Side Imaging Forums > 1197c SI, 1198c SI & 1199ci HD SI

1197-Chartplotter window scale keeps changing on me

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rnvinc:

--- Quote from: nediver on July 17, 2021, 09:56:54 PM ---Great idea thank you. Will do.

It it stops doing it while my Navionics chip is out-what does that tell me/us?

--- End quote ---

A corrupted map card can cause weird gremlins  ...

If the issue goes away with no map card - contact Navionics  ...
https://www.navionics.com/usa/support/contact-us

Rickie

nediver:
I got out today and pulled the Navionics card out.

Machine did the same thing-no change at all-range setting changes all the time.

Any other ideas appreciated.

rnvinc:
Under the Setup tab set User Mode to Advanced  ...

Then look under the Chart tab for Auto Zoom and Auto Range. Make sure both are Off

Rickie

nediver:
Yes! I followed the advice above and changed the setting but it didn't work.

I then read another post that I  should do both of these: Change AUTO ZOOM setting AND change AUTO RANGE settings and it worked. Was out for 4 hours yesterday and the Bird worked great-no issues.

Thank you everyone I really appreciate your help!

HH

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