Author Topic: 798 problems  (Read 4094 times)

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Offline slimbo

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  • Joined: Dec 2010
  • Location: birmingham,al
  • Posts: 1
  • Unit(s): 798ci w/si
  • Software: basemap
798 problems
« on: February 01, 2011, 11:49:41 AM »
dont know if im doing something wrong or if i just dont understand but my si doesnt seem to work right the downimage is great but all i get on si is smooth screen with an occasional rock pile when i get near piers nothing when i know there is brush or trees there nothing dont get it is something wrong or some settings i can change or i heard a new transducer was available the si just doesnt work like adds show  please help


Wayne P.

  • Guest
Re: 798 problems
« Reply #1 on: February 01, 2011, 12:18:30 PM »
There is no "new" transducer available for the 798.

« Last Edit: February 01, 2011, 02:31:08 PM by sonar2000 »

Offline kosmo

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  • Joined: Mar 2009
  • Location: kentucky
  • Posts: 194
  • Unit(s): 2 - 998 , 597hd/di
Re: 798 problems
« Reply #2 on: February 01, 2011, 12:21:49 PM »
slimbo; please send some pictures. somebody here can help

Offline ITGEEK

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  • Joined: Aug 2009
  • Location: Maryland
  • Posts: 1552
  • Unit(s): 1198c -Team Watters SS - Lexerd SP
  • Software: 7.670
  • Accessories: XM Weather - Weathersense
Re: 798 problems
« Reply #3 on: February 01, 2011, 01:52:58 PM »
Did you take the unit off of DEMO mode? :)
Just kidding.

Well,
Make sure there is nothing interfering with the transducer .
It needs a clear path to shoot out to each side.
You may need to trim up your motor to create a clear path.

Maybe if the transducer is installed too low or too high on your transom, it
could be getting too many air bubbles from turbulant water.  You could try moving the transducer to another location.

Make sure the transducer is more or less level when your boat is in the water.
It could be pointed too far up or down.  I think the optimum is pointed slightly downward.

Make sure the transducer is clean.

I'm all out of ideas.
Good Luck.

Offline Bob B

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Re: 798 problems
« Reply #4 on: February 01, 2011, 04:43:13 PM »
Maybe you are referring to upgrading to the HDSI transducer?
**Looking for the one that makes it all worthwhile**

Offline maxflia

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  • Joined: Mar 2011
  • Location: NC
  • Posts: 5
  • Unit(s): 898C SI
Re: 798 problems
« Reply #5 on: March 18, 2011, 09:02:06 AM »
Did you ever figure out what was wrong.  I think I am having a similar problem with my 898.  I have only taken it out once though.  I am going to try again on Sat.  I have my transducer on my trolling motor and everything looks pretty clear.  I wasn't able to see any dock pilings or laydowns.  Attached is my mount could this be the problem. 


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