Garmin GLADIATOR TR-1 - Manual (Page 17)

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Note: If you hang the mounting bracket upside down, be
sure to run the cable through the capture cage. See Fig. 15
Fig. 14
The Compass Ball connects to #4 on the ECU. The Compass needs to be mounted in the front 1/2 of the boat. The
Compass ball contains a fluxgate compass which is sensitive to magnetic disturbances, be aware of what is around it
before mounting it permanently. Keep such items as, radio speakers, anchors, air ride seats, windshield wiper motors,
tool boxes, fire extinguisher, and the autopilot pump motor at least 24” away from the Compass Ball. These items will
cause the Compass Ball to malfunction. The Compass Ball contains a Fluxgate Compass and Gyro; it’s important that
it is orientated correctly in the bracket. Place the ball in the bracket as to allow the wires to come straight down as
pictured in Fig.17.
Fig. 16
Fig 13
Fig. 15
Installation of Compass Ball
Step One: Mounting the Compass Ball
Hold the mounting bracket in the desired position and drill through
the holes into the mounting surface. (Be sure that the wire coming
out of the ball can exit the ball straight down) Tap if necessary.
Install and tighten the three mounting screws as shown in Fig 13.
Step two: Placing ball in bracket
Place the ball, wires down, into the bracket and capture it by
snapping the cage over the ball, sliding the tips of the cage
between the ball and the legs of the bracket. Do the two legs
without the thumbscrew first. Rotate cage upwards to catch
the bracket with the thumbscrew. See Fig. 14.