Raymarine GPS navigation User Manual
Page 73
HA
R
D RESET
:
Turn the unit to OFF with
Press and hold the
and press
key to turn the unit ON.
RESET:
Turn the unit to OFF with
key. Press and hold the
and press
key to turn the unit ON.
In each case following
reset, the
NAV 398
display changes to
screen of the the Auto Start-up sequence and will prompt you to re-enter the
Latitude and Longitude initial position coordinates.
4.5 Troubleshooting Chart
S Y M P T O M
CHECK
No Power Input
Check in-line fuse. If blown,
replace with 2 Amp fuse.
Not Receiving
SNR readings = 0
reading does
not change.
Check Sensor connections.
Check Signal Status.
Check Initial settings.
Check Est. L/L entry.
Check
is correct.
Check Est. L/L entry. Re-enter
if error of more than 2 degrees.
readings have
constant error.
WPT BRG incorrect.
DTG appears correct.
Check position corrections for
invalid entries.
Check magnetic correction is ON.
Check if ASF is ON; Is
correct?
4.6 SPECIFICATIONS
4.6.1 General
Memories:
Event Marks:
Entry:
Route Plans:
Ships’ Track:
500; Name
characters.
Saves to next available WPT memory.
or user select, w/date stamp
Nav type
L/L,
10 plans; up to 20 waypoints max.
300 point memory
MAINTENANCE 4-3