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A template
is
M K 8
& MK9' where y o u w a n t your
t o back side for tightening the nuts.
Recommended tools for installation.
Toots:
*
Adjustable spanner
*
*
Drill 9mm
*
Drill 7mm
Electric p o w e r
Hand file
The navigator is
designed for
with any D C voltage f r o m 9 . 6 V t o 32V.
The installation kit includes a 9 socket D-SUB connector mounted with all the
necessary cabling. The Power Cable is a joint RED and BLACK pair:
BLACK wire (D-SUB socket
the battery.
R E 5 wire (D-SUB socket
battery.
Please b e sure t o have a fuse in the circuit
t o p r o t e c t t h e cabling. (Short-circuiting a cable with direct connection to a
battery will make severe damage). A typical installation is s h o w n in figure
5.
page
The electronics
the navigator is isolated from the external power supply. It is
of
recommended
ground the shield of the navigator to avoid static charge built
to
up. This can b e done in one of t w o ways:
ground.
g r o u n d .
'Seawater ground' is any structure in connection with the sea below the water-
line. The connection could be through a 10 KOhm resistor.
Antenna mounting and navigator shield
of
screen
the antenna cable. To avoid current loops do only use one of the t w o
grounding methods. If the antenna is mounted o n the push pit or similar metal
structure
recommend using that
w e
bly b y connecting i t t o boat's seawater ground).
unit
drill
1 2 V
2 4 V
or
should be connected t o the minus
should be connected t o the plus pole o f the
D -S U B
p a r t for
installed. Be sure that y o u have access
Use:
To tighten the nuts.
Hole for antenna mounting.
Holes for D-SUB connector.
Holes for mounting stays.
To smooth the hole for the 5-SUB
connector
battery supply, but the unit will work
n o t t o protect t h e navigator - but
is
electrically connected through
grounding o f the navigator (possi-
pole of
the
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