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EXTERIOR BASE MOUNT INSTALLATION (FIG. 2)

1. Select an area on the roof for the base mount keeping in mind the following 

IMPORTANT POINTS

:

a) The point of the base mount with the adjustable connector should face the front of the vehicle (Fig. 1).

b) The center of the roof hole must be at least 

510mm

 away from any object taller than 

120mm

 to provide clearance

 for

 

the 

antenna head to rotate freely. The center of the roof hole must also be at least 

120mm

 from the edge of the roof.

c) There must be room on the interior ceiling of the vehicle to attach the rotation knob and enclosure to the

adjustable connector.  The interior enclosure can be mounted in any direction.

2. Drill a 

50mm

 hole 

perpendicular to the roof surface

all the way thru the vehicle roof where the adjustable connector will go.

(A

 45mm 

hole will work for flat roofs.  If roof has a pitch (up to 3 degrees) you may need a larger hole up to 

58mm

.)

3. Inside the vehicle, place the enclosure base over the hole and against the ceiling in the position it will be mounted.  Mark the

coax hole on the ceiling.  Enlarge the 

interior roof hole only

at this location to accommodate the coax cable where it will

exit the roof and enter the enclosure base (Fig. 3).

4. On the roof of the vehicle, carefully pull out the adjustable connector so it will extend beyond the thickness of the roof when

the base mount is installed.  It must extend thru the roof to allow installation of interior components.  Exact length will be
adjusted when interior components are installed.

5. Connect the coax from the antenna input of the power supply switch to the open connection on the splitter in the base

mount.

6. Apply sealant to ring seal and base mount, and fill the coax channel with sealant.  (Butyl tape may be used in combination

with sealant.)  Carefully place the base mount in position with the adjustable connector and coax going thru the roof hole
and into the interior of the vehicle.  

Make sure the point of the base mount with the adjustable connector is pointed

towards the front of the vehicle.

7. Center the adjustable connector in roof hole and fasten the base mount to the roof.  Use the mounting holes in the base

mount as a guide to install the fasteners (determined by the installer) into the roof.  Make sure the base mount is sealed all
the way around and the coax channel is fully sealed as well.  

ALL EXISTING HOLES MUST BE SEALED!

IMPORTANT! The installer is responsible for determining the most appropriate fastener to secure the base mount to the

roof and weatherproofing all holes with sealant.  The installer is responsible for sealing all existing holes
when replacing an existing antenna mount.

IMPORTANT! In Step 6, ring seal sealant must not get on the adjustable connector.

FIG. 2

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