening position for the front-channel speakerschannel, measure the distance from the pre-
with the main front left/right speakers,and the surround speakers, the amount of timeferred listening position in the center of the
room to both the center-channel speaker and
regardless of the type of program source orit takes for sound to reach your ears from theeither the left or right speaker.
Surround mode you are listening to, pressfront versus surround speakers differs. You may
the ?/? Buttons o 37 on the remote compensate for this difference through the useIf the distances are equal, no further adjustment
so that SUB LFE+L/R appears inof the delay settings to adjust the timing for
the on-screen menu. When this option isthe speaker placement and acoustic conditionsis required and the center delay should be set to
selected, a full-range signal will be sent toin your listening room or home theater.zero. If the distance to the front speakers is
greater than the distance to the center speaker,
the front left/right Omain� speakers, and theyou may wish to reposition the speakers by
subwoofer will receive the bass frequenciesThe factory setting is appropriate for mostmoving the front left and front right speakers
under frequency selected in the next optionrooms, but some installations create an uncom-
setting on this menu, as described below.mon distance between the front and surroundcloser to the listening position or the center
speakers that may cause the arrival of front-speaker further away from the listening position.
When you have completed your selection for the
subwoofer, press the ¤ button n on thechannel sounds to become disconnected fromIf repositioning of the speakers is not possible,
remote to change the cursor to SUB X-surround-channel sounds.adjust the center delay time, adding one milli-
OVER FREQ.The subwoofer crossover set-To resynchronize the front and surround chan-second of center-channel delay for every foot
ting may only be adjusted using the on-screennels, follow these steps:closer to the listening position the center
display system.speaker is than the front speakers. For example,
if the front left and front right speakers are
At this line, you will select the frequency at1. Measure the distance from the listeningeach 10 feet from the listening position and the
which bass information is directed to theposition to the front speakers.center-channel speaker is 8 feet away, the delay
Subwoofer Output .The choices available2. Measure the distance from the listeningis figured as 10�8=2, suggesting an optimal
will depend on the setting made previously forposition to the surround speakers.center delay of 2 milliseconds.
the front left/right speakers. When making
these selections, choose the crossover frequencyTo set the delay time for a specific input,
that is closest to that of your front left/right3. Subtract the distance to the surround speak-the DELAY ADJUST menu (Figure 6)
ers from the distance to the front speakers.
speakers, or the upper frequency limit of yourshould be visible on your on-screen display. If
subwoofer. This figure is normally printed in thea. When setting the delay time for thethe system is not already at that point, press
ownerOs manual or data sheet for the speakers;Dolby Digital surround modes, the opti-the OSD Button v to bring up the MAS-
or consult the speakerOs manufacturer.TER MENU,press the ? Button n three
mal delay time is the result of that sub-times or until the on-screen ? cursor is pointing
Y When the front speakers have been set totraction. For example, if the front speak-at the DELAY ADJUST line. Press the
ers are ten feet away and the surround
LARGE,the crossover choices arespeakers are five feet away, the optimalSet Button p to call up the menu.
40 Hz or 60 Hz to match the typicaldelay time is figured as 10�5=5. Thus,
crossover points of full range speakers.
Choose the option that is closest to yourin this example, the delay time for Dolby
speakersO design.Digital should be set at five milliseconds.
Y When the front speakers have been set tob.When setting the delay time for the Pro
SMALL,the crossover choices areLogic mode, take the result of the sub-
80 Hz or 100 Hz to match the typicaltraction and add 15 to obtain the opti-
crossover points of the smaller speakersmal delay time. For example, if the front
used in satellite speaker systems. Choosespeakers are ten feet away and the sur-
23 SYSTEM CONFIGURATION |
ACEC
HARMAN KARDON
