Furuno GD-1700C - Manual (Page 180)

5. CUSTOMIZING YOUR UNIT
5-10
CNTOUR LINE soft key
1. Press the [MENU] key.
2. Press the CHART SETUP and CHART DETAILS soft keys.
3. Press the CNTOUR LINE soft key.
DEPTH < 10m
ON
DEPTH = 10m
ON
DEPTH > 10m
ON
DEPTH INFORMATION
ON
10m = APPROX. 30ft
OR 5fa OR 6pb
GD-1700
DEPTH < 10m
RED
DEPTH = 10m
YELLOW
DEPTH > 10m
LIGHT BLUE
DEPTH INFORMATION
RED
10m = APPROX. 30ft
OR 5fa OR 6pb
GD-1700C/1710C
CNTOUR
LINE
EDIT
RETURN
CNTOUR
LINE
EDIT
RETURN
Contour line menu (FURUNO, NavCharts ™)