Sort of a companion thread to my GX2200 post. Is a loud hailer used to audibly state one's position - or else, maybe to shout, "Hey you, get outta the way!". Is an additional speaker needed, e.g. http://www.thegpsstore.com/Standard-Horizon-MLS-310-External-Speaker-Black-P3035.aspx Never been in the fog (on the water).
Thanks in advance, --Bob Moriarty Ox 1976 33-1 Jax, FL
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