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Hersteller: Panasonic Dateigröße: 357.78 kb Dateiname: WJ220.PDF Unterrichtssprache:

Front panel card holders permit each input source to be labeled. For added flexibility, inputs can be Hi-Z looped or 75 ohm terminated (switchable) with BNC connectors. ■ FEATURES • Designed with solid state circuitry for reliability. • Excellent picture reproduction, with minimum crosstalk and low frequency transients. • Electronic, vertical interval switching. • Unterminated, loop-through video inputs; switchable for 75 ohms. • Illuminated, non-lock switch. • Card holder permits each input to be labeled. • Desk top and rackmount versions available. ■ PRECAUTIONS 1. Do not use the unit beyond its temperature, humidity or power source ratings. a) Designed for indoor use. Ambient temperature must not range beyond 14° F ~ 122° F (-10°C - +50°C). b) Avoid using the unit when humidity is above 90%. c) The input power source must be 120V AC 60Hz. MAJOR OPERATING COMPONENTS AND THEIR FUNCTIONS • DESK TOP TYPE WJ-220 Front View Rear View WJ-225 Front View Rear View r; tin . -nv- ¿3 i ..... -© - .....-|u ui” OF— ii—- XXII • RACKMOUNT TYPE: Fits standard 19" rack. WJ-220R (- Front View Rear View ¿2 o LU_Ij_L \S\\\V I <: M — 3 - @© © ®@ © ©© © ©0 WJ-225R Front View Rear View □~5I -0 -© n '« Wk \ \?k ** \ H *¥ ô'jSL&r J -■ >9' 2; ^ <2 ___ (T) Power ON/OFF Switch [POWER ON/OFF] © Power Indicator Pilot Lamp (3) Video Input Selecting Switch Select and depress the appropriate pushbutton and it will be illuminated, identifying the input selected. Front panel card holders permit each input source to be identified and labeled. (3) Video Input Connectors [VIDEO INPUT] There are two unterminated video input connectors for each channel, to allow loop-through hook-up. If looping through is not used, terminate the input with 75 ohm BNC Terminator Plugs, (not provided) © Video Output Connector [VIDEO OUTPUT] The single BNC connector contains the video signal from the selected input. © Power Cord ■ CARD LABELING 1. Write the camera position or number on the indication cards of standard accessory. 2. Pull off the covers of the Video Selecting Switches, place the indication cards and replace the covers. ■ CONNECTIONS t Video Input Connector • Video Input Connectors (§) The vertical interval switching of the unit is triggered by the vertical sync within Video Input No. 1. Therefore, to obtain vertical interval switching, a video signal must be connected to input No. 1, and all other video signals must be synchronized to that signal. All of the Video Input Connectors are unterminated. If looping through is not desired 75 ohm BNC Termination Plugs (not provided) should be used for termination. WIRING PRECAUTIONS: 1. Use 75£2 coaxial cable. 2. Never staple the cable — not even with circular staples. Do not bend coaxial cable into a curve whose radius is smaller than 10 times its diameter. Nev6r crush or pinch the cable. Any of these will change the impedance of the cable and cause poor picture quality. 5 - ■ SPECIFICATIONS Type Desk-top Rackmount Model No. WJ-220 WJ-225 WJ-220R WJ-225R Power Source 120V AC 60Hz Power Consumption Approx. 5W Video Input (I.OVp-p composite/75i2 or Hi-Z BNC) 6 12 6 12 Video Output O.OVp-p composite/75ii BNC) ONE Switch Non-lock illumination type Switching Electronic/vertical interval switching Crosstalk Better than 60dB {at 3.58MHz) Differential Gain Less than 0,5% (10% ~ 90% APL (average picture level)) Differential Phase Less than 0.5° (10% ~ 90% APL) Frequency Response 10MHz ±0.5dB Ambient Operating Temperature 14°F ~ 122°F <-10°C ~ +50°C) Ambient Operating Humidity Less than 90% Dimensions (W x H x D) 8%"x1%''x5Vi" 210x44x135(mm) 16Vi''xiy«"x5y.'' 420x44x1351 mm) 19"x1%”x5%" 480x44x135(mm) 19”x1%“x5%" 480x44x135(mm) Weight Approx. 3 lbs 1.4 kg Approx. AY* lbs 2.2 kg Approx. 3% lbs 1.5 kg Approx. 4% lbs 2.2 kg ■ STANDARD ACCESSORIES • Indication Card.................. 1 set — 6 - Panasonic Broadcast & Television Systems Company Division of Matsushita Electric Corporation of America CLOSED CIRCUIT VIDEO EQUIPMENT DIVISION Executive Office: One Panasonic Way. Secaucus, New Jersey 07094 RagionaJ Offlf' Northeast 43 Hartz Way, Secaucus. NJ 07094 (201) 348-7303 Southeast 1854 Shackleford Court, Suite 115, Norcross. CA 30003 (404) 717-6835 Midwest 1707 North Randall Road, Elgin, IL 60123 (708) 468-5200 Southwest 4500 Amon Carter Blvd., Ft. Worth. TX 76155 (817) 685-1117 Western: 6550 Katella Ave. Cypress, CA 90630 (714) 373-7265 MATSUSHITA ELECTRIC Of CANADA LIMITED 5770 Ambler Drive, Mississauga. Ontario, Canada L4W 2T3 (416)624-5010 PANASONIC SALES COMPANY DIVISION Of MATSUSHITA ELECTRIC OF PUERTO RICO, INC. San Gabriel Industrial Park, 65th Infantry. Ave. KM. 9.5 Carolina, Puerto Rico 00630 (809) 750-4300 ©Matsushita Electric Industrial Co. Ltd-All nobis reserved. Unauthorized copying and distribution is a violation of law N0980-6023 YWJ220PFSBoîQ Printed i...

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