Furuno GP-1610CF Operator's Manual page 17

5. Tape the antenna unit, mounting fixture and mast with vinyl
tape.
Figure 1-8 Securing antenna to mast with vinyl tape
6. Attach a clamp to the antenna unit and tighten. Leaving some
slack in the antenna cable as shown, fix it with vinyl tape.
Leave slack
in cable.
Vinyl tape
Figure 1-9 Fixing the antenna cable with vinyl tape
Vinyl tape
Slotted-head
screwdriver
Clamp
1-7