Garmin GPS 38 User Manual download pdf (Page 52)

Units of Measure

The GPS 38 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

key.

2. Select the desired unit of measure.

3. Press the

key to confirm the selection.

Magnetic Heading Reference

The GPS 38’s heading information can be displayed ref-

erencing magnetic north (auto or user-defined), true north

or calculated grid headings. The default setting is automatic

magnetic north, which is suitable for most applications.

To select a heading reference:

1. Highlight the ‘HEADING’ field and press

2. Select the desired heading preference.

3. Press the

key to confirm the selection.

To enter a custom magnetic heading:

. 1. Select the ‘USER MAG’ option and press

2. Enter the degrees and direction of magnetic

variation.

3. Press the

key to confirm the magnetic

variation value.

Map Setup and Orientation

The map setup page lets you select map orientation and

specify what items are displayed. The map may be oriented

to north up, the direction of current travel (track up) or the

direction of an active route leg (desired track up). The

default setting is track up.

To change the map orientation:

1. Highlight the ‘ORIENTATION’ field and press

2. Select the desired setting and press

Magnetic Heading

To enter a user- d e f i n e d

magnetic variation, select

the ‘User Mag’ option and

enter the desired direction

and value.

Map Setup Page

The map orientation can be

set to track up, north up, or

desired track up. The plot-

ted items options let you

define what appears on the

map display.

R E F E R E N C E

Navigation

Setup

GPS 38 Man Rev B 7/23/98 4:34 PM Page 48

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Garmin GPS 38 User Manual Page 52

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