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CP-3 Digital Surround Processor Owner's Manual.
Lexicon Lexicon Part #070-08342 Rev 1 Printed in the United States of America Lexicon, Inc.• 3 Oak Park Bedford, MA 01730 USA Tel 781-280-0300 Fax 781-280-0490 Acknowledgements The CP-3 is manufacture d under license from Dolby Laboratories Licensin g Corporation.
Safety Suggestions Read Instructions Read all safety and operating instruc- tions before operating the unit. Retain Instructions Keep the safety and operating instruc- tions for future reference. Heed Warnings Adhere to all warnings on the unit and in the operating instructions.
CP-3 Digital Surround Processor Owne r's Manual.
CP-3 Digital Surround Processor Contents 1 Introduc tion to the CP-3 1 Introduction 1 Using the Documentation 3 System Overview 4 2 Installation and Calibratio n 7 Controls and Indicators 7 The Fro nt.
1 Introduction to the CP-3 CP-3 Digital Surround Processor Introduction 1 All of the operating modes of the Lexicon CP-3 Digital Surround Processor have a common goal: to draw you, the listener, more deeply into a musical performance or a film.
2 Introduction to the CP-3 Lexicon The Ambience and Reverberation modes transform the listening room into a new acoustic space, letting you choose an environment which matches your music or your mood.
3 Introduction to the CP-3 CP-3 Digital Surround Processor Using the Docu ment ation Because the CP-3 is designed to be customized for your system and your listening space, the information required for installation is considerably more extensive than that required for use of the system.
4 Introduction to the CP-3 Lexicon System Overview Although the CP-3 performs very complex signal processing, a great deal of effort has gone into making the technology behind the effects as transparent as possible to the user. To understand the overall organization of the unit, it is helpful to define those few terms which are unique to the CP-3.
5 Introduction to the CP-3 CP-3 Digital Surround Processor Essentially, the CP-3 can be thought of as a line level preamp with one audio-only and three audio/video inputs. It behaves as the master proces- sor for your system, controlling system volume, balance, source selections and acoustical environments.
7 CP-3 Digital Surround Processor 2 Controls and Indicators The Front Panel I nstallation and Calibration The PROGRAM button steps thr ou gh th e mo d es o f th e bank currently in use.
8 Lexicon The Rear Panel Controls and Indicators CAUTION: Never make or br eak any connections to t he CP-3 with th e rear-panel power ON. Make sure any associated amplifiers have been turned off for at least on e minute bef ore turning thi s master power switch on or off .
9 CP-3 Digital Surround Processor Controls and Indicators 2. Main Mute Turns off all outputs, lights both MAIN and EFX MUT E LE D s an d d is p l ays “ S YS - T E M M U T E D .
10 Lexicon Controls and Indicators The Expanded Remote 1. The Modes THX CINEMA ( 15) combines Dol by P ro Lo gi c d ec oding and th e spectral en hance - m e n t s o f t h e L u c a s F i l m Home THX Cinema system t o r e- cr e at e fi lm soun d in your home the way it was heard in the final production stages.
11 CP-3 Digital Surround Processor Controls and Indicators 5. Bank The BANK button switche s between the three registe r banks: the Presets and the two User register Banks (A & B) where customized modes may be stored.
12 Lexicon Connection Connection Location Cons iderations The CP-3 is a highly specialized signal processing computer and requires special care during installation to ensure optimum performance. The CP-3 may be installed on a shelf or in a standard 19" equipment rack, using rack-mounting hardware available from Lexicon.
13 CP-3 Digital Surround Processor Connection Wiring Considerations Audio/Video Cables There is controversy over the audible effects of different types of intercon- nects.
14 Lexicon Connection Audio/Video Connections Before making any connections, turn off ALL audio and video components, including individual power amplifiers.
15 CP-3 Digital Surround Processor If there are four or fewer sources to be used in the system, they can each be connected directly to the CP-3 inputs. A typical system might use Input 1 for television, Input 2 for VCR, Input 3 for video disc and Input 4 for CD player or turntable (output through a preamp).
16 Lexicon Connecting the CP-3 in a Ta pe Monitor Loop If you have a receiver with no external access to the preamplifier outputs, you can use a tape output or external processor loop to the CP-3. However, any change in the receiver’s volume control after the system is adjusted will upset the balance between the main and auxiliary speakers.
17 CP-3 Digital Surround Processor Video Connec tions The CP-3 has three video inputs and one video output. The inputs are labeled VIDEO IN 1, 2, and 3, and are switched along with audio inputs 1, 2, and 3 via the front panel or either remote. (Audio Input 4 will use the video signal from Video Input 1.
18 Lexicon LCD Adjustment Depending on the location of the CP-3 in your room, you may need to adjust the front panel Liquid Crystal Display (LCD) for optimum viewing. To adjust this display, press the SETUP key on the Expanded Remote. The CP-3 is now in SETUP mode.
19 CP-3 Digital Surround Processor The Video On-Screen Display In addition to the front-panel LCD, the CP-3 contains a character generator for a video overlay display on television sets.
20 Lexicon Calibration Press SETUP to display the Setup menu. PARAM will step the cursor through the Setup menu selections. Once an item is selected, pressing PARAM ▲ or ▼ will display a sub-menu for that item. With the sub-menu displayed, PARAM once again selects menu items.
21 CP-3 Digital Surround Processor Calibration Setting the Speaker Configuration The CP-3 Configuration Menu allows a wide range of choices in speaker placement and room setups to maintain optimal performance in almost any room with virtually any speaker system.
22 Lexicon Calibration Setting Input Leve ls There are four inputs on the CP-3. Inputs 1, 2 and 3 switch audio and video; Input 4 switches audio only and outputs the video signal from Video Input 1. Each input can be assigned an individual gain level to compensate for sources with different output levels.
23 CP-3 Digital Surround Processor Calibration The PARAM ▲ and ▼ buttons increase or decrease the input gain for the input you have selected over a range of -18dB to +12dB. Your setting is displayed(in dB) as the MAN (manual) setting. The AUTO setting shows the optimum input level as determined by the CP-3.
24 Lexicon Calibration Auto-Mode Loa d (Automatic Input Mode Loading) Auto-Mode Load determines which operating mode will be engaged when a specific input is selected. For example, the input for a video disc player would load the Home THX Cinema mode, while the input for a CD player would load the Music Surround mode.
25 CP-3 Digital Surround Processor Calibration Setting Output Levels NOTE: Because the CP -3 is not capable of generating PA L or SE C A M c o mp o s i t e v i de o signals by itself, du ring INT ER- NAL NOISE generation (when all input s are turned off) users with P AL or SECAM TVs will have to re ly on the LCD when adjusting Output Levels.
26 Lexicon Calibration In 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 adjust all volumes to be the same as they cycle around the various speakers. Depending on timbre variations between your speakers, this may be difficult to judge, get as close as you can.
27 CP-3 Digital Surround Processor Calibration The Listener Position must be calibrated for the Panorama mode and the Panorma Effect parameter in Reverb and Ambience modes to work opti- mally. Calibration of the listener position is performed from the setup menu.
28 Lexicon Calibration Move your head from side to side to find the position where the noise is full left, and the right ear hears near total silence. When calibrating right, if your left ear is in the silent band, the speaker angle is correct.
29 CP-3 Digital Surround Processor Calibration Setting Rear Delay Rear Delay Settings When presented with several similar sounds (as in the case of surround sound) we tend to localize on the first sound we hear.
30 Lexicon Customization Customization Locking In Settings After you have calibrated and customized the CP-3, there are two additional steps recommended to safeguard the settings: First, document your adjustments on the Installation Worksheet (provided at the end of this manual) if you have not already done so.
31 CP-3 Digital Surround Processor Customization Custom Modes At this point an underline character appears in the bottom row of the LCD display. (On the on-screen display, one of the characters of the current name will flash.) The cursor will move to the leftmost character of the mode name.
32 Lexicon Customization Chapter 3 describes the CP-3’s four basic modes and all of their variable parameters. Any changes in the parameters of a mode in the User bank will be automatically recorded and stored for future use. The CP-3 also allows you to store a new version of any Preset or User mode in any User register.
33 CP-3 Digital Surround Processor Customization To rename any mode, press the STORE button. The display reads: STORE MENU >STORE THIS MODE SET MODE NAME.
35 Using the CP-3 CP-3 Digital Surround Processor 3 Using the Modes The CP-3 contains four basic operating modes: Panorama, Ambience, Reverb and Surround. Each of these modes is labeled on the Expanded remote, with its variations. Pushing one of the buttons numbered 1-15 during normal operation will load that mode.
36 Using the CP-3 Lexicon Panorama Parameters Panorama extracts the natural ambience from recorded music and moves it outward from the speakers, producing greater width and depth of image and a feeling of enhanced spaciousness. This mode adds no additional sound but expands the existing stereo image.
37 Using the CP-3 CP-3 Digital Surround Processor INPUT BALANCE compensates for the occasional source with audible channel imbalance. It is especially important when using Panorama for movies. If the movie sound tracks are unbalanced, the dialog will wander away from the center; adjusting the Input Balance corrects for this.
38 Using the CP-3 Lexicon Ambience Ambience generates the appropriate early reflections for stereo simulation of one of six different halls — one rectangular hall and one fan-shaped hall in small, medium and large sizes — and sends the reflections to the side and rear speakers.
39 Using the CP-3 CP-3 Digital Surround Processor side speakers are absent. (If the system is configured without side speakers, the signal normally sent to the sides will be mixed into the front outputs.) SPEECH DETECT The Speech Detection circuit distinguishes monaural speech from other inputs.
40 Using the CP-3 Lexicon essed stereo signal. Note that the S/N Optimizer is not active in this mode. The Reverberation mode differs from Ambience in that it does not simulate the early reflections of specific halls, but emphasizes rich, smooth reverber- ant decay in small, medium or large spaces.
41 Using the CP-3 CP-3 Digital Surround Processor value of 0 is usually a good starting point. Increasing the pre-delay will make the hall sound larger. PANORAMA EFFECT adjusts the strength of the signal used to expand the stereo image outward from the front two speakers.
42 Using the CP-3 Lexicon Surround The SURROUND modes make full use of additional loudspeakers at the center, sides and rear of the room. TELEVISION provides surround effects for television viewing of monaural, stereo, and stereo synthesized pro- grams.
43 Using the CP-3 CP-3 Digital Surround Processor music. When it is on, special patented algorithms continually monitor the input signal and adjust both the relative level and time offset of the two channels to keep the dialog properly centered and special effects properly localized.
44 Using the CP-3 Lexicon Music * OFF if configured with no center speaker ** BYPASS if center speaker configured as NONE or FULL; 63 Hz if configured as SMALL (Presets only) EFFECT LEVEL controls the loudness of the center, side and rear outputs. CENTER LEVEL attenuates the level of the center channel and can turn it off completely.
45 Using the CP-3 CP-3 Digital Surround Processor REAR ROLLOFF sets the frequency above which the rear channel sound is attenuated. It should be high enough to give presence and airiness to the rear sound, but not so high as to place distracting instrumental overtones or other sounds behind you.
46 Using the CP-3 Lexicon Mono Logic * 6 if configured with center speaker; 15 if configured without center speaker (Presets only) The setting of EFFECT LEVEL is very important in Mono Logic. If this control is set too high, the sound will be too reverberant; too low, a setting will result in an insufficient amount of the effect.
47 Using the CP-3 CP-3 Digital Surround Processor Pro Logic * depends on speaker configuration ** Inaccessible if side speakers configured as THX or NONE EFFECT LEVEL controls the loudness of the front, side and rear outputs.
48 Using the CP-3 Lexicon * depends on speaker configuration THX Cinema EFFECT LEVEL is inactive in this mode. The RE-EQUALIZER equalizes the left, center and right channel outputs to match the overall frequency balance of the original recording.
49 CP-3 Digital Surround Processor Troubleshooting Troubleshooting 4 T roubleshooting If you encounter a problem, please review the items in the following checklist. Also be sure to thoroughly check all other connected components such as speakers, receiver/amplifier/preamp, VCR, TV, CD player, etc.
50 Lexicon Troubleshooting Problem Possible Cause and So lution Hum Finding and eliminating audio hum in a complex installation can be a very frustrating task. Often, the easiest way to identify the culprit(s) is to systematically eliminate devices from the audio chain.
51 CP-3 Digital Surround Processor Troubleshooting Routine Maintenance Other than occasional replacement of the batteries in the remote control units, the CP-3 requires minimal maintenance. Use a soft, lint-free cloth slightly dampened with warm water and a mild detergent to clean the exterior surfaces of the unit.
53 CP-3 Digital Surround Processor Installation Docum entation 5 I nstallation Docum entation Installation Docu ment ation This section is provided for the documentation of values set during system setup and calibration. The Setup menu selections are reproduced here for your convenience when filling out the worksheet.
54 Lexicon Installation Docum entation Press SETUP to display the Setup menu. PARAM will step the cursor through the Setup menu selections. Once an item is selected, pressing PARAM ▲ or ▼ will display a sub-menu for that item. With the sub-menu displayed, PARAM once again selects menu items.
55 CP-3 Digital Surround Processor Installation Docum entation Installation Worksheet CP-3 serial #________ _ Installed by________________________ ________Phone____________________Date______________ A.
57 CP-3 Digital Surround Processor Specifications 6 Specificati ons Inp uts: Audio: 4 stereo pairs Minimum Input Level: 300 mVrms for maximum output 35 mVrms for Dolby level Input Impedance: 100 k Ω.
Lexicon Part #070-08342 Rev 1 Printed in the United States of America Lexicon, Inc. 3 Oak Park Bedford, MA 01730 Tel 781-280-0300 Fax 781-280-0490.
Ein wichtiger Punkt beim Kauf des Geräts Lexicon CP-3 (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie Lexicon CP-3 noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für Lexicon CP-3 - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von Lexicon CP-3 reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über Lexicon CP-3 erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon Lexicon CP-3 besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von Lexicon CP-3 verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit Lexicon CP-3. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei Lexicon CP-3 gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
