Humminbird 997c Si Combo Color Fish Finder And Gps Chartplotter, Without Transducer - Answered Questions & Fixed issues

Hi!

No problem. Here's the link to your manual!

http://www.manualnguide.com/dl/15864/

Happy Boating!

unfortunately, no.. Amazon has great prices on new ones.

If its too old to repair (humminbird is really great and well known for their repair shop!!). Time to invest in a NEW model. You will be GLAD you did.

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You cant change time since is gps controlled. All you can do is to choose correct time zone For example NY should be GMT -5 hrs

Wiring Diagram For The Transducer On A Humminbird Pmax 160 Manual - Image Results

Follow this link

Yes

Change your transducer.

Ask any 4 year old... they are geniuses when it comes to handheld electronics these days

With this type of issue.. its the transducer mounting ...99% of the time!!

https://www.humminbird.com/Category/Support/Product-Manuals

I would use slip rings to tie existing cable to prop motor support shaft and mount transducer to motor housing. 'slip ring'--metal ring a little bigger than shaft with a nipple the size of the cable. OR call the bird at 1-800-633-1468 or www.humminbird.com/Category/Company/Contact-Us/ and use some southern/country slang when talking. Best of luck 'you all'.

First steps (you may have done done) check all wiring connections ,transducer, power,ext. at both ends. Attempt power up again. No change. Call 1-800-633-1468 with model & serial #'s. OR Disconnect all cable connections from unit and with a strip of aluminum foil short out all the connections on the 898c.(not the cable). Attempt power up again. If unit will let you go to 'System Status' screen & record. Hope your unit works.

Hi Ken A little wiring 101 is in order here I think. NMEA out (+ and -) from your GPS goes to NMEA in (+ and -) of your VHF. Hope this helps you out

Try a contact spray.

Normally a new clean faced 1 KW thru-hull transducer works to 3,000 feet ( 914 meters). Maybe the impedance of the transducer and electronics driving it do not match. Connecting cable too long? Poor connections. Look at plug pins to see if any are bent.

Be sure you have your unit set in "max mode" and run it on 200khz frequency see if this makes any difference. Also be sure your unit is wired directly to your battery not through a switch or fuse panel as this can rob your unit of voltage, impacting the strength of your sonar signal.

You need to set the transducer lower. When at speed, the hull of the ship raises up out of the water and hence your transducer is probably not deep enough at these times to give a proper reading.

Several things could cause this: Stratified water temperatures. if the water is undisturbed and there are layers of warm and cool water, this can cause the problem. Fresh and salt water layers can also cause this. Debris in the water. can cause it as well. layers of turbid water and clear water can be a problem. If these are not issues, then make sure all connections are tight, and that there is no bottom paint on the transducer.

My 787c2 screen just shows lines across it does anyone know were to get a new screen for it hummingbird says they don't stock them anymore try Humminbird Fishfinder Depth Finder Humminbird GPS Chartplotters...