Raymarine Chartplotter Owner's Handbook Manual page 77

5-4
• Environment: The unit should be protected from physical damage, heat
sources and excessive vibration. Although the unit is waterproof, it is good
practice to mount it in a protected area away from prolonged and direct
exposure to rain and/or salt spray.
The dimensions of the unit, including the bracket, are shown in the following
diagram.
170mm (6.7in)
MOB
GO TO
PAGE
CLEAR
ENTER RANGE
POWER
168 mm (6.6 in)
35 mm 35 mm
(1.38 in) (1.38 in)
122 mm (4.8 in)
RayChart 420/420D Chartplotter
125 mm (4.9 in)
112 mm (4.4 in)
80 mm (3.15 in)
plug clearance
34 mm 25 mm
(1.3 in) (1 in)
43.5 mm
(3.5 in)
D4721-1