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The
power
cable has three
wires; red, white,
and black. Red is the
positive
lead,
black is
negative
or
ground.
Attach the
in-line fuse holder
to the red lead as close to the
power
source as
possible.
For
example,
if
you
have to extend the
power
cable
to
the
battery
or
power
buss,
attach the fuse holder to the
battery
or
power
buss. This will
protect
both the unit and the
power
cable in the event of a short. The white
wire is for a
NMEA
interface.
The Z-9500 sends data for an
autopilot
or other electronic
navigation
devices
through
this wire. If the white
wire is not
used, tape
the end so that it cannot short.
To connect a device to the Z-9500's
NMEA
output,
attach a
shielded,
twisted
pair
cable from the
autopilot's
NMEA
intput
to the white wire on
the Z-9500's
power
cable. Solder the
ground
conductor of the twisted
pair
and the shield to the
black wire on the
power
cable. Do not
connect the shield to the
autopilot.
See the other device's manual for
more
wiring
instructions.
The ELC-1
supplied
with the 2-9500 has an
external
ground lug.
This is
useful if
you
have noise
problems
or
if
you're
in an area with low
signals.
See
page
103 for
wiring
instructions.
LORAN-C
GREAT LAKES CHAIN
DRAFT
GRI 8970
•
TRANSMIUER
o CONTROL
*
MONITOR
TO "P"
CONNECTOR
TO sPEED/TEMP SENSOR
(NOT INCLUDED)
SPUCE AND TAPE
Fuse
NMEA INPUT
Approximate
Limits of
Coverage--
1:3 SNR
and
LEGEND: 1/4 NM Fix
Accuracy (95%
2
dRMS),
Noise
53db
2
M DANA
W MALONE
X SENECA
V BAUDE1TE
2 BOISE CITY
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