74 GPSMAP
®
4000/5000 Series Owner’s Manual
Radar
Complete an action:
• For the GPSMAP 4000 series, press the (/) keys to zoom out and zoom in.
• For the GPSMAP 5000 series, touch and to zoom out and zoom in.
Selecting a Chart Type for the Radar Overlay
You can indicate whether the Navigation Chart or the Fishing Chart appears under the Radar Overlay.
: The Fishing Chart is available with a preprogrammed BlueChart g2 Vision data card.
1. From the Home screen, select > > > > .
2. Complete an action:
• Select > .
• Select > .
Optimizing the Radar Display
You can optimize the radar display for Cruising mode, Harbor mode, Offshore mode, or Sentry mode
individually, and for each screen in Dual Range mode.
1. From the Home screen, select .
2. Select , , , , or .
3. Select a radar range (page 75).
4. Restore the default value of the gain setting (page 76).
5. Restore the default value of the sea clutter setting (page 77).
6. Restore the default value of the rain clutter setting (page 78).
7. Restore the default value of the FTC setting (page 78).
8. Restore the default value of the crosstalk setting (page 80).
9. Adjust the gain setting manually (page 76).
10. Adjust the sea clutter setting manually (page 77).
11. Adjust the rain clutter and FTC settings manually (page 79).
