A
B
Navigation Setup
The navigation setup submenu is used to select a variety of navigation informa-
tion including: position format, units of measure, 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)
• hdddºmm’ss.s” (deg/min/sec)
• British grid
• German grid
• Irish grid
• Maidenhead
• Swedish grid
• Swiss grid
• Taiwan grid
• UTM/UPS grid
•
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 G-chart offshore chart
cartridges. Depth contours can be displayed in feet, meters or fathoms. (The default
setting is feet.)
•
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 the ‘Heading’ field and press
T
. Select the ‘User Mag Var’
option and press
T
.
2. Press
T
to access the variation field, and use the
R
keypad to
enter the desired variation. Press
T
to confirm.
•
CDI Scale
provides a list of six CDI scale settings for the map page CDI: +/-0.10,
0.50, 1.0 (default). 5.0, 10.0 and 25.0 miles or kilometers. The scale represents the
distance from the center of the scale to either end of the scale.
60
A.
The GPSMAP 130 will also display position coor-
dinates 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
9
SETUP MENUS
Navigation Setup
gps 130 7/23/98 9:22 AM Page 60
