Raymarine C Series Reference Manual page 156

142
Circular guard zone
6nm
To set up a circular guard zone:
ZONE SHAPE
CIRCLE
Head-Up
ZONE SHAPE
CIRCLE
Repeat for
other settings
SET INNER
xx.xx nm
Set inner limit
Press to highlight
for guard zone
Repeat for
other settings
SET INNER
xx.xx nm
Press to highlight Set inner limit
for guard zone
C-Series Display Reference Manual
OK
Circular
Guard Zone
OK