Illuminated Marine Compass

– Fast Response Engineering
– Built-in Accuracy compensators adjust to maximise response
– Easy read blue card
– 12 volt light
– Gimbal universal mount

To adjust : Locate the slotted compensator adjust knobs at the knobs at the middle and side of the base. When received, the factory preset knobs should be in neutral (horizontal) position. To exert maximum effect on compensators, turn knob 90 degrees to positive (vertical) position.