Quote Originally Posted by vic n View Post
It is possible that the speed has been turned off. You may have to go through this process for several "Readout Positions" and follow the instructions here:

Press the UP or DOWN Cursor keys to select a Readout position, then
press the RIGHT or LEFT Cursor keys to choose what will be displayed in
that position. To hide the data window, select Off. (Course, Navigation,
Off, Position, Speed, Temperature, Time+Date, Triplog, Voltage)

This is copied out of the 587/597 owner's manual at humminbird.com
Thanks very much. I will try it. If not I might call the boat dealer and see if they can figure it out. I really don't want to have to get a new untitled and reinstall everything. Hope this will help. Thanks a lot