Raytheon R20 Скачать руководство пользователя | Manualshive

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Содержание R20

Страница 1: ...sed for desired brilliance level Hold VRM key depressed for reversed _ RM symbol Use A or Y key to set VRM distance Press VRM key to turn off Hold EBL key depressd for rev ersed EAL symbol Use A or Y...

Страница 2: ...ow on display 7 VRM Controls VRM for accurate distance measurements 8 EBL Controls EBL for accurate bearing measurements 9 ALM Enables and sets target guard zone 10 BRIL Adjusts intensity of the scree...

Страница 3: ...best performance from his equipment Please take some time to read through this section of the manual to avoid misunderstandings of the radar s capabilities 3 1 l Layout of Control Layout of controls...

Страница 4: ...uzzer sounds the T character of TUNE indication located on the lert bottom corner of display will be displayed as reversed character II By pressing the V or 6 key the TUNE control will maximize the ta...

Страница 5: ...or 1 is ON the characters appear at display window below the target video 3 4 3 1 3 ATypical Operation Procedure 1 Press the fSTBY OFF Ikey 2 Arter the sign on screen has changed from RW to READY appr...

Страница 6: ...ble to fine tune the radar by selecting a comparatively weak echo and then set the TUNE key level where the strongest echoes are displayed 3 3 2 GAIN Control The correct setting of the GAIN control is...

Страница 7: ...nd SEA CLUTTER levels should be checked and adjusted each time a new range scale is selected This is important to assure that excessive sea clutter or insurri cient gain will not cause important targe...

Страница 8: ...c A IMlllll llAJtGI AACI on10 OH CMAIH t I llALlllMI P 01UD ON CMAfllf frtOI c O llAlll 0 PlOUlO Ott CH 0 ADA IUllN MltlOH FIG 3 4 POSITION FIX METHODS 3 10 _ t L I I _ l l 3 4 3 Delermlnlna Your Rad...

Страница 9: ...ip in line with the antenna The signal on first striking the smooth side or the large target will be renected and the echo returns to the antenna and is shown on the display However the same renection...

Страница 10: ...rom any part of the ship s superstructure or rigging to reflect the beam there may be some ob structions An obstruction will throw either a complete or partial shadow as shown in Fig 3 10 If there are...

Страница 11: ...spray during the boat clean up 2 Ouring routine ships maintenance make a thorough inspection or the radar system including the following points a Check all hardware for lightness b Check for evidence...

Страница 12: ...Lubrlc1tlon Periodic replacement of lubricants is recommended Locate the main drive gear clean away old lubrication residue and dirt Using an appropriate applicator apply a light coating of grease MO...

Страница 13: ...ments after a major component has been replaced or if a fault is suspected during operation NOTE trnPLACEMENT ITEM ADJUSTMENT REQUIRED See Sect Magnetron VI Tuning 5 3 MIC Frontend E301 Tuning 5 3 Cat...

Страница 14: ...justment See Fig 5 2 a Remove the hole cover for adjustment b Proceed with adjustment as required on the Main PCB PCl and PC2 as follows 6 1 Interlace adjustment PCl Adjust RVl so that the TV horizont...

Страница 15: ...g adjustment on CRT See Fig 5 3 Rotate the two knobs simultaneously or individually so that the beam center coincides with the center of CRT PC2 RV4 IA1arml PCI RV1 lnlerlace Adj I RV1 Gain Adj I RV2...

Страница 16: ...justments may be necessary It may be found quicker to check out the equipment according to the trouble shooting guide Table 5 3 In general the causes of troubles frequently encountered include abnorma...

Страница 17: ...ld is not centered o Adjust vertical length and linearity on the screen o Adjust height as necessary o Markers are oval 5 8 J I Trouble Remedy 7 Range rings on Faulty circuit between IF amplifier of t...

Страница 18: ...ment shall bt made rmder tht ollowi11g co11ditio11s IPOWER lswitch ON lRAIN CLUITERl min IGAIN I max ISEA CLUTIER I min Ship s pow1r supply is de 12V 5 10 _ l I LI I Measuring Resistance Voltage V Poi...

Страница 19: ...ircula tor and the diode limiter are mounted d Withdraw the diode limiter e To reassemble reverse the above procedure 3 MIC Frontend E 301 a Remove screws holdi ng the re eiver b emove the cover from...

Страница 20: ...1 Deflection yoke FIG 5 5 5 14 1 J t r FIG 5 6 REPLACEMNT OF DRIVE MOTOR 6 Drive motor M 101 See Fig 5 6 a Remove 4 screws holding the drive motor b Remove the drive motor from turning mechanism plate...

Страница 21: ...is radar please take a few moments to familiarize yourself by reviewing the instructions in Chapter 3 Operation Press the X MIT switch to ON and observe presence of radar targets on the screen Check t...

Страница 22: ...2 10 This is a radar system timing adjustment Incorrect timing is most noticeable on the 1 4 NM scale It can be checked and set in the following manner 1 Locate a straight dock seawall or bridge on t...

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