Humminbird Matrix 97 - Manual (Page 60)

56
Lat/Lon Grid
Lat/Lon Grid allows you to display or hide a grid showing latitude
and longitude lines.
To change the Lat/Lon Grid setting:
1. Highlight Lat/Lon Grid on the Navigation main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Lat/Lon Grid setting.
(Hidden, Visible, Default = Hidden)
Spot Soundings
Spot Soundings allows you to display or hide spot soundings, which
are depth measurements shown on the chart.
NOTE:Spot Soundings are only available on optional-purchase MMC charts.
To change the Spot Soundings setting:
1. Highlight Spot Soundings on the Navigation main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Spot Soundings setting.
(Hidden, Visible, Default = Hidden)
Shaded Depth
Shaded Depth allows you to change the depth used for shading on
the chart views.
To change the Shaded Depth setting:
1. Highlight Shaded Depth on the Navigation main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Shaded Depth setting.
(Off, 1 to 60 Feet, Default = 15 Feet)
North Reference
North Reference allows you to have bearings displayed with one of
two orientations: True North or Magnetic North.
To change the North Reference setting:
1. Highlight North Reference on the Navigation main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the North Reference setting.
(True, Magnetic, Default = True)