12 GPSMAP
®
4000/5000 Series Owner’s Manual
Charts and 3D Chart Views
Selecting the Heading Line Source
The source for the display of the heading line on the chartplotter is determined by the heading line source
setting ( or ) and whether heading information is available from a heading sensor.
• If heading information is available from a heading sensor and the source heading is set to , both the
heading line and the vehicle icon will be aligned to the heading from the sensor.
• If heading information is available from a heading sensor and the source heading is set to , the
heading line will be aligned to the GPS heading, but the vehicle icon will be aligned to the heading from
the sensor.
• If heading information is not available from a heading sensor, both the heading line and the vehicle icon
will be aligned to the GPS heading.
1. From the Home screen, select .
2. Select or .
3. Select .
4. Select .
5. Select > > .
6. Complete an action:
• Select .
• Select .
Showing and Conguring Spot Depth Soundings
On the Navigation Chart, you can turn on spot soundings and set a dangerous depth.
1. From the Home screen, select > > > >
> >.
2. Select > .
3. Enter the dangerous depth.
4. Select .
Conguring Depth Shading
You can customize the appearance of depth shading on the Navigation Chart.
: Depth shading is available with a preprogrammed BlueChart g2 or BlueChart g2 Vision data card.
1. From the Home screen, select > > > >
>.
2. Complete an action:
• Select (or ), enter the depth, and select . Areas on the chart with depths
shallower than the specied value are shaded in blue, while areas with depths greater than the specied
value are shaded in white. The contour is always drawn at, or deeper than, the selected depth.
• Select to use the depth from the g2 or g2 Vision chart.
