Harman Kardon AVR 7000 Owner's Manual

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21 SYSTEM CONFIGURATIONspecific speaker placement and acoustic condi-tions in your listening room or home theater.The factory setting is appropriate for mostrooms, but some installations create an uncom-mon distance between the front and surroundspeakers that may cause the arrival of frontchannel sounds to become disconnected fromsurround channel sounds.To resynchronize the front and surround chan-nels, follow these steps:1. Measure the distance from the listeningposition to the front speakers.2. Measure the distance from the listeningposition to the surround speakers.3. Subtract the distance to the surround speak-ers from the distance to the front speakers.a. When setting the delay time for theDolby Digital surround modes, the opti-mal delay time is the result of that sub-traction. For example, if the front speak-ers are ten feet away and the surroundspeakers are five feet away, the optimaldelay time is figured as 10–5=5. Thus, inthis example, the delay time for DolbyDigital should be set at five milliseconds.b. When setting the delay time for the ProLogic mode, take the result of the sub-traction and add 15 to obtain the opti-mal delay time. For example, if the frontspeakers are ten feet away and the sur-round speakers are five feet away, theoptimal delay time is figured as10–5+15=20. Thus, in this example, thePro Logic delay should be set at twentymilliseconds.NOTE: The DTS, Logic 7, Hall and Theatermodes use a fixed, nonadjustable delay time.The Dolby Digital Mode also includes a sepa-rate setting for the center channel delay mode,since the discrete nature of these signals makesthe location of the center channel speaker morecritical. To calculate the delay for the centerchannel, measure the distance from the pre-ferred listening position in the center of theroom to both the center channel speaker andeither the left or right speaker.If the distances are equal, no further adjustmentis required and the center delay should be set tozero. If the distance to the front speakers isgreater than the distance to the center speaker,you may wish to reposition the speakers bymoving the front left and front right speakerscloser to the listening position or the centerspeaker further away from the listening position.If repositioning of the speakers is not possible,adjust the center delay time, adding one milli-second of center channel delay for every footcloser to the listening position the centerspeaker is than the front speakers. For example,if the front left and front right speakers areeach 10 feet from the listening position and thecenter channel speaker is 8 feet away, the delayis figured as 10–8=2, suggesting an optimalcenter delay of 2 milliseconds.To set the delay time for a specific input,continue within the SURROUND SETUP(Figure 4) menu. If the system is not already atthat point, press the OSD button s to bringup the main audio setup menu, press the ¤button g5 and then the Set button i(to bring up the surround setup menu, and thenpress the ¤ button g5 once.If the Dolby Digital mode is selected, the › cur-sor will stop at the CENTER DELAY line.In that case, press the ‹/› buttons juntil the desired figure appears in the display,using the number calculated using the formulashown above. When the CENTER DELAYis entered, press the ¤ button g5 once tomove to the next line.When the CENTER DELAY is set, or if theDolby Pro Logic mode is selected, the › cursorwill be at the SURR DELAY line so thatthe delay for the surround speakers may be set.Press the ‹/› buttons j until thedesired figure appears in the display, using thenumber calculated using the formula shownabove. When the delay settings are complete,press the ¤ button g5 once to move tothe next line.Note that the delay settings may also beadjusted at any time when the Dolby Digital orDolby Pro Logic modes are in use by pressingthe Delay button on the front panel Ô orremote , followed by a press of the Setbutton (i. Next, press the ⁄/¤ buttonsg5 until the desired figure appears in theMain Information Display W.Crossover FrequencyThe crossover frequency is the point at whichthe AVR 7000 divides low frequency, or basssounds, from the rest of the audio output. Thisis important as it enables you to match the per-formance of the AVR’s’ bass management sys-tem to the precise characteristics of your speak-ers and subwoofer. When a subwoofer is used,this setting determines which sounds go to thesubwoofer and which to your other speakers.Before entering the data for this setting, youwill need to find out what the crossover pointof your subwoofer is. This is the number that isthe high range of your subwoofer’s frequencyresponse. Consult the Owner’s Manual for yoursubwoofer, and look for the frequency responseline on the specifications page. The number atthe high end is the figure that should be usedfor the crossover point. If your subwoofer hasan adjustable crossover, set it for 80Hz, 90Hzand 100Hz, and then enter that setting into theAVR 7000.To set the crossover point, make certain thatthe › cursor is on the CROSSOVERFREQ line. Next, press the ‹/› buttonsj until the desired figure appears on thescreen. If the choices shown do not match thechoices available, select the number closest tothe required number.If you do not know the correct crossover point,or are unable to find the information, leave thefactory default in effect. If it appears that thereis a “hole” in the smoothness of the system’ssound, as evidenced by rough transitions frombass to higher-range sounds, choose a highersetting than the default.For all modes other than Dolby Digital, theSurround Setup is now complete. Press the ¤button g5 one more time so that the ›cursor is next to RETURN TO MENU, andpress the Set button i(. For the DolbyDigital mode, there is one more adjustment tobe made. Press the ¤ button g5 to go tothe NIGHT MODE setting line.Night Mode SettingsThe Night mode is a feature of Dolby Digitalthat uses special processing to preserve thedynamic range and full intelligibility of a moviesound track while reducing the peak level. Thisprevents abruptly loud transitions from disturb-ing others, without reducing the sonic impact ofa digital source. Note that the Night mode is29282929System Configuration