Lowrance electronic AirMap 500 - Manual (Page 99)

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Trail menu.
The name, maximum number of points in the trail, activity, and visi-
bility are all changed on this screen. The Active setting determines
whether or not AirMap is recording new points for a particular trail.
Press
↓ or ↑ to highlight the section you wish to change, then press
ENT . Press EXIT to erase this menu.
Units of Measure
This menu (shown below) sets the speed and distance (statute, nautical
miles, meters), depth (feet, fathoms, or meters), temperature (degrees
Fahrenheit or Celsius) and heading (true or magnetic) units. To change
the units, you first press
MENU | MENU |
↓ to
S
YSTEM
S
ETUP
| ENT | ENT .
System Setup menu, left, Units of Measure Menu, right.
To set Speed/Distance Unit of Measure: Press ENT . Press
↑ or ↓ to
change the Speed/Distance, then press ENT . After the option is set,
press EXIT | EXIT to return to the page display.
To set Heading: Press
↓ to
H
EADING
| ENT . Press
↑ or ↓ to change the
heading, then press ENT . After the option is set, press EXIT | EXIT to re-
turn to the page display.