NAD T 187 Owner's Manual
Also see for T 187: Owner's manualService manual
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Contents
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The SPL meter should be placed at the primary listening position, atapproximately the height of the seated listener’s head. A tripod is helpfulbut with a little duct tape almost anything — a pole lamp, music-stand,or ladder-backed chair, for example — can do as well. Just be sure that nolarge acoustically reflective surfaces obstruct or are near the microphoneelement.Orient the meter with its microphone (usually at one end) pointing straightup toward the ceiling (not toward the speakers) and ensure that “C”weighting scale is selected. Set the meter to display 75 dB SPL. On RadioShack meters, this necessitates either setting the meter to its 80 dB rangeand taking your readings at the -5 point or selecting the 70 dB range andreading at the +5 point.SETTING SPEAKER LEVELS AT TEST MODEWhile at ‘Speaker Levels’ menu, press the HTR 8 remote’s [TEST] keyactivating the T 187’s Speaker Levels balancing test signal . You will hear a“surf” sound as you step through your speakers (‘test’ appears to the rightside of the current speaker), beginning with the Front Left. If you do nothear the test signal, check your speaker connections or your ‘Speaker Setup’OSD menu settings.Use the remote’s [D/F] keys to adjust the loudness of the noise outputfrom the currently playing channel to the required level (it’s usuallysimplest to begin with the Front Left). As you cycle the test signal aroundthe speakers, the OSD will highlight the currently playing channel. The“level offset” reading on the right will change by 1 dB increments; ±12 dBadjustment is available. Press ‘ENTER’ to adjust the next speaker.NOTEIf you are balancing levels “by ear”, choose one speaker—usually thecenter—as a reference and adjust each of the others in turn to “sound asloud” as the reference. Be sure that you remain in the primary listeningposition while balancing all channels.To produce the same SPL meter reading (or subjective loudness), use the remote’s[D/F] keys to adjust each speaker.NOTESt "MMTQFBLFSTNVTUCFJOUIFJSöOBMMPDBUJPOTCFGPSFMFWFMTFUUJOHt :PVSTVCXPPGFS JGBOZ TIPVMECFTFUXJUIJUTJOUFHSBMDSPTTPWFSEFGFBUFE or if undefeatable, set to its highest-possible frequency if you are usingthe T 187's Subwoofer output. Final subwoofer-level adjustment “by-ear,”using music and film sound material, is frequently useful.t %VFUPUIFFòFDUTPGSPPNBDPVTUJDT NBUDIFEQBJSTQFBLFST GSPOU TVSSPVOE CBDL XJMMOPUBMXBZTDBMJCSBUFUPFYBDUMZUIFTBNFMFWFMPòTFUreadings.You can exit ‘Test’ mode at any time by pressing [A] key, bringing you backto ‘Speaker Setup’ menu. You can also press the [TEST] key to discontinuethe ‘Test’ mode.SPEAKER DISTANCEYour system’s speaker distance settings are a subtle but importantrefinement of your setup. Informing the T 187 of the loudspeaker-to-listenerdimensions of each speaker automatically imposes the correct delays,optimizing imaging, intelligibility and surround-sound ambience. Enter yourdimensions with precision within about 1 foot (30 cm).SETTING SPEAKER DISTANCEWhile at ‘Speaker Distance’ menu, use the [D/F] keys to individually setFront Left, Center, Front Right, Surround Right, Back Right, Back Left, SurroundLeft and Subwoofer to the distance measuring from your principal listeningposition to the front surface of their corresponding loudspeakers. Distancecan be set up to 30 feet or 9.1 meters Distance can be displayed as feet ormeters selectable at the ‘Unit of Measure’ item.ADJUSTING THE VOLUMEIn addition to the Volume knob, use the HTR 8’s [VOL D/F] to adjust the“master volume” of the T 187 raising or lowering the channels altogether. Amomentary keypress will change the master volume by 1 dB increments. If youhold down [VOL D/F], the master-volume change will “run-on” until the keyis released.Since recordings vary considerably in overall average level, there is noimperative to listen at any particular master-volume setting. A setting of -20 dBmay sound “as loud” from one CD or DVD as -10 dB does from another.The T 187 will power-up from Standby mode at whatever master volumesetting was last used; however, if the prior setting was greater than –20 dB,the T 187 will power up at –20 dB. This prevents inadvertently beginning asession at excessive volume.MUTING THE SOUNDUse the HTR 8’s [MUTE] key to silence all channels completely. Muting isalways available regardless of the source or listening mode selections.NOTESt $IBOHJOHJOQVUPSMJTUFOJOHNPEFTFMFDUJPOTEPFTOPUSFMFBTFNVUJOHt "EKVTUJOHUIFWPMVNFMFWFMWJBUIF)53PSUIFGSPOUQBOFMWPMVNFLOPCwill automatically release the mute function.OPERATIONUSING THE T 187 – SETUP MENU22ENGLISH FRANÇAIS ESPAÑOL ITALIANO DEUTSCH NEDERLANDS SVENSKA РУССКИЙ |
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