ADVANSEA FX-400, User Manual

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User manual FX-400 - 16 -
The microphone keypad is used to change channels by directly entering the
actual channel number with the
through keys. The or
keys step or scroll to a new channel. The microphone keys are used
to enter alphanumeric characters and symbols shown in the following chart.
Microphone Keys
Alphanumeric Character Sequence
6. OPERATING PROCEDURES
6.1 Primary Calling Channel
VHF Channel 16 (156.8 MHz) is the Distress Safety and Primary Calling
Channel. All vessels, not actively engaged in communication, are required
to maintain a listening watch on Channel 16.
6.2 Transmitting
The transmitter is activated, for normal voice communications, by pressing
the Push To Talk (PTT) button on the microphone. Always listen for
moment on a channel before transmitting. If the channel is busy, do not
transmit until the channel is clear. For DSC calling and Distress calls, the
transmitter is activated automatically during the appropriate operating
procedure. After DSC contact is established, proceed as in normal voice
communication. Continuous transmitter operation is limited to five minutes
and the transmitter will automatically stop.
To establish normal voice communication:
• Press the key to select the Primary Calling Channel. The
Primary Calling Channel is 16. The Primary Calling Channel number
appears in the upper left corner of the display.
• Listen on the Primary Calling Channel to make sure the channel is
clear.
• Press the PTT button. Speak directly into the microphone in a normal
tone of voice --clearly--distinctly. Say “(name of vessel being called)
THIS IS (your vessel’s name and call sign).”
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