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2. INSTALL THE RADIO BASE STATION
Mount the VHF255S radio base station on your vessel, using the mounting location
determined in the previous procedure, and one of the two following procedures, gimbal
mounting or recessed mounting.
NOTE: You have the option of gimbal bracket mounting, which can either be mounted on the
dash or overhead and allows rotation of the radio during operation, or recessed mounting into
a dashboard or other appropriate surface.
To install the radio base station using the regular gimbal mounting bracket:
1. Place the mounting bracket on the mounting surface and use a pencil to mark
the location of the four holes in the bracket where the fasteners will be attached.
CAUTION: Before drilling, make sure that there is nothing behind the mounting surface that
might be damaged while drilling the mounting holes.
2. Set the bracket aside, then drill four mounting holes at the marked locations. If
you plan to use the supplied mounting screws, make sure the drill bit you use
is slightly smaller than the screw diameter of the mounting screw. If you plan
to use the supplied mounting nuts and bolts, make sure the drill bit you use is
slightly larger than the diameter of the supplied bolt. Next, align the mounting
bracket with the drilled holes, making sure that it is oriented correctly.
3. Insert each of the four supplied mounting fasteners through a spring washer,
then through a flat washer, and then into the mounting holes. Secure the
bracket to the mounting surface by tightening the mounting screws with a
screwdriver or nutdriver, being careful not to overtighten the fasteners. If you
are using the supplied mounting bolts, then you will need to hold the nuts on
the backside of the mounting surface with a wrench while tightening the bolts
with a screwdriver or nut driver, being careful not to overtighten the fasteners.
4. Mount the radio base station onto the bracket, making sure to match the
protrusions on the inside of the two arms of the bracket with the indentations
on the two sides of the radio base station.
5. Insert the supplied mounting knobs through the bracket arms and into the
holes on each side of the radio. The gimbaled bracket allows you to loosen the
knobs at each pivot in order to adjust the viewing angle of the radio and then
to hold the selected viewing angle by tightening the knobs again.
NOTE: You should only tighten the knobs by hand.