Calculating The Size Of An Area - Garmin GPS 73 Owner's Manual

Calculator: Displays a calculator.
Calendar: Displays a calendar.
Geocaches: Displays data about saved geocaches.
Highway: Displays highway speed, heading, distance to next
waypoint, and direction to course.
Hunt and Fish: Displays the predicted best dates and times for
hunting and fishing at your current location.
Man Overboard: Sets and allows you to navigate to a man
overboard waypoint.
Proximity Wpts: Sets and displays data about particular
locations within a specified range.
Satellite: Sets the satellite view to of the screen to north up or
current track up.
Stopwatch: Allows you to use a timer, mark a lap, and time
laps.
Sun and Moon: Displays sunrise and sunset times, along with
the moon phase, based on your GPS position.
Waypoint Avg.: Allows you to refine a waypoint location for
more accuracy.

Calculating the Size of an Area

1 Select Area Calculation > Start.
2
Walk around the perimeter of the area you want to calculate.
3 Select Calculate when finished.
Geocaches
A geocache is like a hidden treasure. Geocaching is when you
hunt for hidden treasures using GPS coordinates posted online
by those hiding the geocache.
Downloading Geocaches
1 Connect the device to your computer using a USB cable.
2
Go to www.garmin.com/geocache.
3 If necessary, create an account.
4
Sign in.
5 Follow the on-screen instructions to find and download
geocaches to your device.
Navigating to a Geocache
1
Select More Functions > Geocaches.
2
Select a geocache.
3
Select Go.
Customizing Your Device
Customizing the Data Fields
You can customize the data fields displayed on each main page.
1
Open the page for which you will change the data fields.
2
Select MENU.
3
Select Change Data Fields.
4
Select the new data field.
5
Follow the on-screen instructions.
System Settings
Select Setup > System > GPS Setting.
Speed Filter: Allows you to select the preferred source for GPS
data.
Satellite System: Turns on or off use of GLONASS Russian
satellite system data. When the system is used in situations
with poor sky visibility, GLONASS data can be used with
GPS data to provide more accurate position information.
WAAS/EGNOS: Turns on or off use of WAAS (in North America)
or EGNOS (in Europe) satellite system data, which can
6
provide more-accurate GPS position information. When using
WAAS or EGNOS, the device may take longer to acquire
satellites.
Serial Interface Settings
Select Setup > System > Interface.
Garmin Serial: Enables the device to use a Garmin
format to exchange waypoint, route, and track data with a
computer.
NMEA In/Out: Enables the device to use standard NMEA 0183
output and input.
Display Settings
Select Setup > Display.
Backlight Timeout: Adjusts the length of time before the
backlight turns off.
Adjust Contrast: Adjusts the contrast level.
Main, Setup, Find Style: Sets the appearance of the main
menu.
Setting the Device Tones
You can customize tones for messages, keys, turn warnings,
and alarms.
1
Select Setup > Tones.
2
Select a tone for each audible type.
Setting Up Marine Alarms
1
Select Setup > Marine Alarm.
2
Select an alarm type.
3
Enter the setting.
4
Select Done.
Marine Settings
Select Setup > Marine Alarm.
Anchor Drag: Sets an alarm to sound when you exceed a
specified drift distance while anchored.
Off Course Alarm: Sets an alarm to sound when you are off
course by a specified distance.
Deep Water: Sets an alarm to sound when the depth is greater
than the specified value.
Shallow Water: Sets an alarm to sound when the depth is less
than the specified value.
Resetting Data
You can reset trip data, delete all waypoints, clear the current
track, or restore default values.
1
Select Setup > Reset.
2
Select an item to reset.
Changing the Page Sequence
1
Select Setup > Page Sequence.
2
Select a page.
3
Select Move.
4
Move the page up or down in the list.
5
Select SELECT.
Adding a Page
1
From the main menu, select Setup > Page Sequence.
2
Select Add Page.
3
Select a page to add.
Removing a Page from the Page Sequence
1
Select Setup > Page Sequence.
proprietary
®
Customizing Your Device