unit has an external alarm
connection. You can find anything from a pleasant ding, to the most annoying tone for under US $5 at any Radio
Shack. The garmin
if I remember correctly is a 100ma load.
I mounted the unit at the nav station and is quite audible at the cockpit
"It was the Law of the Sea, they said. Civilization ends at the waterline. Beyond that, we all enter the food chain, and not always right at the top.”
Hunter S. Thompson