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GLOSSARY OF TERMS
All Scan .......................... Scans all channels
ATIS ................................ Automatic Transmission Identification
System. Used for inland waterways in some
European countries.
Canadian Channels ......... Channel designator as defined by Industry
Canada
DSC ................................ Digital Selective Calling
Dual Watch ..................... Monitor the Priority Channel (9 or 16) while
working on another channel
Duplex ............................ Transmit and receive on different frequencies
FCC ................................ Federal Communications Commission
FM .................................. Frequency Modulation
International Channels .... Channel designator as defined by the ITU
ITU ................................. International Telecommunications Union
LCD ................................ Liquid Crystal Display
Memory Scan .................. Scans only user selected memory channels
MMSI ............................. Maritime Mobile Service Identity; a number
issued by each country to identify maritime
stations.
NOAA ............................ National Oceanographic and Atmospheric
Administration
PTT switch ...................... Microphone push-to-talk switch
RF ................................... Radio Frequency
RTCM ............................. Radio Technical Commission for Maritime
Services
RX .................................. Receiver
Simplex ........................... Transmit and receive on the same frequency
Squelch ........................... A circuit that sets the threshold for cutting off
the receiver when the signal is too weak for
reception of anything but noise
TX ................................... Transmit
Tri-Watch ........................ Monitor the Priority Channel and Weather
Channels while working on another channel
US Channels ................... Channel designations as defined by the FCC
VCO ................................ Voltage Controlled Oscillator
VHF ................................ Very High Frequency 30MHz to 300MHz
Weather Channels ........... Channels for routine and emergency weather
information broadcast by NOAA
Содержание Ray215e
Страница 1: ...O w n e r s H a n d b o o k VHF Radio Ray215e...
Страница 2: ...RAY215E Modular VHF Radio Owner s Handbook Document number R49018_2 Date April 2002...
Страница 3: ......
Страница 23: ...2 10 Installation Figure 2 6 Typical Grounding Method...
Страница 115: ...4 60 Operation with Full Function Handset...
Страница 121: ...5 6 Maintenance This page intentionally left blank...
Страница 122: ...5 7 Maintenance 5 4 Drawings Assembly Drawing...
Страница 123: ...5 8 Maintenance Block Diagram RF PCB...
Страница 124: ...5 9 Maintenance Control PCB...
Страница 125: ...5 10 Maintenance Front PCB Microphone PCB...