Garmin GPSMAP 478 Owner's Manual - Page 36

Averaging the Waypoint's Location, Projecting a Waypoint, Average Location

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Marine Mode > Creating and Using Waypoints Averaging the Waypoint's Location Average Location makes the unit take several sample location measurements for the waypoint and recalculate for a more accurate location reading. Note: You must have a GPS satellite fix before you can average a waypoint's location. To calculate the average location: 1. Open the Waypoint Page, and press Menu. 2. Select Average Location, and press Enter. The Average Location window opens. The fields change as the unit calculates the average location of the waypoint. Projecting a Waypoint You can create a new waypoint by projecting the distance and bearing from a specific location to a new location. To create a new waypoint by projecting its location: 1. Create a waypoint. The new waypoint uses the next available waypoint number and the receiver's last known location as the default location. 2. Use the ROCKER to highlight Points from the vertical list of tabs and select a waypoint. Press ENTER. 3. Press Menu to open the New Waypoint Page options menu. 4. Highlight Project Location, and press Enter. Average Location Page 3. Press Enter to save the location. 28 Project Location Menu 5. To change the location from which you are projecting the new waypoint, highlight the From field, and press Enter. GPSMAP 378/478 Owner's Manual

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Averaging the Waypoint’s Location
Average Location
makes the unit take several sample location
measurements for the waypoint and recalculate for a more accurate
location reading.
NOTE:
You must have a GPS satellite fix before you can
average a waypoint’s location.
To calculate the average location:
1.
Open the Waypoint Page, and press
MENU
.
2.
Select
Average Location
, and press
ENTER
. The Average
Location window opens. The fields change as the unit
calculates the average location of the waypoint.
Average Location Page
3.
Press
ENTER
to save the location.
Projecting a Waypoint
You can create a new waypoint by projecting the distance and
bearing from a specific location to a new location.
To create a new waypoint by projecting its location:
1.
Create a waypoint. The new waypoint uses the next available
waypoint number and the receiver’s last known location as
the default location.
2.
Use the
ROCKER
to
highlight
Points
from the vertical list of
tabs and select a waypoint. Press
ENTER
.
3.
Press
MENU
to open the New Waypoint Page options menu.
4.
Highlight
Project Location
, and press
ENTER
.
Project Location Menu
5.
To change the location from which you are projecting the new
waypoint, highlight the
From
field, and press
ENTER
.
28
GPSMAP 378/478 Owner’s Manual
M
ARINE
M
ODE
>
C
REATING
AND
U
SING
W
AYPOINTS