Fog horn
The fog horn function can be set to manual or to predefined automatic modes.
In manual mode a continuous tone is sounded for as long as the PTT button is pressed.
In automatic mode the selected tone will repeat every 2 minutes until interrupted or cancelled. In automatic mode the radio can be used as normal between the fog horn patterns.
Fog mode |
Description |
Pattern |
|---|---|---|
| Underway | Vessel underway. |
1 long tone. |
| Underway/Stopped | Vessel not underway. |
2 long tones. |
| Sailing/Fishing | sailing vessel or any vessel fishing but not trolling. |
1 long tone and 2 short tones. |
| Restrict/Tow | Restricted in ability to maneuver or towing another vessel. |
1 long tone and 2 short tones. |
| Under tow | This vessel is being towed. |
1 long tone and 3 short tones. |
| Pilot vessel | This vessel is a pilot vessel. |
4 short tones. |
| At anchor | Vessel is at anchor. |
12 consecutive rings. |
| Aground | Vessel is aground. |
3 short rings, 12 consecutive rings, 3 short rings. |