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18 GPSMAP 700 Series Owner’s Manual
Charts and 3D Chart Views
Showing or Hiding Hazard Colors
1. From the Home screen, select  >  >  >  > 
.
2. Complete an action:
Select  to view shallow water and land with a color scale. Blue indicates deep water, yellow is
shallow water, and red is very shallow water.
Select  to view the land as seen from the water.
Mariners Eye 3D, Hazard Colors Off Mariners Eye 3D, Hazard Colors On
Showing Range Rings
See “Showing Range Rings” (page 16).
Selecting a Safe Depth
You can set the appearance of a safe depth for Mariners Eye 3D.
: This setting affects only the appearance of hazard colors in Mariners Eye 3D. It does not affect the
safe water depth Auto Guidance setting (page 46) or the sonar shallow water alarm setting
(page 77).
1. From the Home screen, select  >  >  >  > .
2. Enter the depth.
3. Select .
Selecting a Lane Width
See “Selecting a Lane Width” (page 16).
Showing Other Vessels
See “Conguring the Appearance of Other Vessels” (page 50).
Showing and Conguring Overlay Numbers
See “Overlay Numbers” (page 48).
Using Waypoints and Tracks
See “Waypoints” (page 26) or “Tracks” (page 30).
Fish Eye 3D
Using the depth contour lines of the BlueChart g2 Vision cartography, Fish Eye 3D provides an underwater
view of the sea oor or lake bottom.
When a sonar transducer is connected, suspended targets (such as sh) are indicated by red, green, and yellow
spheres. Red indicates the largest targets and green indicates the smallest.
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