Garmin VHF 200i - Manual (Page 9)

VHF 100/00 Series Radio Installation Instructions 
VHF 100/200 Series Flush-Mount Template
6
15
/
32 in.
(164 mm)
3
1 /
4 in.
(82.4 mm)
Pilot hole
9 /
6 in. (
.5 mm) drill bit
Recommended clearance for DISTRESS key door
Recommended clearance for sun cover
Recommended clearance for sun cover handle