Hello everyone!
I have 898 Unit and had an issue with 83 and 200 kHz reading. I thought it was because of the transducer, but now I have a new one XHS 9 and the problem remains. Any Idea what can cause this?
Usually I use Sensitivity 10. Let me show you a video from 0 sensitivity to 20.
![](https://www.ebay-kleinanzeigen.de/m-konversation-anhang.html?messageId=d94cc258-4cc1-11ea-ae62-02e99382c892&filename=1581420608906.jpg)