Garmin Personal Navigator GPS 40 Owner's Manual & Reference page 47

The course deviation indicator (CDI) scale defi-
nition field lets you select the +/- range of the CDI
bar scale. 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
U
2. Use the and
CDI scale setting.
E
3. Press the
The GPS 40 lets you select statute (default),
nautical or metric units of measure for all speed
and distance fields. To change the unit of measure:
1. Highlight the 'units' field and press the
U
2. Use the and
unit of measure.
E
3. Press the
The GPS 40' s heading information can be dis-
played referencing magnetic north (automatic or
user-defined), true north or calculated grid head-
ings. The default setting is automatic magnetic
north, which is suitable for most applications. To
select a reference:
1. Highlight the heading field and press
U
2. Use the and
heading preference.
E
3. Press the
To enter a magnetic heading:
. 1. Select the 'user mag' heading and press
U
2. Use the and
and direction of magnetic variation.
E
3. Press the
variation value.
D
keys to select the desired
key to confirm the selection.
D
keys to select the desired
key to confirm the selection.
E
D
keys to select the desired
key to confirm the selection.
D
keys to enter the degrees
key to confirm the magnetic
E
.
E
key.
.
E
.
Reference
CDI, Speed &
Heading Setup
41