A
B
75
To view the system setup page options:
1. Press the
O
key.
To restore the default settings:
1. Highlight the Restore Defaults? option, and press
T
.
Navigation Setup
The navigation setup submenu is used to select a variety of navigation informa-
tion including: position format, units of measure, temperature units and heading
preferences. This submenu is also used to select map datums, set the CDI scale and
adjust the built-in velocity filter. The following options are available:
Position Format lets you select the coordinate system used to display
position. The following formats are available:
hddd.dddddº (degrees)
hdddºmm.mmm (degrees and minutes)
hdddºmmss.s (deg/min/sec)
British grid
German grid
Irish grid
Maidenhead
Swedish grid
Swiss grid
Taiwan grid
UTM/UPS grid
Loran TD
For more information on the Loran TD position format see Appendix G: on page 96.
Navigation Units selects the format for speed and distance measurements. You may
select from nautical, statute or metric formats. (The default setting is nautical.)
Depth Units selects the format for depth contour display on Micro G-chart offshore
chart cartridges and the sounder display. Depth contours and sounder depth units
can be displayed in feet, meters or fathoms. (The default setting is feet.)
Temp Units lets you choose whether to display temperature in Celsius or Fahrenheit
Heading lets you select what reference is used in calculating heading information.
You can select to reference automatic magnetic variation, true north, grid heading or
user magnetic variation. (The default setting is automatic.)
To enter a user magnetic variation:
1. Highlight Heading and press
T
. Select the User Mag Var option and press
T
.
A. The GPSMAP 185 Sounder will also display
position coordinates in eight grid formats.
B. To enter a user magnetic variation, select the
User Mag Var option and enter a direction
and value in the variation field.
SECTION
10
SETUP MENUS
Navigation Setup
