FM-4850 Operator’s Manual
The use of CH16 or CH9 should be limited to making initial contact only. A call
should be within 1 minute, but can be repeated at a 2-minute interval.
Before contact another vessel, refer to the channel charts in the Appendix and
select a proper channel (working channel) for use after initial contact. Monitor the
proposed channel to ensure you won't be interrupting other traffic and then go back
to CH16 to make your initial call.
When CH16 is clear, state the name of the vessel you wish to call and the "this is"
followed by the name of your vessel and your vessel call sign. When the other
vessel returns your call, immediately request another channel by saying "go to", the
number of the other channel, and "over". Then switch to the new channel. When
the new channel is not busy, call the vessel.
After a transmission, say "over", and release the PTT switch on the handset. When
all communication with the vessel is completed, end the last transmission by stating
your call sign and the word "out". Note that you do not need to state your call sign
with each transmission, only at the beginning and end of the contact.
Remember to return to CH16 when not using another channel. Some radios
automatically monitor CH16 even when set to other channels or when scanning.
1.3 Channels 13 and 67 (USA Channel Group
only)
Channel 13 is used at docks and bridges and by vessels maneuvering in port.
Messages on this channel must concern navigation only, such as meeting and
passing in restricted waters.
Channel 67 is used for navigational traffic between vessels.
By regulation, power is normally limited to 1 Watt on these channels. Your radio is
programmed to automatically reduce power to this limit on these channels.
However, in emergency situations it may be temporarily use a higher power. See
section 2 CONTROLS for how to temporarily override the low-power limit on these
two channels.
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