Garmin VHF 300 AIS Manuale Utente

Digital Selective Calling

2.  The radio automatically sounds an alarm, switches to Channel 70, and transmits your 

call on HI (25 W) power. You can press any key to turn off the alarm sound.

3.  After transmitting your distress call, the radio automatically tunes to Channel 16 on HI 

(25 W) power. Press the 

 key on the handset and speak your message. The radio 

waits for an acknowledgement (ACK) on Channel 70 from a listening station.

When you send a designated distress call, the nature of your emergency is transmitted to the 

receiving stations.

1.  Lift the spring-loaded door and press the 

 key.

2.  Use the 

 knob to select the type of distress call:

UNDESIGNATED
FIRE
FLOODING
COLLISION
GROUNDING
CAPSIZING
SINKING
ADRIFT
ABANDONING
PIRACY
MAN OVERBOARD

NOTE: To exit this screen without sending a designated distress call, press the 

 key 

to return to the Home screen, or press the 

 key (North American models) or the 

 key 

(International models) to tune to Channel 16.

3.  Press and hold the 

 key for at least three seconds.

4.  The transceiver beeps, and the screen displays “DISTRESS CALL COUNTING DOWN”. 

The channel pane counts down the seconds from 3 to 1.

5.  The radio automatically sounds an alarm, switches to Channel 70, and transmits your 

call on HI (25 W) power. You can press any key to turn off the alarm sound.

6.  After transmitting your distress call, the radio automatically tunes to Channel 16 on HI 

(25 W) power. Press the 

 key on the handset and speak your message. The radio 

waits for an acknowledgement (ACK) from a listening station.

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