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Distributed by Any reference to Raytheon or RTN in this manual should be interpreted as Raymarine. The names Raytheon and RTN are owned by the Raytheon Company.
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“IMPORTANT NOTICE” This device is only an aid to navigation. Its accuracy can be affected by many factors including equipment failure or defects, environmental conditions, and improper handling or use. It is the user’s responsibility to exercise common pru- ’ dence and navigational judgment.
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THIS MANUAL CONTAINS IMPORTANT INFORMATION STALLATION OPERATION AND MAINTENANCE OF RAYTHEON MARINE COMPANY products are supported by a network of Authorized Service Representatives for product information you may contact the following regional centers: Western United States ......Raytheon Marine Company **AUTHORIZED FACTORY SERVICE and REPLACEMENT DISTRIBUTION CENTER Eastern United States .
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TABLE OF CONTENTS SECTION I GENERAL INFORMATION Introduction Optional Equipment. General Specifications LoranC Terminology SECTION II INSTALLATION Unpacking and Inspection 2.1.1 Equipment “2.1.2 Optional Equipment. Receiver Installation. 2.2.1 General ... 2.2.2 Mounting the Receiver Unit Antenna and Coupler Installation 2.3.1 Selecting the Location 2.3.2 Antenna Whip...
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The Power Keys Turning the Unit “ON” 3.1.1 Controlling 3.1.2 Brightness. SLEEP mode key 3.1.3 ToTumtheUnit“OFF”. 3.1.4 Raynav 780 Operating Mode Switch The Station Display Mode STA 3.3.1 Initialization. Checking the Receiver 3.3.2 The Lat/Long CD1 Bargraph 3.4.1 Averaging Your Speed Display 3.4.2...
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Setting the Alarms 3.9.1 3.9.2 TheAnchorWatchAlarm.. 3.9.3 The dffCourse 3.9.4 TheBoundaryAlarm 3.10 The Time Functions 3.10.1 UTC.. 3.10.2 LOCAL 3.10.3 ETA.. 3.10.4 Special Time Functions 3.10.5 Countdown 3.11 The Special Function 3.11.1 SelectingDataOutput 3.11.2 Selecting NM/KTS, SM/MPH, or KM/KPH 3.11.3 RegisteredGRI’s 3.11.4 MasterReset..
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We are sure that the RAYNAV 780 will provide you with many years of safe and trouble free LORAN navigational SECTION I...
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OPTIONAL EQUIPMENT Console Mounting Kit Rugged Duty Antenna Coupler Other options are listed in the installation GENERAL SPECIFICATIONS 1.3.1 General Frequency: Dynamic Range: Acquisition SNR: TD Measurement: GRI Selection: Secondary Selection: Secondaries Tracked: ASF Correction: Compass Correction: Position Memories: Save Memories: Antenna Coupler: Antenna: Notch filters:...
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Dimmer: Display Type: Display Size: Character Size: Controls: Displayed Data Type of data: Lat/Long: TD Pair: Stations: Waypoints: Bearing & Range: Trip Distance: Time to Go: Speed & Course SNR’s: Cross Track Error: Time Functions: Corrections: LCD Display/keyboard, auto or manual (in 8 levels).
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LORAN C TERMINOLOGY Below are some of ihe common definitions. CHAIN COUPLER CYCLE MATCH terms used with Loran C along with brief Additional Secondary Factor; used in calibrating the lorans lat/long agree with the navigation chart. Refers to a group of Loran C transmitters, which is designated as the master transmitter, to five secondary...
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LATITUDE LONGITUDE MASTER MICROSECOND SECONDARY VARIATION WAYPOINT Envelope-to Cycle Difference, measurement of the shape of the incoming determine the probability Group-Repetition-Interval, precise timing interval in which the loran chain must perform its sequential microseconds, the GRI timing is used to identify the loran chains worldwide.
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This section provides the user with practical guidelines to assist in the planning and installation of the Raynav 780 aboard your vessel. UNPACKING AND INSPECTION Do use care when unpacking damage to the contents.
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B. Rugged-duty Coupler Contigulation When shipped for Europe, the coupler has been replaced with heavy duty coupler type AW-757, and the JRC brand will be added to the receiving unit. The items 2 and 3 in the list of the equipment contigulation will be replaced with following Description...
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RECEIVER INSTALLATION 2.2.1 General Even though your new Raynav 780 Loran C has been designed to survive tough environmental conditions, much protection as possible to prolong its lifespan. are ilirected toward that end. If locating the Loran in an open environ-...
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Mounting the Receiver Unit 2.2.2 The most important considerations A. Best location for operation B. Most practical use of available vessel space. C. Best protection D. Furthest separation Typically the Loran receiver can be mounted counter top or suspended from an overhead location. In addition, the unit is so compact the unit using the Optional Console Mounting Kit M56759.
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INSTRUCTIONS FOR THE RAYNAV Select the location for the Loran. by 6” high having at least 6” of clear depth behind the panel is required. Make sure there are no hidden electrical the desired location mounting and cabling is available. Unpack the trim ring kit and confirm that all hardware is present.
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ANTENNA AND COUPLER INSTALLATION 2.3.1 Selecting the Location The antenna should be mounted masts, bridge structures, horizontal wire antennas The antenna should be mounted ble for servicing. The Loran-C antenna ble from the vessel’s other separation as possible from the MF and HF transmitting damage to the Loran-C receiver and loss of loran signal during communication transmissions.
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A Solderless RF Coaxial connector for the other end, to be attached and up to the back of the RAYNAV 780. The cable can be cut to an appro- priate length or extended as necessary with additional 2.3.4...
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UNF 3/W-24 1”-14NS.ZB UNIT: m,,, CASECOLOR: WHITE 0.9 kg (with cable) WEIGHT Figure 2.6 Outline Drawing of Antenna Coupler...
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(a) When you screw a whip antenna into the coupler body, you should hold the coupler body firmly by hand and tighten the whip with an appropriate wrench. (b) When you mount the coupler to the mast extension or marine deck mount use an appropriate sized wrench.
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SHORT WIRE 24 in. MA Figure 2.8 2.3.5 Whip Installation The whip antenna will normally be screwed directly into the antenna pler. Sometimes it may be necessary to separate the coupler from the whip in order to mount the coupler. If separation of the coupler from the antenna length of stranded copper wire (as short as possible) to the screw connection...
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2.3.6 Rugged-duty Antenna Coupler for Europe The RAYNAV 780 is provided AW-157) for European use only. The antenna coupler will be mounted to the mast or hollow core extension by metal bands. Refer to Fig. 2.9, 2.10. The coaxial cable can be screwed...
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Method of Installing the Band Figure 2.10 Assembly Drawing of Antenna Coupler 2 - 13...
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Coaxial cable /Ikl Fig. 2.11 How to Wind the Taper ape (Vinyl 1. Winding stratum without After winding, bonding by pressure of fingers. “SUMI TAPE” Winding to connector the tape as it is double stretching length. After winding, bonding by pressure of fingers. tape1 for tape three...
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2.4 CONNECTIONS Connections between should be made per the Connector DC Power Input Data Input (Option) DC Power Plug Locating Tab Figure 2.4.1 Power power source must be capable of furnishing approximately of power at its standard output voltage in the range of 10 to 45 VDC. The pow- er source must be floating or negative ground.
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2.4.2 Assembling The Coupler A new easy-to-assemble with the installation materials RAYNAV 780. The following connector. FWWk 9’ Connector Figure 2.13 Refer to Fig. 2.13.b 1. Strip back the cable outer jacket approximately 2. Remove braid back to approximately 3. Strip dielectric to expose approximately Refer to Fig.