Garmin 115 Owner's Manual - Page 9

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Entering Your MMSI Number

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.

Select MENU > DSC > MY MMSI.

Enter your MMSI number

Select ACCEPT.

The radio prompts you to confirm your identity.

Enter your MMSI number again, and select ACCEPT.

If the MMSI numbers you entered do not match, a message

appears.

If necessary, select RETRY, and enter the number again.

Viewing Your MMSI Number

Select MENU > DSC > MY MMSI.

Distress Calls

When you make a 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 manually entered your

position information with the time, that data is transmitted with

the call.

NOTE: You should familiarize yourself with the standard

distress-call format and protocol to ensure 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 faster procedure that can save

you time during an emergency.

Lift the spring-loaded door, and hold DISTRESS for at least 3

seconds.

The radio beeps and counts down the seconds. DISTRESS

CALL COUNTING DOWN appears on the screen.

The radio sounds an alarm, switches to channel 70, and

transmits your call on high (25 W) power.

Press any key to silence the alarm sound.

The radio tunes to channel 16 on high (25 W) power.

Select PTT on the handset or radio to relay your distress

message.

The radio waits for an acknowledgment (ACK) on channel 70

from a listening station.

Sending a Designated Distress Call

When you send a designated distress call, the nature of your

emergency is transmitted to the receiving stations.

Lift the spring-loaded door, and press DISTRESS.

Turn the SELECT dial, and select the type of distress call.

Digital Selective Calling

NOTICE

(Entering Text, page

4).

TIP: You can select CLEAR to exit the screen without

sending a distress call.

Hold DISTRESS for at least three seconds.

The radio beeps and counts down the seconds. DISTRESS

CALL COUNTING DOWN appears on the screen.

The radio sounds an alarm, switches to channel 70, and

transmits your call on high (25 W) power.

Press any key to silence the alarm sound.

The radio tunes to channel 16 on high (25 W) power.

Select PTT on the handset or radio to relay your message.

The radio waits for an acknowledgment (ACK) on channel 70

from a listening station.

Waiting For and Receiving and Acknowledgment for a

Distress Call

If the radio does not receive an acknowledgment for a distress

call, the radio retransmits the distress call randomly between 3.5

to 4.5 minutes later, and continues to retransmit the distress call

at random intervals until the radio receives an acknowledgment.

When the radio receives the acknowledgment, it begins beeping

and DISTRSS ACK appears on the screen.

Press any key to turn off the beeping.

Select

to view additional information.

TIP: If the MMSI of the station transmitting the

acknowledgment signal is an entry in your directory, the

name associated with the MMSI number appears on the

screen. If the MMSI of the station is not in your directory, the

MMSI number appears on the screen.

Select ACCEPT.

Stopping Automatic Retransmission of Distress Calls

Select CANCEL.

The radio remains tuned to channel 16.

NOTE: Selecting CANCEL ends the automatic repetition of

the call, but does not communicate to other stations that you

no longer have an emergency. If you no longer have an

emergency, you should revoke the distress call

Distress Call, page

Revoking a Distress Call

You do not transmit a distress call until you hold DISTRESS for

at least three seconds. If you inadvertently make a distress call,

or are no longer in distress, you should cancel the call

immediately by transmitting a voice message to all stations on

channel 16.

Select CANCEL > YES, and wait until DISTRESS CANCEL

HAS BEEN SENT appears on the screen.

Select OK.

Hold PTT on the handset, and transmit an appropriate voice

message to cancel the distress call

Cancellation Script, page

Select an option:

• Select END to complete the distress-call cancellation and

return to normal radio operation.

• Select RESEND to resend the distress-call cancellation

and start the process again.

Distress Call Cancellation Script

When you revoke a DSC distress call

page

5), you should transmit an appropriate cancellation

message.

For example, "All stations, all stations, all stations, this is

_____(vessel name), MMSI number ____, position ____(North

or South), ____(West or East). Cancel my distress alert of

____(date and time). This is ____(vessel name), MMSI number

____. Out."

5).

(Distress Call

5).

(Revoking a Distress Call,

(Revoking a