TMQ AP9 Autopilot (V6.0 - 965) Page 20 of 51 31/1/2017
· Connect the cable into AP9 compass terminal strip
· Before fixing the CTSB to the compass surface, switch on the AP9, align the
CTSB carefully so that the AP9 display reads the same as the boat magnetic
compass
· When position is correct attach the CTSB with double sided tape
Wiring
The 5-wires & shield of the compass cable must be connected to the internal terminal strip
labelled T3 Compass. The compass wiring colour code is marked next to each terminal.
Ensure good contact is made between cable conductors and terminal strip connectors. If
the compass cable requires extending, contact TMQ for extension cable.
Installing a Magnetic Sensor Unit (Fluxgate Compass)
Where there is magnetic interference on a vessel, the magnetic sensor unit may have to be
tried in several positions to obtain the best operating results before final installation. Good
autopilot course holding is dependent upon the compass being free form magnetic
interference
Exercise care when handling the compass as internal gimbals may be damaged from abuse.
Remove internal packing prior to installing.
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 bracket vertically (on bulkhead, dash or deck head)
· Carefully remove internal transit packing from compass
· Insert compass body into bracket
· Rotate compass in bracket until cable faces towards the stern
· Route the cable to the AP9 Control unit position
· Plug compass cable into AP9 autopilot
· Check AP9 display reads the same as the boat compass when pilot is switched
on.
Note: The compass can be mounted outside the hull of the boat if required (eg: on a
mast of a yacht). However, places to be avoided are low in the hull near an engine or
machinery because of magnetic interference or too high up a mast because of potential
heeling errors.
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