Furuno FS-1570 Installation Manual page 14

1.2.5 Mounting
Fix the antenna coupler to a bulkhead of the bridge, mast, handrail, etc. For mounting on the
mast, select a location within the total length of the antenna, and weld suitable mounting fixtures
(local supply) to the mast and bolt the coupler there.
For indoor installation, select a location where the distance between the lead-in insulator and
the coupler is as short as possible.
Example for outdoor installation
Mounting fixture
(Local supply)
1-6
Mast
Fix with four M6 bolts.
(Local supply)
Example for antenna coupler mounting
Do not installation with this direction.