ࡱ> PRO7 bjbjUU 07|7| l  D*2 $\ |F"""""""V@e N " eD0*xLe" Analog Addressable Modulating Video Processor [MVP-II]   INCLUDEPICTURE "file:///E:/data/4F41A345.jpg" \* MERGEFORMATINET   FEATURES RF and baseband scrambling Enhanced security modes Front panel adjustments for video and audio modulation Accepts stereo audio signal from a 4.5 MHz or baseband source The Modulating Video Processor II (MVP-II) is a feature and performance enhanced version of the original MVP scrambler. The MVP-II is designed to allow increased flexibility in installation and more standard operating modes primarily in the areas of compatibility and signal security. EASY INSTALLATION There are four user adjustments on the MVP-II: composite IF and sound IF levels, and video modulation and audio deviation adjustments. A user reference card is provided, located on the top cover, in addition to the operation manual, to help make the task of selecting the optimum operating mode an easy one. STEREO COMPATIBLE The MVP-II provides two stereo interfaces: 4.5 MHz and composite baseband. The desired interface is chosen via a switch on the rear panel and a Stereo LED on the front panel indicates when either mode is selected. OPERATING MODES There are three basic operating modes in the MVP-II: RF, BASEBAND, and MIXED. In the RF mode, the MVP-II scrambles the video signal by suppressing the sync information. Timing and Data information are amplitude modulated (AM) on the sound carrier. When emulating a DS/E several multi-mode scrambling algorithms can be employed to provide enhanced signal security. In the BASEBAND mode, all the features of DS/E mode are available plus several baseband video inversion modes as well as audio privacy. The Baseband mode uses an in-band data scheme that is MULTIPORT compatible and does not require AM modulating on the sound carrier. The MIXED mode is used when both RF and baseband type terminals reside in the same system. Both data formats are transmitted and the operating modes are limited to the various sync suppression modes which are compatible with both terminal types. Specifications Analog Addressable Modulating Video Processor[MVP-II] MVP - II VideoInput1V p-p NTSC standard (75 Ohm)Video AGC Range+/- 6 dB (0.5 V to 2.0 Vp-p)Video Input Return Loss25 dB MinimumVideo Output1 V p-p (in Standby); other modes encodedVideo Output Return Loss25 dBAudioNominal Input Level (attenuator off)0 dBm (0.775 Vrms)Nominal Input Level (attenuator on)+ 12 dBm (3.085 Vrms)Input Attenuator12 +/- 0.5 dB, switchableAudio ALC Range+/- 10 dBAudio Pre-emphasis75 usec +/- 5%Audio Input Impedance600 Ohm balanced or 50 K Ohm unbalanced, switchableAudio Output Level0 dB (+/-1 dB relative to the input signal in Standby)Audio Output Impedance600 Ohm balancedScramblingVideoClear/invertedSync0 dB/ 6 dB/ 10 dBAudioClear / 2H SubcarrierComposite IF OutputPicture IF Frequency45.75 MHz 1.5 kHzSound IF Frequency41.25 MHz 1.6 kHzAC Power Line RequirementsVoltage117 V NominalFrequency60 HzPower35 WPhysical DimensionsHeight1.75 cmWidth19" cmDepth18" cmWeight11 lbs.EnvironmentalSpace1.75 cm Minimum each side of unit Temperature0 to + 40 degrees C 89:;<~:;<[s . 0 f h q r w y   * + D E J K L Q S x y  !"01GH{5CJ\aJ5CJ$\aJ$ j)U jU jUCJaJ5\U9;;<=[\]^_`abudd[$\$ hdd[$\$^h & Fdd[$\$$a$u       / r x y $If$a$y z  + , E K L R S $IfW$$If0!e # ``634aS T y "12H|l,$IfW$$If0!e # ``634a{|*+12GHI\^st"#)*0178>?FGNOP]_ef5\CJaJQ|}+,2H,4X`t$IfW$$If0!e # ``634aHI]^_tXt\D$IfW$$If0!e # ``634a#$*128?@GO0X@88@$IfW$$If0!e # ``634aOP^_`f@$IfW$$If0!e # ``634a / =!"#$%Dd!P  3 @3"i!88\)Dd(# ~  S ZA:file:///E:/data/4F41A345.jpgR(bLF^nr\y6w5 f(uF^(bLF^nr\y6w5 JFIFC    $.' 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