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Author Topic:   987c Goes to Work
highanddry posted 07-02-2006 03:19 PM ET (US)   Profile for highanddry   Send Email to highanddry  
OK, have the 987c semi installed and did get it in the water for preliminary testing. Yep, it shows a picture of the bottom. Yep, it works as advertised. Yep, my wife could see me swimming in my scuba gear.

Of course we were shallow an in fresh water and calm conditions. How it will do in saltwater, deep and with typical wave conditions is yet to be seen but I suspect it will perform well giving good information--even if degraded by the more demanding conditions.

GPS locked on solid also. Standard sonar and 50/200 split screen sonar worked awesome.


Captain Trevally posted 07-06-2006 10:52 PM ET (US)     Profile for Captain Trevally  Send Email to Captain Trevally     
Hi J,

Please let me know if try Humminbird 987c in saltwater. I really want to know the real performace of Humminbird 987 c in saltwater. I would appreciate if you can send the scanning result of Humminbird 987C in saltwater in this forum.

Best regard.
Capt. Trevally

highanddry posted 07-07-2006 04:25 AM ET (US)     Profile for highanddry  Send Email to highanddry     
Captain, unfortuantely we have already done our saltwater trip for this year but have several more freshwater trips planned.

There is no other unit that compares to this 987c. Yes, I expect it's performance to be degraded in saltwater--sometimes more and sometimes less depending on the conditions of the day. Ask yourself is a fuzzy image is better than no image? The standard sonar is excellent in both frequency modes or in dual mode with a split screen. This is a superior unit, excellent legibility and it seems so far to function as advertized.

Things that may affect saltwater use:

-Aeration in the water column

-Plankton and other life, sediment, suspended material such as grass, seaweed etc

-wave action that rocks the boat side to side--short--steep waves that rock the boat rapidly show more image degradation that long period waves that gently roll the boat.

I wiah I had this a month or so ago when we were down in the Destin area for a real workout.

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