Simrad Autopilot Compass
16 20220653 / Rev. C
4 LOCATION AND INSTALLATION
4.1 Inspection of mounting area
The area around which the compass will be mounted should be
inspected for one or more of the following items:
- Vertical or horizontal soft iron rod(s)
- Channel or angle iron.
- Throttle and clutch control push-pull cables.
- DC ampere meters (internal shunt).
- Steel tachometer cables.
- Unpaired, untwisted DC cables.
- All steel, household type, circuit breaker boxes.
- Iron pilothouse hold down bolts.
- Radar magnetrons.
- Other compasses.
- Magnetic flashlights.
- Audio speakers.
- Some microphones.
Reasonable care should be taken to mount the compass a
minimum of 1 meter from any of these objects, and as much as 3
meters from other magnets or radar magnetrons.
4.2 Installation
For initial installation of the compass, the desired mounting
location should be checked for unseen items
which may cause
compass error.
This is done easily by a (small) hand
held magnetic compass, provided it has
a visible card with markings, to detect
magnetic interference.
Place the compass in the desired
mounting location. Allow the compass
card to come to rest and note what
heading it is reading (refer to lubber line
or other mark on the compass bowl).
Up
Down
Stbd.
Port
Fore
Aft
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