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Jan 23rd, 2013
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Hummin bird unit #13576142 05/30/20 02:40 AM
Joined: Jan 2004
Posts: 3,736
Ranger-188-2007 Offline OP
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I have a 898 unit. Went out today and my sonar doesn't read running and sitting still. Down imaging not working either. SI is working. Is this a problem with the transducer or the head unit? Was working fine a couple of weeks ago.


All fishermen are legends in their own minds! Ranger Boats, Yamaha Outboards, Humminbird Electronics,Motor guide, and all the tackle in the world.

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Re: Hummin bird unit [Re: Ranger-188-2007] #13576306 05/30/20 12:04 PM
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Wayne P. Online Content
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The unit doesn't have Down Imaging. It has composite DI views created by blending the two SI pulses. The DI view is ranged by the 2D sonar, so that is why it doesn't show anything.

You can connect any type of Humminbird transducer with that plug type that has a 2D piezo to see if the 2D circuit has failed or the transducer itself.
If the unit is on the console, you probably have a shoot-thru 2D transducer connected via Y cable. Disconnect the SI transducer from the Y cable and connect it directly to the display. Do the same with the shoot-thru. That should tell you if the 2D transducer has failed, the Y cable has failed or the unit itself is the issue.


Helix 12 CHIRP MEGA SI+ GPS G3N, 1198c SI, Helix 7 CHIRP MEGA SI GPS G3,
Helix 10 MEGA DI+ GPS G3N, SOLIX 12 SI, MEGA 360, RC-1
Re: Hummin bird unit [Re: Wayne P.] #13576425 05/30/20 02:30 PM
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Ranger-188-2007 Offline OP
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Thanks I'll check it out!


All fishermen are legends in their own minds! Ranger Boats, Yamaha Outboards, Humminbird Electronics,Motor guide, and all the tackle in the world.

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