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Troubleshooting
Highlight FORCE STATUS UPDATE and press ENT.
Pay attention to the RX/TX buttons.
c. If the TX is not lighting up then either you do not have
the com port set to RADAR or the GPS unit is defective.
Verify that the Com Port is set properly, if it is then the
Lowrance unit will need to be sent in for repair.
d. If the TX is blinking but the RX is not then you are not
getting any information from the RIM, the processor or
the Radar. There is a fuse inside the processor that
has more than likely blown. Remove the front left black
screw, then remove the grounding post on the right side
of the front of the unit. Gently slide the front cover off,
the fuse is located on the left side of the board. This
fuse is very tight and difcult to remove, you may need
to use a pair of pliers to get a good grip on it and gently
try to pull it out. Replace the fuse, the faceplate, and
the screws, making sure that the front face is securely
seated so not to lessen the water seal.
If the communication is hooked up properly and all informa-4.
tion elds are properly displayed on the “radar information”
page, but the unit starts to warm up but you never see a
count down to standby on the screen and then radar com-
munication is lost after one minute. The voltage supply to
the Radar Antenna or the gauge wire supplying the voltage
may be to small.