Raymarine Ray54E User Manual
Page 112
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Ray54E VHF Radio
Tri Watch
A function that monitors the Priority Channel and the Favourite
(PLUS) Channel while working on another channel.
US Channels
Channel designations as defined by the FCC.
VOL
Volume key
VHF
Very High Frequency (30MHz to 300MHz)
Weather (WX) Channels
Channels for routine and emergency weather information
broadcast by NOAA (USA).
Working Channel
The currently-selected (non-priority, non-WX) channel.
Term
Meaning
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