My LMS 525C DF won't hold user settings, is there an internal battery that can be replaced?
The unit goes back to factory settings everytime it's turned off, ie, it won't hold my settings for units of measurement, time/date format, etc, etc.
Boating - Lowrance - Lms 525c Df 5" Df Sonar Chartplotter With External Antenna
Answers & Comments
Hey Iva,
Here is the manual.. this should help you with any questions you may have..
https://www.lowrance.com/Root/Lowrance-Documents/LMS525CDF-520C_0151-461_120706.pdf