CDI Scale Settings
The course deviation indicator (CDI) scale defini-
tion field lets you select the +/- range of the CDI bar
scale on the Highway Page. Three scales are available:
+/- 0.25, 1.25 and 5.0 miles or kilometers, with 0.25
being the default setting.
To enter a CDI scale setting:
1. Highlight the ‘CDI SCALE’ field and press
F
.
2. Use the
U
and
D
keys to select the desired set-
ting.
3. Press the
F
key to confirm the selection.
Units of Measure
The GPS 120XL lets you select nautical (default),
statute or metric units of measure for all speed and dis-
tance fields.
To change the unit of measure:
1. Highlight the ‘units’ field and press the
F
key.
2. Use
U
and
D
to select the desired unit of
measure.
3. Press the
F
key to confirm the selection.
Speed Filter
49
Adjusting the CDI Scale will
determine the value used in
the Highway Page and for
the range rings on the Map
Page (if displayed).
REFERENCE
Units of
Measure &
Speed Filter
Choose a navigation unit
you are familiar with or
that may be appropriate to
the situation in which the
GPS 120XL is used.
120XL Man RevB 7/10/98 10:55 AM Page 49
