Furuno FELCOM 81B - Manual (Page 48)

Changing the
power fuse
Change the power fuse according to input voltage as
follows.
Figure 8 AC-DC power supply unit PR-300, rear view
Ground Connect a ground wire between ship's superstructure and a
ficing screw on the PR-300.
4.3 AC/DC Power Supply Unit PR-300
4-2
Input Output
100/110 VAC 10 A
200/220 VAC 5 A
100V 10A
220V 5A
ON
OFF
AC IN
20A
ON
OFF
DC IN
FURUNO
PR-300
Fuse for ship's mains
DC power sourse
switch AC power
sourse switch
DC OUT