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iC-m59 Datasheet, PDF (22/36 Pages) List of Unclassifed Manufacturers – VHF MARINE TRANSCEIVER | |||
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4 DIGITAL SELECTIVE CALLING
⢠When semi-automatic (SA; default) or manual (SL) is
selected in SET mode (p. 21):
⢠When full automatic (FA) is selected in SET mode
(p. 21):
â Push and hold [9â¢ALL/IND] until
LOW
you hear 4 short beeps change
USA
ACK
into one long beep to send
âAble to complyâ message.
⢠If you want to send âUnable to
LOW
complyâ message, or other indi-
USA
ACK
vidual or all ships call, rotate the
channel selector to select them.
â Push [PTT] momentarily to
TX
transmit the acknowledge-
USA
ACK
ment.
⢠The channel speciï¬ed by the call-
ing station is selected.
⢠When âUnable to complyâ is
USA
RCV
transmitted in step â, the trans-
ceiver remains on channel 70.
â After receiving a voice transmission, reply via the mic.
⥠The transceiver automatically replies to the call in one of
two ways, depending on the
auto acknowledge setting in
TX
SET mode (p. 21).
USA
ACK
⢠When able to comply is set (Ab),
the transceiver automatically
transmits an able to comply ac-
USA
RCV
knowledgement and then selects
the channel as specified by the
calling station for voice communications.
⢠When unable to comply is set
TX
(Un), the transceiver automati-
USA
ACK
cally transmits an unable to com-
ply acknowledgement and
remains on channel 70.
LOW
USA
ACK
Differences between semi-automatic and manual
Semi-automatic: When no op-
LOW
eration is performed, the
USA
ACK
transceiver automatically
sends an âUnable to complyâ acknowledgement 4.5 min.
after the call is received.
Manual: When no operation is performed after receiving a
call, NO acknowledgement is transmitted.
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