Garmin GPSMAP 740s - Manual (Page 22)

18 GPSMAP 700 Series Owner’s Manual
Charts and 3D Chart Views
Showing or Hiding Hazard Colors
1. From the Home screen, select Charts > Mariner’s eye 3D > Menu > Chart Appearance > Hazard
Colors.
2. Complete an action:
• Select on 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 off to view the land as seen from the water.
Mariner’s Eye 3D, Hazard Colors Off Mariner’s 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 Mariner’s Eye 3D.
NoTe: This setting affects only the appearance of hazard colors in Mariner’s 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 Charts > Mariner’s eye 3D > Menu > Chart Appearance > Safe Depth.
2. Enter the depth.
3. Select Done.
Selecting a Lane Width
See “Selecting a Lane Width” ( page 16 ).
Showing Other Vessels
See “Configuring the Appearance of Other Vessels” ( page 50 ).
Showing and Configuring 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 floor or lake bottom.
When a sonar transducer is connected, suspended targets (such as fish) are indicated by red, green, and yellow
spheres. Red indicates the largest targets and green indicates the smallest.