Raymarine Ray48 manual General Description, Introduction, Equipment Features

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SECTION 1

GENERAL DESCRIPTION

1.1 INTRODUCTION

Congratulations on your purchase of Raymarine's Ray48 marine radiotelephone.

The Ray48 is a CPU-controlled, digitally synthesized, compact transceiver which provides reliable simplex and half-duplex (two-frequency) communications between ships and from ships at sea to public or private shore stations. The Ray48 provides two-way communications on the International and US channels, reception on 10 separate weather channels, and two-way communications on the International calling and safety channel (16).

This manual describes the physical and functional characteristics of the radiotelephone.

1.2 EQUIPMENT FEATURES

The Ray48 is designed and manufactured to provide ease of operation with excellent reliability. The important built-in features of the equipment are listed below.

•Submersible to IPX7 standard

•All solid-state circuitry for low current drain and maximum reliability.

•Series diode protection on input power circuits to prevent reverse polarity damage

•High-performance receiver section with optimum selectivity

•54 channel transmit and 93 channel receive capability within the assigned VHF-FM maritime band.

•Exclusive circuit that automatically selects 16/9 (priority) channel when the radio is turned on.

•Exclusive weather alert feature (when in monitor mode).

•Selected channel number indicated on the LCD digital display.

•Key entries for "Quick" 16 PLUS, and 10 weather channels WX0 through WX9.

•All-Scan and Memory Scan features.

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Contents Ray48 Purpose Important NoticeTable of Contents Section Section MaintenanceTechnical Description AppendixGlossary of Terms Equipment Features General DescriptionIntroduction Optional Accessories InstallationPlanning the Installation Unpacking and InspectionTypical Mounting Methods Typical Mounting Method Flush Mounting1104.33 190.74 1515.94 853.03 1606.29 1957.66 1204.72 DC Power and External Speaker Connections Electrical ConnectionsPower Cable Length External Speaker ConnectionsAntenna Connections Antenna Mounting SuggestionsGrounding Operations Controls and LCD DisplayVolume Control On/Off ControlsLCD Display 1W Scan WX ALT MON INT MEMOperating Procedures Channel Memory To Select a Weather Channel16 Plus priority Channel Scan ModesWorking Channel Master ResetMonitor Mode Plus priority ChannelGeneral PLL Phase Lock Loop CircuitTechnical Description Control SectionTransmitter Circuit Receiver CircuitSpecifications TransmitterReceiver Radio Dimensions Operating RequirementRay48 Block Diagram Page Ray48 Assembly Drawing Page Maintenance How to contact RaymarinePage Ray48 Marine Channels Frequency Tables VHF Marine Radio Channels and Frequencies66A Noaa Weather Radio Frequencies International VHF Marine Radio Channels & Frequencies156.525 Digital Selective Calling for Distress and Safety Appendix VHF Marine Channel Usage Guide and Licensing RequirementsPage Usage Guide Emergency Your ship is sinking, or on fireIntership Safety Monitoring Channel 16 & Working ChannelCoast Guard NavigationChannels 11, 12, 13 Traffic service onPort Operations Are used for vesselsCommercial Marine OperatorWeather Emergency signalsState Control EnvironmentalAlpha
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