Grounding
The Power Cable also contains a grounding
wire. Connecting this wire to a proper ground
(*see below) may reduce static on radios and
improve LORAN reception.
Many different grounding connections could
be used:
1. If you have a small vessel, the
negative battery post can be used.
2. If you have several electronic
instruments, each could be
individually attached to the battery
post. Do not connect one instrument
to another instrument and then to the
post.
3. If you have a ground plane for a radio
on your boat, connect the ground wire
to that ground plane.
*A proper ground connection point must be at
the same voltage potential as battery
negative. Any voltage difference between
battery negative and the ground point may
indicate a problem and the ground wire
should not be used. Ensure that connection
wires are as short as possible and that
connections are clean.
Compass Location
When choosing a location for the Compass,
try to locate it as close as possible to the
most stable spot on your boat. Usually this
spot will be close to the water line level, in the
middle of the boat and two-thirds towards the
stern from the bow.
Do not install your Compass near wires or
devices carrying large electric currents such
as battery chargers, electric pumps, motors
or televisions.
Do not mount your Compass near any iron or
steel objects.
Tools
You will need the following tools to install
your SI-TEX Autopilot:
SCREWDRIVER: One Phillips and one
medium slot screwdriver
WIRE CUTTERS: A pair of ordinary wire
cutters suitable for general work around your
house.
DRILL and a selection of DRILL BITS
SMALL ADJUSTABLE WRENCH
If you purchased a SP-70 or SP-80 with a
Rotary Rudder Feedback you may need one
stainless steel band clamp which is more
than large enough to fit around your rudder
post.
You may also wish to have a supply of tie
wraps for securing cable lengths and tools
specific to your own boat.
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