Marshall electronic V-R44P User's Manual
Contents
1. Marshall V R44P Instruction Sheet Broadcast Multimedia Division http www LCDRacks com e mail sales mars cam com The V R44P is a rack mountable unit that offers four 4 high resolution active matrix LCD panels Each of the four 480 x 234 pixel screens has it s own set of controls for color tint contrast and brightness Each panel has it s own input with loopthrough capability a self powered 3 color tally system and auto recognition of NTSC or PAL video formats This unit is only 2 rack spaces high and can be tilted up to 90 degrees while rack mounted making it the smallest video monitoring system of its kind Like all of the V R Series this unit is constructed of steel and aluminum and comes com plete with power supply and owners manual Crees The operation of the V R44P is fairly straightforward however please take note of the following 1 The V R44P has been designed to fit in a 2U space on your rack It is important to use 4 screws to hold the ears to the rack Be certain that the ears are aligned vertically this is important to the tilt function see back page 2 Each LCD Panel comes with a protective plastic film that must be removed by carefully lifting the film from the corner and peeling it off Be certain not to apply any pressure on the LCD panels they are fragile and can break Scratched cracked or broken LCD screens are not covered by our warranty 3 The V R44P uses 12VDC 3 0amp regulated power Be certain2. nd the ears properly aligned vertically The tilt function on the V R44P is operated using the two shoulder screws located on each side of the unit as shown in fig 1 By placing your index finger and thumb on each side as shown in fig 2 the V R44P can be tilted up or down To tilt the unit up place your thumb under the bottom screw and push on the top screw with your index finger To tilt the unit down place your index finger on top of the top screw and push the bottom screw with your thumb DO NOT PUSH ON THE GLASS PORTION OF THE SCREEN TO TILT THE UNIT Shoulder Screw location Warranty Marshall Electronics warranties to the first consumer that this V R44P rackmount monitor will under normal use be free from defects in workmanship and materials when received in its origi nal container for a period of one year from the purchase date This warranty is extended to the first consumer only and proof of purchase is necessary to honor the warranty If there is no proof of purchase provided with a warranty claim Marshall Electronics reserves the right not to honor the warranty set forth above Therefore labor and parts may be charged to you This warranty does not apply to product exterior and cosmetics Misuse abnormal service or han dling improper alterations or modifications in design or construction voids this warranty No sales personnel of the seller nor any other person is authorized to make any warranties other than tho
3. se described above or to extend the duration of any warranties on behalf of Marshall Electronics beyond the time period described above Due to constant effort to improve products and product features specifications may change with out notice
4. that these specifications are met when using a power supply other than the one supplied to you by Marshall Electronics The center pin on the coaxial power connector for the V R44P is the POSITIVE terminal and the outside ring is NEGATIVE Any battery operation of the V R44P must have this polarity configuration 4 The Video inputs on the rear of the panel are 75 Ohm self terminated The loopthrough feature uses active components and is always active as long as power is supplied to the unit 5 Each screen has the capability to automatically detect NTSC or PAL signals Each screen is independently controlled allowing the user to view a PAL signal on one screen and an NTSC signal on the other 6 The tally system on the V R44P is accessed via the DB 15 connector on the back of the unit The system works by closing the contacts between a ground pin and the corresponding LED pin The system is self powered DO NOT GIVE POWER TO THE PINS The pinout is as follows Green Red_ Yellow Monitor 1 COMMON GROUNDS Rear View Side View Picture Power Elements Consumption 4 LCD 3 23 x 2 43 0 171mm x 480H x 234V NTSC PAL auto 300 candle 19 125W x 12 VDC Active Matrix each panel 0 264mm recognition luminance 3 43H x 2 0D 3 0 Amps DIREN Viewing Area Dot Pitch Inputs Back Light Dimensions Marshall 7 Before the tilt function can work properly it is important that the unit be mounted correctly in the rack using four screws a
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