Garmin VHF 215 AIS Series Manual do Proprietário - Página 27
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Switching Between 1 W and 25 W Transmitting Modes
You can control the transmitting power of the radio. Low (1 W) is used for local
transmissions, and high (25 W) is used for distance and distress transmissions.
When
two signals
broadcast
on the same frequency, a VHF radio receives only
the stronger of the two signals. You should transmit calls other than distress calls
using the lowest power setting that allows you to communicate, to reduce the
possibility that your transmissions interfere with the transmissions of others.
In the USA channel band, transmissions on channels 13, 17, 67, and 77 must be
low (1 W) by default.
In the Canadian channel band, transmissions on channels 13, 15, 17, 20, 1066,
67, 75, 76, and 77 must be low (1 W) by default.
In the International channel band, transmissions on channels 15, 17, 75, and 76
must be low (1 W).
1
Select
HI/LO.
2
Select 1W or
25W.
3
SelectOK.
Digital
Selective Calling
Digital Selective Calling
NOTE:
Before you can use DSC capabilities, you must enter a Mobile Marine
Safety Identity (MMSI) number. An MMSI number identifies each DSC radio, like
a telephone number.
Digital Selective Calling (DSC) is a key component of the Global Maritime
Distress and Safety System (GMDSS).
DSC
enables VHF radios to place and
receive digital calls directly with other vessels and shore stations, including the
USA and Canadian Coast Guards. Your radio includes full Class-D DSC
capabilities.
For more information about DSC on your device, including using DSC for distress
calls, see the online owne~s manual (page 7).
Quick Start
Manual
NOTE:
The device disables
DSC
automatically when you turn on ATIS
(page 6).
Entering Your MMSI Number
NOTICE
You
can
enter your
MMSI
number only once. If you must change your MMSI
number after entering it, you must take your radio to your Garmin• dealer for
reprogramming.
The Mobile Marine Safety Identity (MMSI) number is a nine-digit code
that
acts
as a DSC self-identification number, and it is required to use the DSC capabilities
of your radio. You can obtain an MMSI number from the telecommunications
authority or ship registry for your country. In the USA, you can obtain an MMSI
number from these
sources:
•
Federal Communications Commission (FCC): assignments are recognized
internationally
•
Boatu.s.•,
Sea Tow'\ or United States Power Squadrons•: assignments are
for USA waters only.
1
Select
MENU
>
DSC
>
MY MMSI.
2
Turn the
SELECT
dial to change the number.
3
Press the
SELECT dial
to accept the number.
4
Repeat this process for each number in the sequence.
5
Select
ACCEPT.
The radio prompts you to confirm your identity.
6
Enter your MMSI number again, and select
ACCEPT.
If the MMSI numbers you entered do not match, a message appears.
7
If necessary, select
RETRY,
and enter the number again.
Automatic Identification System
The Automatic Identification System {AIS) is an automatic tracking system used
on vessels and by vessel traffic services (VTS). It enables vessels and VTS to
5