Al Hutko posted a discussion

I have 2 on the boat and use them as prominent displays for depth and speed.   Periodically, the depth reading appears to “lock up” on a value and display “Last Depth”.  I searched the manual and cannot find a reference to “Last Depth”.  My other Raymarine chart plotter continues to display the depth in real time.  Is the “Last Depth“ coming from a particular setting?See More