CP-3DigitalSurroundProcessorOwner's Manual
5Introductionto the CP-3CP-3 Digital Surround ProcessorEssentially, the CP-3 can be thought of as a line level preamp with oneaudio-only and three aud
7CP-3 Digital Surround Processor2Controls andIndicatorsThe Front PanelInstallation andCalibrationThe PROGRAM button stepsthrough the modes of theb
8LexiconThe Rear PanelControls andIndicatorsCAUTION: Never make or break any connectionsto the CP-3 with the rear-panel power ON. Makesure any associa
9CP-3 Digital Surround ProcessorControls andIndicators2. Main MuteTurns off all outputs, lightsboth MAIN and EFX MUTELEDs and displays “SYS-TEM
10LexiconControls andIndicatorsThe ExpandedRemote1. The ModesTHX CINEMA (15) combinesDolby Pro Logic decodingand the spectral enhance-ments of
11CP-3 Digital Surround ProcessorControls andIndicators5. BankThe BANK button switchesbetween the three registerbanks: the Presets and thetwo U
12LexiconConnectionConnectionLocationConsiderationsThe CP-3 is a highly specialized signal processing computer and requiresspecial care during install
13CP-3 Digital Surround ProcessorConnectionWiring ConsiderationsAudio/Video CablesThere is controversy over the audible effects of different types of
14LexiconConnectionAudio/VideoConnectionsBefore making any connections, turn off ALL audio and video components,including individual power amplifiers.
15CP-3 Digital Surround ProcessorIf there are four or fewer sources to be used in the system, they can each beconnected directly to the CP-3 inputs. A
LexiconLexicon Part #070-08342 Rev 1Printed in the United States of AmericaLexicon, Inc.• 3 Oak Park Bedford, MA 01730 USA Tel 781-280-0300 Fax 781-28
16LexiconConnecting the CP-3in a Tape Monitor LoopIf you have a receiver with no external access to the preamplifier outputs,you can use a tape output
17CP-3 Digital Surround ProcessorVideo ConnectionsThe CP-3 has three video inputs and one video output. The inputs arelabeled VIDEO IN 1, 2, and 3, an
18LexiconLCD AdjustmentDepending on the location of the CP-3 in your room, you may need to adjustthe front panel Liquid Crystal Display (LCD) for opti
19CP-3 Digital Surround ProcessorThe VideoOn-Screen DisplayIn addition to the front-panel LCD, the CP-3 contains a character generatorfor a video over
20LexiconCalibrationPress SETUP to display the Setup menu. PARAM will step the cursorthrough the Setup menu selections. Once an item is selected, pre
21CP-3 Digital Surround ProcessorCalibrationSetting the SpeakerConfigurationThe CP-3 Configuration Menu allows a wide range of choices in speakerplace
22LexiconCalibrationSettingInput LevelsThere are four inputs on the CP-3. Inputs 1, 2 and 3 switch audio and video;Input 4 switches audio only and ou
23CP-3 Digital Surround ProcessorCalibrationThe PARAM ▲ and ▼ buttons increase or decrease the input gain for theinput you have selected over a range
24LexiconCalibrationAuto-Mode Load(Automatic Input ModeLoading)Auto-Mode Load determines which operating mode will be engaged whena specific input is
25CP-3 Digital Surround ProcessorCalibrationSettingOutput LevelsNOTE: Because the CP-3 isnot capable of generating PALor SECAM composite videosi
Safety SuggestionsRead Instructions Read all safety and operating instruc-tions before operating the unit.Retain Instructions Keep the safety and oper
26LexiconCalibrationIn the absence of an SPL meter, it is possible to set the output level by ear.Use the built-in signal generator in the CP-3 to adj
27CP-3 Digital Surround ProcessorCalibrationThe Listener Position must be calibrated for the Panorama mode and thePanorma Effect parameter in Reverb a
28LexiconCalibrationMove your head from side to side to findthe position where the noise is full left,and the right ear hears near total silence.When
29CP-3 Digital Surround ProcessorCalibrationSetting Rear DelayRear Delay SettingsWhen presented with several similar sounds (as in the case of surroun
30LexiconCustomizationCustomizationLocking In SettingsAfter you have calibrated and customized the CP-3, there are two additionalsteps recommended to
31CP-3 Digital Surround ProcessorCustomizationCustom Modes At this point an underline character appears in the bottom row of the LCDdisplay. (On the
32LexiconCustomizationChapter 3 describes the CP-3’s four basic modes and all of their variableparameters. Any changes in the parameters of a mode in
33CP-3 Digital Surround ProcessorCustomizationTo rename any mode, press the STORE button. The display reads:STORE MENU>STORE THIS MODESET MODE NAME
35Usingthe CP-3CP-3 Digital Surround Processor3Using theModesThe CP-3 contains four basic operating modes: Panorama, Ambience,Reverb and Surroun
36Usingthe CP-3LexiconPanorama ParametersPanorama extracts the natural ambience from recorded music and moves itoutward from the speakers, producing g
CP-3Digital SurroundProcessorOwner'sManual
37Usingthe CP-3CP-3 Digital Surround ProcessorINPUT BALANCE compensates for the occasional source with audiblechannel imbalance. It is especially impo
38Usingthe CP-3LexiconAmbienceAmbience generates the appropriate early reflections for stereo simulationof one of six different halls — one rectangula
39Usingthe CP-3CP-3 Digital Surround Processorside speakers are absent. (If the system is configured without side speakers,the signal normally sent to
40Usingthe CP-3Lexiconessed stereo signal.Note that the S/N Optimizer is not active in this mode.The Reverberation mode differs from Ambience in that
41Usingthe CP-3CP-3 Digital Surround Processorvalue of 0 is usually a good starting point. Increasing the pre-delay willmake the hall sound larger.PAN
42Usingthe CP-3LexiconSurroundThe SURROUND modes make full use of additional loudspeakers at thecenter, sides and rear of the room. TELEVISION provide
43Usingthe CP-3CP-3 Digital Surround Processormusic. When it is on, special patented algorithms continually monitor theinput signal and adjust both th
44Usingthe CP-3LexiconMusic* OFF if configured with no center speaker** BYPASS if center speaker configured as NONE or FULL; 63 Hz if configured as
45Usingthe CP-3CP-3 Digital Surround ProcessorREAR ROLLOFF sets the frequency above which the rear channel sound isattenuated. It should be high enoug
46Usingthe CP-3LexiconMono Logic* 6 if configured with center speaker; 15 if configured without center speaker (Presets only)The setting of EFFECT LE
CP-3 Digital Surround ProcessorContents1 Introduction to the CP-3 1Introduction 1Using the Documentation 3System Overview 42 Installation and Calibrat
47Usingthe CP-3CP-3 Digital Surround ProcessorPro Logic* depends on speaker configuration** Inaccessible if side speakers configured as THX or NONEEFF
48Usingthe CP-3Lexicon* depends on speaker configurationTHX CinemaEFFECT LEVEL is inactive in this mode.The RE-EQUALIZER equalizes the left, center an
49CP-3 Digital Surround ProcessorTroubleshootingTroubleshooting4TroubleshootingIf you encounter a problem, please review the items in the followingche
50LexiconTroubleshootingProblem Possible Cause and SolutionHum Finding and eliminating audio hum in a complex installation can be avery frustrating ta
51CP-3 Digital Surround ProcessorTroubleshootingRoutine MaintenanceOther than occasional replacement of the batteries in the remote controlunits, the
53CP-3 Digital Surround ProcessorInstallationDocumentation5InstallationDocumentationInstallationDocumentationThis section is provided for the document
54LexiconInstallationDocumentationPress SETUP to display the Setup menu. PARAM will step the cursorthrough the Setup menu selections. Once an item is
55CP-3 Digital Surround ProcessorInstallationDocumentationInstallation WorksheetCP-3 serial #_________Installed by________________________________Phon
57CP-3 Digital Surround ProcessorSpecifications6SpecificationsInputs: Audio: 4 stereo pairsMinimum Input Level: 300 mVrms for maximum output35 mVrms f
Lexicon Part #070-08342 Rev 1Printed in the United States of AmericaLexicon, Inc.3 Oak ParkBedford, MA 01730Tel 781-280-0300Fax 781-280-0490
1Introductionto the CP-3CP-3 Digital Surround ProcessorIntroduction1All of the operating modes of the Lexicon CP-3 Digital Surround Processorhave a co
2Introductionto the CP-3LexiconThe Ambience and Reverberation modes transform the listening room intoa new acoustic space, letting you choose an envir
3Introductionto the CP-3CP-3 Digital Surround ProcessorUsing theDocumentationBecause the CP-3 is designed to be customized for your system and yourlis
4Introductionto the CP-3LexiconSystem OverviewAlthough the CP-3 performs very complex signal processing, a great deal ofeffort has gone into making th
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