TMQ AP9 Autopilot (V6.0 - 965) Page 21 of 51 31/1/2017
TMQ Fluxgate Compass Mounting Options
Calibration
The compass is calibrated before leaving the factory and will be accurate if there is no
external magnetic interference. After initial sea trials, you may wish to recalibrate the
compass, although in most cases the factory calibration will be as good as or better than
calibration achieved on the vessel. See the Compass Calibration Section.
Interchanging Magnetic Sensor Unit & Compass Top Sensor
The magnetic sensor unit (fluxgate) and compass top sensor can be interchanged.
However, the compass detector switches identified as component DIP2 on the PCB must
be switched to correct position. (Note: Rear cover must be temporally removed to access
the switches).
For magnetic sensor unit (COMMAG/ Fluxgate) slide to COMMAG side
For compass top sensor (CTS) slide to CTS side
Installing an Electronic Compass – ELECOM
Note: Mount away from any external magnetic interference, eg: radio or speakers. The
compass must be mounted horizontally with the arrow (on the top of the case) pointing
towards the bow of the boat.
Position
· Determine a suitable position free of magnetic influence
· Ensure there are no radios or radio aerials or cables nearby
· Check other side of bulkheads or behind dashes for any likely interference
· Install compass horizontally
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