My Lowrance lcx 17m is
I will suggest you reset your GPS, to reset your gps, follow
this steps, turn off your device. Press down on bottom right corner of
touchscreen, and then power on the GPS unit. You should be prompted
whether do you really want to erase all user data, or asked if do you
really want to start up in maintenance mode. Press Yes to reset
(warning: all data will be erased and lost, so backup before proceeding)
or enter maintenance mode.
Once the GPS unit is reset, remember to place the device
outside where there is a clear unobstructed view of the sky for 15 to 30
minutes in order for it to requires fix to GPS satellites. with this, the abnormalities should be fixed.
on Aug 01, 2011