Glossary of Terms, Vhf | Raymarine RAY 210VHF instruction

GLOSSARY OF TERMS
VHF	Very High Frequency: 30MHz to 300MHz
FM	Frequency Modulation
Carrier Wave	A Radio Frequency on which Intelligence is
	superimposed
Dual Watch	Monitor channel 16 while working on another
	channel
All Scan	Scans all channels
Select Scan	Scans only user selected memory channels
U.S.A. Channels	Channel designations as defined by the FCC
International Channels	Channel designations as defined by
	International Telecommunication Union
Canadian Channels	Channel designations as defined by the
	DOC
Weather Channels	Channels for routine and emergency
	weather information broadcast by NOAA
Simplex	Transmit and receive on the same frequency
Duplex	Transmit and receive on different
	frequencies
Squelch	To suppress totally
LCD	Liquid Crystal Display
TX	Transmit
RX	Receive
RF	Radio Frequency
CPU	Central Processing Unit
PLL	Phase Lock Loop (A type of frequency
	Synthesizer)
VCO	Voltage Control Oscillator
PTT switch	Microphone push-to-talk switch
	iv

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Raymarine RAY 210VHF operation manual Glossary of Terms, Vhf

Contents

RAY 210VHF Page Page Page Important Notice PurposePage Table of Contents Page Parts List & Drawings Page VHF Glossary of TermsPage General Equipment FeaturesPage Electrical Specifications Specifications Mechanical Specifications Description Unpacking and InspectionEquipment Supplied Typical Mounting Methods Planning the Installation Outline and Mounting Dimensions Mounting Options Electrical Connections Cable DC Power and External Speaker Connections Antenna Mounting Suggestions External Speaker ConnectionsAntenna Connections Grounding Controls IntroductionControls and LCD Display Page Page Page Page Page Layout of Controls and Connectors LCD Display 0188 Operating Procedures Selecting a Weather Channel To Transmit and Receive on Intl Frequencies Design Channel Frequency MHz Intl 3 1st Intermediate Frequency Amplifier Circuit Antenna Switching CircuitReceiving Circuit Operation High Frequency Amplifier Circuit Transmitting Circuit Operation Antenna Monitoring Circuit High Frequency Power Amplifier CircuitPLL Circuit Operation APC Circuit Block Diagram / RF PCB Block Diagram / CPU PCB Product Repair and Service +1 800 539 5539 ext How to contact Raymarine Technical SupportAccessories and Parts Alignments and Service Preventative Maintenance Test Equipment PLL Adjustment TRANSMITTER/RECEIVER RF Sensitivity Adjustment Receiver Frequency Adjustment TransmitterModulation Adjustment Transmitter Power Output Adjustment Master Reset Trouble Shooting GuideWeather Alert Frequency Adjustment Receiver Page XTAL1 Section Parts List Description IC1 Description CPU PCB Assembly IC1 IC BR93LC56AF IC2 RAY210 Assembly Drawing Mechanical Parts List Schematic Diagram Schematic diagram/CPU PCBl Schematic diagram/CPU PCB RF PCB Layout Top View RF PCB Layout Rear View CPU PCB Layout Top view CPU PCB Layout Rear View Page VHF Marine Channel Usage Guide and Licensing Requirements Section AppendixPage Usage Guide Emergency Channel Page Coast Guard Navigation Channel Page Channels 24, 25, 26, 27, 28, 84, 85 Weather Channels WX1, WX2, WX3 State Control Environmental Channel Phonetic Alphabet Page PO3 5TD USA