1971F Touch Screen

Merts

New member
Hello Furuno Users,

I have been using 1971F . Touch screen responds late or does not respond. I have been using it for 2 months. For example I press an option but the device responds as I choose something different. My sliding menu windows do not responds. I cleaned the screen very well.
I can not upload a video.
What should I do?
 
Please make sure the bare shield ground wire (wire that has no insulation) is grounded, see the attached.

1729710756037.png
 

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Hi,
I am wondering a detail about this. What does ship's ground mean? I have a fiber boat. Where should I connect that wire? Is it ok to connect it to negative pole of the battery together with the black wire?
 
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