Garmin VHF 300i Owner's Manual - Page 21

Viewing Your MMSI Number, DSC Distress Calls, Sending an Undesignated Distress Call

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Digital Selective Calling IMPORTANT: Use caution when entering your MMSI number, because you can only enter it once. If you need to change your MMSI number after entering it, you must take the radio to your Garmin dealer for reprogramming. To enter your MMSI number: 1. Press the MENU key. 2. Select DSC > MY MMSI. 3. For each number in the sequence, turn the Channel knob clockwise to increase the number, and counterclockwise to decrease the number. Press the Channel knob to move to the next number in the sequence. Select ab to return to a previous character. 4. Select ACCEPT when you have entered your MMSI number. The radio prompts you confirm your entry. 5. Enter your MMSI number again, and select ACCEPT. If the MMSI numbers you entered do not match, the screen displays "MMSI NUMBERS DO NOT MATCH". Select RETRY and repeat the process. If you do not want to enter your MMSI number at this time, select CANCEL. Viewing Your MMSI Number 1. Press the MENU key. 2. Select DSC > MY MMSI. 3. Select OK to return to the previous screen, or press the MENU key to return to the Home screen. DSC Distress Calls When you make a DSC distress call, your call is transmitted to all DSC-capable radios within receiving range. Your current GPS position (latitude and longitude) and the current time are included in the transmission if you have a GPS device connected to your transceiver. If you have manually entered your position information with the time, that data is transmitted with the call. For information on manually updating your position information, see page 26. NOTE: Familiarize yourself with the standard distress-call format and protocol to ensure that your calls are clear and effective. Sending an Undesignated Distress Call When you send an undesignated distress call, the nature of your emergency is not transmitted to the receiving stations. Sending an undesignated distress call is a shorter and quicker procedure that can save you time during an emergency. 1. Lift the spring-loaded door, and press and hold the DISTRESS key for at least three seconds. The transceiver beeps, and the screen displays "DISTRESS CALL COUNTING DOWN". The channel pane counts down the seconds from 3 to 1. VHF 300 Series Owner's Manual 15

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VHF 300 Series Owner’s Manual
±´
Digital Selective Calling
IMPORTANT:
Use caution when entering your MMSI number, because you can only enter
it once. If you need to change your MMSI number after entering it, you must take the radio
to your Garmin dealer for reprogramming.
To enter your MMSI number:
1. Press the
MENU
key.
2. Select
DSC
>
MY MMSI
.
3. For each number in the sequence, turn the
Channel
knob clockwise to increase the
number, and counterclockwise to decrease the number. Press the
Channel
knob to
move to the next number in the sequence. Select
ab
to return to a previous character.
4. Select
ACCEPT
when you have entered your MMSI number. The radio prompts you
confirm your entry.
5. Enter your MMSI number again, and select
ACCEPT
. If the MMSI numbers you entered
do not match, the screen displays “MMSI NUMBERS DO NOT MATCH”. Select
RETRY
and repeat the process. If you do not want to enter your MMSI number at this time,
select
CANCEL
.
Viewing Your MMSI Number
1. Press the
MENU
key.
2. Select
DSC
>
MY MMSI
.
3. Select
OK
to return to the previous screen, or press the
MENU
key to return to the Home
screen.
DSC Distress Calls
When you make a DSC distress call, your call is transmitted to all DSC-capable radios
within receiving range. Your current GPS position (latitude and longitude) and the
current time are included in the transmission if you have a GPS device connected to your
transceiver. If you have manually entered your position information with the time, that
data is transmitted with the call. For information on manually updating your position
information, see
page 26
.
NOTE:
Familiarize yourself with the standard distress-call format and protocol to ensure
that your calls are clear and effective.
Sending an Undesignated Distress Call
When you send an undesignated distress call, the nature of your emergency is not
transmitted to the receiving stations. Sending an undesignated distress call is a shorter and
quicker procedure that can save you time during an emergency.
1. Lift the spring-loaded door, and press and hold the
DISTRESS
key for at least three
seconds. The transceiver beeps, and the screen displays “DISTRESS CALL COUNTING
DOWN”. The channel pane counts down the seconds from 3 to 1.