• The antenna should not be mounted where it is shaded by
the superstructure of the boat, a radome antenna, or the
mast.
• The antenna should not be mounted near the engine or other
sources of Electromagnetic Interference (EMI).
• If a radar is present, the antenna should not be mounted
directly in the path of the radar. The antenna should be
mounted above the path of the radar, but if necessary, the
antenna may be mounted below the path of the radar.
• If a high-powered transmitter is present, such as a VHF radio,
the antenna should be mounted as far as possible from the
transmitter's antenna. The minimum recommended distance
is at least 3 ft. (1 m) away from, and preferably above or
below, the path of the transmitter's antenna. If possible, you
should avoid installing the antenna in the direct line-of-sight
of the transmitter's antenna.
Installing the Whip Antenna
The whip antenna mast is disconnected from the DAB antenna
base for shipment. The whip antenna mast must be installed on
the DAB antenna base before you can receive DAB signals.
Turn the whip antenna mast clockwise to secure it to the top
of the DAB antenna base.
Testing the Mounting Location
1
Temporarily secure the antenna in the preferred mounting
location and test it for correct operation.
2
If you experience interference with other electronics, move
the antenna to a different location, and test it again.
3
Repeat steps 1–2 until you observe full or acceptable signal
strength.
4
Permanently mount the antenna.
Mounting the Antenna with the Cable Routed Outside
the Mount
Before you permanently mount the antenna, you must test the
mounting location for correct operation (
).
1
Select an option:
• If you are installing the antenna
À
on the included
mounting bracket
Á
, screw the antenna onto the bracket.
• If you are installing the antenna on a standard 1 in. OD, 14
threads per inch, pipe-threaded pole (not included), screw
the antenna onto the pole.
Do not overtighten the antenna on the bracket or pole.
2
With the antenna installed on the bracket or pole, fill the gap
in the vertical cable slot
Â
with marine sealant (optional).
3
Select an option:
• If you installed the antenna on the included bracket, use
the included screws to secure the bracket to the mounting
surface.
• If you installed the antenna on a pole, attach the pole to
the boat if it is not already attached.
4
Route the cable away from sources of electronic interference.
Mounting the Antenna with the Cable Routed Through
the Mount
Before you permanently mount the antenna, you must test the
mounting location for correct operation (
).
1
Select an option:
• If you are installing the antenna
À
on the included
mounting bracket
Á
, proceed to step 2.
• If you are installing the antenna on a standard 1 in. OD, 14
threads per inch, pipe-threaded pole (not included),
proceed to step 7.
2
Place the bracket on the mounting location, mark the center
through the bracket.
3
Using a 15 mm bit, drill a passthrough hole in the mounting
surface at the location you marked in step 2.
4
Route the antenna cable
Â
through the bracket and the
mounting surface.
5
Fill the hole you drilled in step 3 with marine sealant.
Filling the passthrough hole under the antenna bracket with
marine sealant prevents water ingress beneath the mounting
surface.
6
Use the included screws to secure the bracket to the
mounting surface.
7
Select an option:
• If you are installing the antenna on the mounting bracket,
screw the antenna onto the bracket.
• If you are installing the antenna on a pole, route the
antenna cable through the pole and screw the antenna
onto the pole.
Do not overtighten the antenna on the bracket or pole.
8
With the antenna installed on the bracket or pole, fill the gap
in the vertical cable slot
Ã
with marine sealant (optional).
9
Route the cable away from sources of electronic interference.
Mounting the Antenna on a Flat Surface
Before you can mount the antenna on a flat surface using the
threaded rods and thumbscrews, you must make sure that the
mounting surface is a maximum of 19 mm thick, and you must
have access to the other side of the surface to secure the
mounting hardware.
2
MS-DAB100A Installation Instructions
