Reference – Garmin GPS 40 User Manual
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
E
.
2. Use the
U
and
D
keys to select the desired
CDI scale setting.
3. Press the
E
key to confirm the selection.
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
E
key.
2. Use the
U
and
D
keys to select the desired
unit of measure.
3. Press the
E
key to confirm the selection.
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
E
.
2. Use the
U
and
D
keys to select the desired
heading preference.
3. Press the
E
key to confirm the selection.
To enter a magnetic heading:
.
1. Select the ‘user mag’ heading and press
E
.
2. Use the
U
and
D
keys to enter the degrees
and direction of magnetic variation.
3. Press the
E
key to confirm the magnetic
variation value.
41
Reference
CDI, Speed &
Heading Setup
40 rev B 8/6/98 1:47 PM Page 41