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Lexicon

Calibration

Auto-Mode Load

(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. Any of the preset modes or any of
the CP-3's 30 User Registers can be selected — or the current mode can
remain unchanged. You can, of course, change the operating mode you are
listening to, but if AUTO MODE LOAD is ON, pressing the same input
button again will reload the assigned operating mode.

To set Auto-Mode Load, go to the Input menu, select "AUTO MODE
LOAD", then press PARAM

▲

or

▼

. The display will show which mode is

automatically loaded. If the display reads "AUTO MODE LOAD OFF",
selecting this input will not change the operating mode and the CP-3 will
remain in the same operating mode it was in before this particular input was
selected. To change the mode, press PARAM

▲

or

▼

to scroll through the

available operating modes. The choices are: OFF, Presets 1-15, Bank A 1-15,
Bank B 1-15. Since the Standard remote uses modes stored in User Register
B, we recommend selecting one of these five modes for Auto-Mode Load.

The Input Auto-Level function (see discussion under Setting Input Levels)
is normally ON. This can be defeated by using PARAM to move the cursor
to select the "AUTO LEVEL" parameter, then pressing PARAM

▼

twice.

Now, pressing PARAM

▲

will turn this function ON, pressing PARAM

▼

will turn it OFF. Press STORE to save and return to the Input menu.

In addition to controlling the input level, the CP-3 constantly monitors and
adjusts the internal signal levels to maximize the signal-to-noise ratio.
Theoretically, if the manual input level is set far too high, and you have
music or a soundtrack with a very long soft section followed by, say a
cannon shot, this may result in a few milliseconds of input clipping.
Although we have yet to find a musical selection or a film soundtrack that
does this (and, hopefully, the input level will not be grossly misadjusted to
begin with) we have provided a control so that you can turn this function
off. Under normal operating situations, we recommend it be left on.

The Signal-to-Noise Optimization function is not available in the Reverb
and Ambience modes. In other modes it is normally ON. This function can
be defeated by using PARAM to move the cursor to select the "S/N
OPTIMIZER" parameter, then pressing PARAM

▼

twice. Now, pressing

PARAM

▲

will turn this function ON, pressing PARAM

▼

will turn it OFF.

Press STORE to save and return to the Input menu.

Note that the S/N Optimizer is selectable for each of the four inputs.

Auto-Level

Signal-to-Noise Optimization

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Содержание CP-3

Страница 1: ...CP 3 Digital Surround Processor Owner s Manual ...

Страница 2: ... a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee...

Страница 3: ...ods Unplug the power cord of the unit from the outlet when the unit is to be left unused for a long period of time Water and Moisture Do not use the unit near water for example near a sink in a wet basement near a swimming pool near an open window etc Object and liquid entry Do not allow objects to fall or liquids to be spilled into the enclosure through openings Cleaning The unit should be cleane...

Страница 4: ...CP 3 Digital Surround Processor Owner s Manual ...

Страница 5: ... Connecting the CP 3 in a tape monitor loop Video Connections Calibration 18 LCD Adjustment The Video On Screen Display The Setup Menu Setting the Speaker Configuration Setting Input Levels Setting Output Levels Calibrating the Listener Position Setting Rear Delay Customization 30 Locking in Settings Custom Name Custom Modes Modifying the mode 3 Using the CP 3 35 Using the Modes 35 Presets and Use...

Страница 6: ...sed it is possible to get a good mental picture of the room or hall you are in by listening to the ambience or reflected sound energy in the room We are not aware of our auditory sense in everyday life because it confirms what our eyes identify as the environment When we listen to recorded music however there are no visual clues and we rely completely on our sense of hearing The introduction of tw...

Страница 7: ...e quite different than those for music Lexicon invented the technology that permits the most accurate reproduction of film sound in the same system that is used for music listening and the software based CP 3 is optimized for each of these unique tasks The Music Surround mode is specifically designed to opti mally play conventional stereo music through any system which includes side or side locate...

Страница 8: ...er is familiar with audio video system installation To keep operation simple the unit recognizes which remote control is used to turn it on In the Owner s Manual references to Standard operation mean that the unit was turned on with the Standard remote Expanded operation refers to the Expanded remote Normal operation refers to modes for using as opposed to setting up the CP 3 An Installation works...

Страница 9: ...e etc Register The CP 3 contains 45 registers or memory locations where modes are stored Bank The CP 3 s 45 registers are organized into 3 banks of 15 Presets One bank of 15 registers is loaded with the modes which appear on the Expanded Remote These modes are presets which are perma nently initialized at the factory Presets appear on the display with their names and their numbers preceded by the ...

Страница 10: ...modes and storage of as many as 30 of your own custom modes Although some users may continue to use the Expanded remote after installation and configuration is complete a second simpler remote con trol called the Standard remote is provided for everyday use This remote is designed to control some system parameters and to access only five modes of operation We have chosen names for these modes as l...

Страница 11: ...rogram 1 Input The four INPUT buttons are used to select which input is processed by the CP 3 Pressing any one of these buttons will select that input and light the LED above it The CP 3 can be pro grammed to engage a spe cific operating mode for each input so changing inputs may change the mode being used See Auto Mode Load Page 24 2 Input Level Display The INPUT LEVEL display monitors the level ...

Страница 12: ... OUT VIDEO OUT should be connected to a video input on your monitor for the On Screen display to work The CP 3 will generate a blue background field if there is no video signal in the selected input If the CP 3 is turned off via the front panel or either remote the last in put selected will continue to be passed to the video out put If the rear panel master power switch is turned off or if AC powe...

Страница 13: ...igned for any sur round sound encoded mov ies music or television pro grams 4 On Off Turning the CP 3 off with this button or the front panel ON OFF button deactivates the unit while leaving power to the signal processing cir cuitry to keep it at optimum operating temperature The CP 3 uses this button s sig nal to differentiate between the remotes Therefore it is impor tant that the CP 3 be turned...

Страница 14: ...NAURAL 3 is for playback on loudspeak ers of recordingsmade witha dummy head microphone system The AMBIENCE modes 4 5 and 6 simulate concert halls of three dif ferent sizes generating re flectionsofappropriate direc tionality delay and spectral shape sending them to the side and rear speakers The Ambience modes provide adjustable recirculation through the Liveness pa rameter but for long rever ber...

Страница 15: ...added by the CP 3 8 Mutes MAIN MUTE turns off all out puts and lights both MAIN andEFXMUTELEDs Push ing EFX MUTE while in sys tem mute mode turns the effects alone back on EFX MUTE alternately turns off and on all signals added by the CP 3 Use it to compare the sound with and without CP 3 processing or as a simple way to play normal two speaker stereo 9 Balance BALANCE The fourbalance buttons adju...

Страница 16: ...ut smoked glass will make the front panel Liquid Crystal Display LCD difficult to read and will reduce the sensitivity of the IR receiver Do not mount the CP 3 into walls or ceiling The CP 3 is designed to be connected to an uninterrupted AC power line in the same manner as a VCR or aTV with a clock in it Like all computers the CP 3 is sensitive to voltage fluctuations We therefore recommend the u...

Страница 17: ...o connections please use only cables that are designed for video applications these have different impedance characteristics than cables approved for audio applications Both audio and video cables should be kept as short as possible In general speaker cables should be kept short and low impedance wire should be used throughout to assure efficient power transmission and avoid audible distortion Rec...

Страница 18: ...uld be used to connect to both left and right audio inputs on the CP 3 Many installations will have more than four sources in the system A preamp or A V switcher can handle the additional components and possibly add some additional dubbing capabilities A preamp has the advantage of a built in phono amp and many include decent tone controls as well The disadvantages include a redundant gain stage a...

Страница 19: ...t your main stereo amplifier to the CP 3 s FRONT outputs Connect any additional amplifier speaker combinations to the remaining outputs on the CP 3 side amplifiers to the SIDE outputs rear amplifiers to the REAR outputs center channel amplifier to the CENTER output and the sub woofer amp to the SUB WOOFER output If you are using THX type dipolar surround speakers the amplifier driving them should ...

Страница 20: ... 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 Connection In this configuration use a Y connector to hook the VCR to Video 1 as well if its tuner is used instead of the TV tuner In this configuration select the TV s video input to see the CP 3 s on screen display ...

Страница 21: ...ed so the CP 3 need not be left on for example for simple TV viewing If the master power switch on the CP 3 rear panel is turned off or if power is removed from the CP 3 the unit will default to Input 1 for audio and video and will continue to pass that signal through to the output Connection NOTE The CP 3 video inputs are designed for NTSC M composite video signals The video circuitry is capable ...

Страница 22: ... N U I N P U T S Press PARAM to step to the DISPLAY ADJUST menu then press PARAM The LCD will now read D I S P L A Y M E N U O S D P O S I T I O N Pressing PARAM twice will step to the following display D I S P L A Y M E N U L C D C O N T R A S T Pressing PARAM or will display L C D C O N T R A S T Press PARAM or until the contrast of the display is at a maximum as seen from your listening chair P...

Страница 23: ...ormal operation Adjusting the position allows you to move the CP 3 display items to a location where they will not interfere with any other video overlays your system may generate The DISPLAY TIME option allows you to choose to have the on screen display always off always on or on for a two second duration Note that if you choose to have the display time out this will not affect the display of the...

Страница 24: ...ay a sub menu for that item With the sub menu displayed PARAM once again selects menu items PARAM and adjust the settings of the selected item over its available range Press STORE to exit any sub menu press SETUP to return to the Setup menu Press SETUP again to exit the Setup menu For your reference all of the options available in the Setup menu are shown here The Setup Menu ...

Страница 25: ...ss out of the center channel and directing it to the main left and right outputs Select NONE if there will be no center speaker in the system NOTE The center output is only active in the surround modes not in Panorama Ambience or Reverb Sides Select THX if THX type surround speakers are used for the sides Select STANDARD if any other type of speakers are used and NONE if there are no side speakers...

Страница 26: ...her in level than video discs To compensate for this each of the four inputs on the CP 3 can be assigned a different input gain assuring optimum performance and consistent volume regardless of the source selected The CP 3 can also be set to monitor the input level and automatically optimize the input gain The CP 3 s auto level and signal to noise optimization systems can be defeated for special si...

Страница 27: ...ttings Compact Disc player 03dB Multi Disc Combi player 06dB Video Disc player 06dB Cassette deck 03dB AM FM Tuner 06dB When you have selected an input level press STORE to save the setting and return to the Input Menu Follow this same procedure for each input You can assign a name up to 16 characters to each of the inputs This will identify the source whenever an input is selected In the Input Me...

Страница 28: ...ion see discussion under Setting Input Levels is normally ON This can be defeated by using PARAM to move the cursor to select the AUTO LEVEL parameter then pressing PARAM twice Now pressing PARAM will turn this function ON pressing PARAM will turn it OFF Press STORE to save and return to the Input menu In addition to controlling the input level the CP 3 constantly monitors and adjusts the internal...

Страница 29: ...or press PARAM and to activate your selection PARAM is used to select the output to be adjusted PARAM and raise and lower the level of that output in precise 1dB increments The Level sub menu choices are shown below Note that selecting INTERNAL SOURCE automatically disconnects all audio and video inputs and plays only one channel at a time EXTERNAL SOURCE allows all channels to be heard simultaneo...

Страница 30: ...ts of the subwoofer crossover Connect the CP 3 SUBWOOFER output to the ampli fier driving the main speakers This has the advantage of bi amping all the low bass is handled by the subwoofer the main speakers handle only mid bass and up usually resulting in better sounding main speakers If you want to run the main speakers full range the sub can be wired in parallel to the main amp using a Y connect...

Страница 31: ... film and listen for a tightly focused center image of speech or singing If the image is off center adjust the CP 3 s BALANCE controls The more centered the monaural image the better Panorama will work CALIBRATE NOISE is a special digitally generated signal to aid in calibrat ing the Panorama mode The signal can be set for the left side the right side or both Note that in all cases sound will actu...

Страница 32: ...e in your right ear Push PARAM repeatedly until you return to the CALIBRATE LEFT ONLY display Press PARAM the display will read CALIBRATE NOISE CALIBRATE RIGHT ONLY Again shift your head from side to side to find the sweet spot this time looking for the point where the sound is strongest in your right ear Compare the locations of the two sweet spots by pressing PARAM to call up LEFT ONLY then pres...

Страница 33: ...ENER POS menu allows you to set this delay at 15 30 milliseconds The best setting will depend on the distance between the main listening area and the front speakers and the distance between the main listening area and the surround speakers From the Setup menu press PARAM to select LISTENER POS then press PARAM to display the LISTENER POS menu Now use PARAM to select REAR DELAY then use PARAM and t...

Страница 34: ...CKED message To lock the settings press SETUP and select LOCK SETTINGS With LOCK SETTINGS selected press PARAM twice to select the Lock Settings parameter and engage it To turn the lock off follow the same procedure but press the PARAM button instead of PARAM until the display reads SETTINGS LOCK OFF When the CP 3 is first turned on it will display a copyright notice with the current software vers...

Страница 35: ...the Standard Remote Unless you are an incorrigible tweaker simply put the Expanded Remote away with its batteries removed for safe keeping When the CP 3 is powered up via the Standard remote it will automatically restrict itself to the five operating modes in User Bank B that correspond to those listed on the remote These modes are stored in registers B2 B6 B11 B10 and B15 Since these modes are st...

Страница 36: ...ts of any User register and want to make a copy of it press STORE The display will read STORE MENU STORE THIS MODE SET MODE NAME Press PARAM once and the display will read 12 letter mode name PUT PRO LOGIC IN A1 PAN NORM User reg Mode type Mode name 1st 3 letters 1st 4 letters The top line of the display will show the mode you are about to save The second line shows the location and current conten...

Страница 37: ...most character of the mode name Now push PARAM or until the character you want appears in the space Holding either button for one second activates an auto repeat mode to speed you through the list All letters are available in upper case as are digits 0 9 a blank space and an assortment of other characters When the first space in the display is correct press PARAM use PARAM and to set the second ch...

Страница 38: ...xample if you are running USER A 7 pressing BANK will switch to USER B 7 pressing BANK again will switch to PRESET 7 pressing it again will switch back to USER A 7 and so on The factory Preset modes are denoted by the label PRESET in the upper left of the display with the mode number beneath The mode title appears in the right half of the display with the mode name above and the variation below Wh...

Страница 39: ...ss energy is evenly distributed across the stereo image Panorama WIDE is designed for recordings with centered bass almost all pop and rock The only other difference between these two modes is their initial EFFECT LEVEL If you need more bass from Panorama NORMAL switch to WIDE and reduce the EFFECT LEVEL Conversely if Panorama WIDE is too bass heavy switch to NORMAL and increase the EFFECT LEVEL T...

Страница 40: ...his control should be set so that the rear is audible without calling attention to itself 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 The appropriate setting will vary with the program material REAR D...

Страница 41: ...o basic hall shapes rectangular or fan Refer to the Theory and Design booklet for a discussion of the properties of the two ROOM SIZE allows you to change the room size in fine graduations within the overall hall size you have selected For convenience the hall size is denoted by length in meters The LIVENESS parameter adjusts the amount of recirculation within the mode The higher the value the mor...

Страница 42: ...nthesis If there is a strong monaural speaking voice present at the same time this component of the input to the Ambience algorithm is reduced while the stereo component is increased If the input signal is pure monaural speech the input is almost entirely attenuated SPEECH DETECT is a real benefit to some popular music where spoken voice such as rap occurs along with music stereo televi sion and e...

Страница 43: ...o the main loudspeakers This control should be set as high as possible without making the extra speakers individually audible MID RT Midrange Reverberation Time is the time required for midrange sounds to decay 60 dB in level Your choice of small medium or large synthesized space determines both the initial value and the available range of MID RT BASS RT the low frequency reverb time depends on th...

Страница 44: ...t channels are used independently as inputs to the ambience synthesis If there is a strong monaural speaking voice present at the same time this component of the input is reduced while the stereo component is increased If the input signal is pure monaural speech the reverb effect is attenuated SPEECH DETECT is a real benefit to some popular music where spoken voice such as rap occurs along with mu...

Страница 45: ...nd encoded movies music or television programs Because each Surround mode makes use of different configurations the EFFECT LEVEL control will be described separately at the beginning of each set of parameter descriptions Television Surround Parameters EFFECT LEVEL controls the loudness of the front side and rear outputs CENTER EFFECT The essence of the Television mode is that dialog music and soun...

Страница 46: ...and airiness to the rear sound but not so high as to place distracting instrumental overtones or other sounds behind you The appropriate setting will vary with program material REAR DOLBY B Dolby Surround decoding specifications call for a special form of Dolby B type noise reduction for the rear surround channel Since Dolby Surround encoded material should generally be listened to in the ProLogic...

Страница 47: ... for tight localization and a smooth blend between the three front speakers SIDE LEVEL controls the volume level of the side speakers Since Music Surround is a dynamic ambience extraction mode the effect of the side speakers will depend on the recording Although the default value is 0 the correct setting will vary with each recording your room and your personal taste SURROUND EFFECT allows you to ...

Страница 48: ... MUTE mutes the center sides and rear outputs EFFECT LEVEL controls the loudness of the center side and rear outputs CENTER LEVEL attenuates the level of the center channel as much as 10dB The proper setting for this control will vary depending on the recording and your taste There is no correct setting HIGH PASS removes low frequencies from the center side and rear outputs This is particularly us...

Страница 49: ...setting for this parameter will vary widely with the age quality and condition of the source material ACADEMY FILTER is provided to recreate the proper tonal balance of older monaural films which were recorded with a much narrower and duller frequency response than current films MAIN LEVEL controls the level of the mono signal which is reproduced by the main speakers When there is a center speaker...

Страница 50: ... installations the center speaker is smaller than the two main stereo speakers and is less capable of handling the lowest frequencies By directing the low frequencies to the main speakers there is less risk of damage to a small center speaker and no loss of bass information since it will be reproduced by the main speakers SUB BASS BOOST boosts or cuts the subwoofer output level Although the normal...

Страница 51: ...ure is why the CP 3 does not have or need an input balance control for Dolby Surround decoding BASS SPLIT takes the low bass from the center where it is in many film and music mixes and distributes it instead to the left and right front channel speakers Bass Splitting is valuable because in many video installations the center speaker is smaller than the two main stereo speakers and is less capable...

Страница 52: ...the other remote If neither is working the problem is internal See If all else fails on the following page Wrong remote message The CP 3 recalls which remote Standard or Expanded was last used to turn it on Turn the CP 3 off then back on with the remote you wish to use No output Make sure that signal is coming into the CP 3 by observing the Input Level meters Increase VOLUME using the remote contr...

Страница 53: ... CP 3 does generate minimal amounts of RF energy and is in or Cable TV compliance with FCC rules If some interfering noise is noted move AM loop and FM T type antennas away from the CP 3 and reorient them as necessary Use shielded cable for FM and TV antenna feeds Erratic recall of modes Severe power surges or sags can confuse the CP 3 memory To correct or if you simply want to start over restore ...

Страница 54: ...ol turn the CP 3 OFF Turn the unit back ON and press the SETUP button within two seconds Make sure you do not block the infrared receiver on the CP 3 front panel Continue holding down SETUP until the display reads RESTORE MODE SETUP TO EXIT If you want to resume normal operation without restoring all defaults this is your last chance Release SETUP and press SETUP again to resume normal operation T...

Страница 55: ...tation 5 Installation Documentation Installation Documentation 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 ...

Страница 56: ...l display a sub menu for that item With the sub menu displayed PARAM once again selects menu items PARAM and adjust the settings of the selected item over its available range Press STORE to exit any sub menu press SETUP to return to the Setup menu Press SETUP again to exit the Setup menu For your reference all of the options available in the Setup menu are shown here The Setup Menu ...

Страница 57: ...n settings _________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ Wiring comments Left Side _____dB _____________________ Subwoofer_____dB _____________________ Right Rear_____dB _____________________ Left Rear _____d...

Страница 58: ... 24dB octave rolloff THD All channels Less than 025 1 kHz max level Subwoofer Less than 025 10 100 Hz max level Signal to Noise Ratio 90dB minimum A weighted Ref 1 kHz max level Power Requirements 120 VAC 10 50 60 Hz 35W 100 220 240 VAC versions available 3 pin IEC detachable power cord provided Dimensions 17 5 W x 14 5 D x 3 7 H 445 x 368 x 94mm Brackets supplied for rack mounting conforms to 19 ...

Страница 59: ...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 ...

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