My Structure Scan display is good on the left side and the right side does not fill the screen. My transducer is mounted under my boat on the step. I have a HDS8 and everything is brand new. All other functions including down scan work fine. My sonar transducer is inside of the hull. Any suggestions?

Hey Joe,
Wow.. where to start.. there are so many things that will cause the issue you are describing.What type of electronics do you have? Does this happen at all speeds? Where is the transducer mounted? I need more info about when it stops reading.
1.Wrong setting on the unit
2 Bad transducer
3 Bad transducer mounting (either inside the hull or outside the hull.)
4. (In hull) Turbulence going under the boat (mine quits reading at about 55 mph @ half trim...the boat is lifting so much it causes air pockets so the transducer loses contact with the water)
5. (Outside hull) Turbulence around the bottom of the boat where the transducer meets the water.
Good luck,, when you get the info.. reply to me..

I would suggest getting a transducer extension cable and installing the t'ducer on the left side of the boat.

This is what the manual says:
The StructureScan transducer can be mounted on the transom,
jackplate, step or directly to your boat's hull.
When mounting it directly to the hull, you must purchase a high-
quality, marine grade above- or below-waterline sealant/adhesive
compound.

well if the side scanner is a stern mount. Then opposite side would be best and scanning away from other transducer. Too much wattage and they will mix signals and give you two blank screens. You can mount together but run one at a time. Aloha

It does come with everything in the box you need to rig your boat. If you are going to rig it on a fiberglass boat I would mount the Side Imaging transducer right under the jackplate and make sure you can see from side to side without anything blocking it on either side of the transducer. Then I would epoxy a transducer (XP 9 20) in the hull of the for high speed readings and then use a Y cable (AS SIDB Y) to tie the 2 transducer together.

Yes... or it is unplugged... or the wire is broken...

Typically you hear a clicking sound at the transducer when it is powered and running but in your case all function is missing from the display and temp and depth is off of the transducer..

Hello Keneth,
Is The transducer In Side the Hull Or Mounted On The Transom?
If Inside Remove It And Re Fit It Using Epoxy Glue Ensuring No Air Pocket Between transducer And Hull.
If transom Mounted Replace Transducer.
Hope this Helps
Gordy

This problem is most likely linked with your transducer.

1. Check your transducer cable and make sure the plug terminals are clean, as well as the plug on the back of the unit.
2. Make sure the transducer cable is plugged in correctly and securely.
3. Make sure the transducer is in the water and mounted according to the directions, parallel to the bottom of the boat
4. Turn the unit on while the boat is in the water, but with the engine OFF.

IF it works when the engine is off, but vanishes when the engine is on, you may be having electrical interference.

IF it works when the engine is running, but vanishes when the boat is moving, it is a turbulence problem. Move the transducer.

IF it does not work at all, try borrowing a new or a "known good" transducer and seeing if it works then. If so, replace the transducer.

Let us know if these work or now.

You can use a thru-hull transducer but a transom mount transducer will always interference with all of that water and alot of air bubbles moving under it at high speeds.