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1 7
Display difficult
t o see
18
Keyboard console
malfunction
19
Compass sensor
malfunction
20
Intermittent NAV
.
Nav receiver defective o n that data format.
be changed
, gator can
0183,
NMEA
the fault you may have a defective nav receiver.
Navigation receiver
If
you suspect this
standards.
receiver manufacturer.
has
T h e display
a viewing angle of
display is mounted overhead,
be
display may
removed and reversed
this. However, the decimal points will
the display rather than the battom.
.
If
the keyboardldisplay unit appears
.
ing, first check that the wires are firmly seated in the
.
AMP
white
style connector.
Also
check the flexible strip from the keyboard to the
printed circuit.
A technician may try a new
If
the compass unit appears
t h a t
the wires are firmly seated in the white
'
If
nector.
any appear
narrow slot type screwdriver.
.
A technician may try a new
POWER LINE INTERFERENCE:
navigator is operated from a different power source than
the actuator motor.
-
the actuator motor should
mally reserved for starting the engines. This
the actuator is never used unless the engine
as
.
and
not
it will
drain the battery.
to another format, try
0182. If this does not correct
does
fully
not
adhere to NMEA
is the problem, consult the
45
be
may
it
to
If
any appear to
a
very
slot
type
to be
malfunctioning, check
be
to
On
vessels with two battery systems,
be
wired to
Servicing and
If
the navi-
If
o n
it.
If
degrees.
the
hard
read. T h e
to
socket to cure
in its
be
a t the top of
be malfunction-
be
loose,
screwdriver.
AMP
con-
Make sure the
the
battery nor-
allowable
is
running
is
Troubleshooting
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