Garmin 3 Plus Manual
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Edit a waypoint’s position
by entering the new position
coordinates directly over the
old position.
From the Waypoint Edit Page, highlight the appropriate field to rename a
waypoint, change its symbol, edit the comment or edit the position.
To rename the waypoint:
1. Highlight the waypoint name field and press ENTER.
2. Use the rocker keypad to enter the new waypoint name and press ENTER.
3. If finished, highlight ‘Done’ and press ENTER.
To change the waypoint’s symbol:
1. Highlight the waypoint symbol field and press ENTER.
2. Use the rocker keypad to select the desired symbol and press ENTER. The selected
symbol will be used to denote the waypoint position on the map display.
3. If finished, highlight ‘Done’ and press ENTER.
When a waypoint is created, the time and date of creation is automatically added
as a waypoint comment. You can edit this information or create a entirely new
comment, as needed.
To edit the waypoint comment:
1. Highlight the waypoint comment field and press ENTER.
2. Use the rocker keypad to enter the desired comment and press ENTER.
3. If finished, highlight ‘Done’ and press ENTER.
To edit the waypoint position:
1. Highlight the waypoint coordinates field to change the position coordinates, or
highlight the reference waypoint name, bearing or distance fields to change the
reference waypoint information. Press ENTER to begin editing.
2. Use the rocker keypad to enter the new information. Press ENTER to accept the new
information.
3. When finished, highlight ‘Done’ and press ENTER.
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REFERENCE
Editing Waypoints
The default waypoint com-
ment is the time and date
the waypoint was created. You
can enter your own comment
using the rocker keypad.
‘Display Options’ lets you
determine what waypoint
information will appear on
the map display.
The Waypoint Edit Page also features an options page that allows you to delete
the waypoint, view the map area around the waypoint position, define how the
waypoint will appear on the map display or average the waypoint position to
improve accuracy.
To display the Waypoint Edit Options, press MENU (with the Waypoint
Edit Page displayed).
The following options are available:
Show Map— allows you to view the map area surrounding the selected
waypoint’s position. While viewing the map display, you can also use the IN
and OUT zoom keys to see additional detail.
Display Options— lets you designate how the selected waypoint will appear
on the map display. Options are provided to show Symbol & Name, Symbol &
Comment (Cmnt), or Symbol Only.
To change the display options for a waypoint:
1. Highlight ‘Display Options’ and press ENTER.
2. Highlight the desired option and press ENTER.
Average Position— allows you to average position samples over time to update
the waypoint’s position with a more accurate position reading. (See page 31 for
more information on averaging.)
Delete Waypoint— allows you to remove the selected waypoint from memory.
To delete a waypoint:
1. Highlight ‘Delete Waypoint’ and press ENTER. A confirmation screen is displayed.
2. ENTER to delete (or QUIT to cancel).
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REFERENCE
Waypoint Edit Options
‘Show Map’ allows you to
view the area around the
waypoint’s position.
The nearest locations pages are
organized as a series of “file
tabs”. Select the appropriate
tab to show as many as nine
nearby waypoints, 50 nearest
cities or 50 nearest highway
exits—along with the bearing
and distance to each.
Another waypoint feature of the GPS III+ is the nearest locations pages, which
show up to nine nearest waypoints and 50 nearest cities—within 200 miles of your
present position—along with 50 exits on the nearest (interstate) highway and 50
nearest geo (geographic) points. The nearest locations pages are organized by a series
of ‘file tabs’ (denoting categories for Waypoints, Cities, Exits and Geo Pnts) and display
the bearing (BRG) and distance (DST) to each nearby location for the selected tab
(category). The lists are continuously updated as you’re moving and provide quick
access to the closest points of safety in an emergency.
To view the nearest locations pages:
1. Press the MENU key twice to display the Main Menu.
2. Highlight ‘Nearest’ and press ENTER.
3. Highlight the appropriate tab (Waypoints, Cities, Exits or Geo Pnts) for the desired
nearest list.
4. Scroll through the list using the UP/DOWN portion of the rocker keypad.
To view additional information for a nearby location:
1. Scroll through the selected nearest list (as described above) and highlight the desired
location (Waypoint, City or Exit).
2. Press ENTER to display an info page for the selected location.
3. For waypoints, the information is displayed on the Waypoint Edit Page. You can edit the
waypoint’s location, name, symbol, etc. from this page, as outlined on pages 50-51.
4. For cities, the information includes state, country, size or reference, and position. You
can show the map area for the city, save it as a waypoint or switch between size and
reference information as described on pages 69-71.
5. For exits and geo points, all the additional pages and related options menus (described
on pages 35, 39-40 and 54) are available.
53
REFERENCE
Nearest Locations
To view the nearest locations
pages, select ‘Nearest’ from
the Main Menu.
To GOTO a nearby location:
1. Highlight the desired location on the selected nearest list. Press GOTO to display the
GOTO Page with the desired location selected.
2. Press ENTER to confirm the selected waypoint and begin navigating.
Nearest Location Options
The nearest locations pages also feature an options page that allows you to
define the category of items you want to appear on the Nearest Cities, Exits or Geo
Pnts Lists or restore the factory default settings after you’ve made any changes.
To display the nearest location options for Nearest Lists:
1. From the nearest locations pages, highlight the a tab and press MENU.
2. Highlight the desired option and press ENTER.
The following options are available:
Cities/Exits/Geo Pnts Setup— allows you to define the item categories you
wish to display on the Nearest Cities, Exits or Geo Pnts Lists.
To select the desired item categories:
1. Highlight ‘Cities, Exits or Geo Pnts Setup’ and press ENTER.
2. Highlight the field adjacent to the desired category and press ENTER to enable/
disable the category. A category is selected, and will appear on the Nearest List,
when an “X” appears in the field adjacent to that category.
Restore Defaults— resets all nearest settings to the factory defaults for the
current list only.
The Nearest Location Options
allows you to define the cat-
egory of exits which will
appear on the Nearest Exits
List. Start by highlighting the
‘Exits’ tab, then press MENU.
Select the exit categories you
wish to appear on the Nearest
Exits List. A category is
enabled when an “X” appears
in the box adjacent to the
desired category.
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REFERENCE
Nearest Location Options
The GPS III+ can navigate to a destination using any of four different methods:
GOTO— lets you select a waypoint as your destination and quickly plot a direct
course from present position to that waypoint.
MOB (man overboard)— captures your present position, saves it as a waypoint
and sets a course back to the position for quick response in an emergency.
TracBack— allows you to retrace your path using the track log automatically
stored in the receiver’s memory. This eliminates the need to store waypoints along
the way. (See page 58 for more information about TracBack.)
Routes— allows you to manually create a sequence of intermediate waypoints
which lead you to your final destination. The GPS III+ will store up to 20
reversible routes, with up to 30 waypoints in each route.
GOTO Navigation
The easiest way to select your destination is by using the GOTO key. The GOTO
key can be used by itself, after highlighting a waypoint name on a list, or after
designating a position on the map display.
To GOTO a waypoint:
1. Press GOTO. The GOTO Page shows a series of file tabs for ‘Recent’ waypoints, ‘All’
waypoints, ‘Nearest’ waypoints or ‘Spell n Find’.
2. To GOTO a recently used waypoint or a nearby waypoint, select the ‘Recent’ tab or the
‘Nearest’ tab, highlight the desired waypoint on the list and press ENTER.
3. To GOTO any waypoint stored in memory, select the ‘All’ tab, highlight the desired
waypoint and press ENTER.
4. To enter the name of the destination waypoint, highlight the waypoint name field and
press ENTER. (The ‘Spell n Find’ tab is automatically selected.) Use the rocker keypad
to enter the name of the desired waypoint—UP/DOWN to change each character and
RIGHT to move to the next character. Press ENTER to confirm the selection.
To GOTO a waypoint, press
GOTO and select the desired
tab. Highlight the waypoint
name field at the top of the
page to spell the name of the
desired destination waypoint.
Press ENTER and use the
rocker keypad to enter the
identifier of the destination
waypoint. Press ENTER again
to confirm the waypoint and
begin navigation.
55
REFERENCE
Navigation / GOTO
To designate a GOTO waypoint from a list of waypoints:
1. Highlight the desired waypoint on the list and press GOTO. A confirmation page shows
the selected destination waypoint.
2. Press ENTER to confirm the selected waypoint and begin navigating.
To GOTO an existing waypoint, city or highway exit on the map display:
1. Use the rocker keypad to place the arrow on the desired target location. If a city or exit
is selected, a waypoint will be created at that location using the city or exit name.
2. Press GOTO, followed by ENTER, to begin navigating.
To GOTO any position on the map display:
1. Use the rocker keypad to place the arrow on any position you wish to navigate to.
2. Press GOTO to create a waypoint, called ‘MAP’, at the arrow position. Each time you
perform this step it will overwrite any previously created ‘MAP’ waypoint.
3. Press ENTER to being navigating.
GOTO Options
GOTO Options are also provided to initiate a TracBack route or cancel the
current GOTO destination.
To display the GOTO Options, press MENU (immediately after pressing
GOTO).
The following options are available:
TracBack— allows you to retrace your path using the track log automatically
stored in the receiver’s memory. This eliminates the need to store waypoints
along the way. (See page 58 for more information about TracBack.)
By highlighting a waypoint
name on a list and pressing
GOTO, you won’t have to
manually enter the name of
your destination waypoint.
A GOTO can also be initiated
from the map display by plac-
ing the panning arrow on the
desired target waypoint, city
or highway exit.
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REFERENCE
GOTO / GOTO Options
Cancel GOTO— cancels the current GOTO destination and resumes navigation
of any previously selected route. If no route is currently in use; bearing, distance,
etc. will remain blank until a destination waypoint is defined.
To cancel the current GOTO destination, highlight ‘Cancel GOTO’ and
press ENTER.
MOB (man overboard)
The GPS III+’s MOB function lets you simultaneously mark and set a course to
a position for quick response in an emergency. Once an MOB has been activated, an
MOB symbol will appear on the map display and the navigation screens will guide
you back to the ‘MOB’ waypoint.
To activate the MOB function:
1. Press and hold GOTO to capture the MOB position.
2. Press ENTER to begin navigating back to the ‘MOB’ waypoint.
3. To cancel the MOB function, select ‘Cancel GOTO’ from the GOTO Options and
press ENTER.
NOTE: Each time an MOB is activated, any previous ‘MOB’ position stored in
memory will the overwritten and permanently lost. If you wish to save an ‘MOB’
waypoint for future use, you should give the waypoint a new name using the steps
outlined on pages 50-51.
To cancel a current GOTO
destination, select ‘Cancel
GOTO’ from the GOTO
Options.
Press and hold the GOTO key
to activate the MOB (man
overboard) feature.
57
REFERENCE
GOTO Options / MOB
H
The TracBack navigation feature allows you to retrace your path using the track
log automatically stored in the receiver’s memory. This eliminates the need to manually
store waypoints along the way. A track log is an electronic breadcrumb trail, showing
the path you have travelled. Your GPS III+ can be set to automatically record track log
points any time the receiver is on and locked onto satellites (see page 71).
TracBack routes are created by reducing your track log into a route of up to 30
waypoints and activating the new route in reverse order along those waypoints. Once
activated, a TracBack route will lead you back to the oldest track log point stored
in memory, so it’s a good idea to clear the active track log at the beginning of your
current trip (e.g., at the dock or trailhead), before you get started.
To clear the active track log and define a starting point for a TracBack:
1. Press MENU twice to display the Main Menu.
2. Highlight ‘Track Logs’ and press ENTER.
3. With the ‘Active Log’ highlighted press MENU to display the options list.
4. Highlight ‘Clear Active Log’ and press ENTER.
5. Press ENTER to delete the track log data. (Or press QUIT to cancel.)
To create and activate a TracBack route:
1. Enable track log recording and leave the GPS III+ on to automatically record track log
positions while under way. Refer to page 69 for more information on track log settings.
2. Press MENU twice to display the Main Menu.
3. Highlight ‘Track Logs’ and press ENTER.
4. Highlight the desired track log (‘Active Log’ or ‘Saved Logs’) and press MENU to
display the options list.
5. Highlight ‘TracBack’ and press ENTER to create/activate the TracBack route. (A
message box will appear while the GPS III+ analyzes the data and creates the route.)
Clear any old data from
the active track log before
you depart. This defines the
starting point for a TracBack
route.
A TracBack route can also be
created from the GOTO
Options by pressing GOTO,
followed by MENU and
selecting ‘TracBack’.
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TracBack
Once a TracBack has been activated, the GPS III+ will take the track log currently stored in memory and divide it into route segments, called ‘legs’. Up to 30 track log waypoints (labeled ‘T###’, e.g. ‘T001’) will be created to mark the most significant features of the track log in order to duplicate your path as closely as possible. To gain the most benefit from the TracBack feature, keep the following tips in mind: • Always clear the track log at the point you want to return to (boat ramp, dock, trailhead, etc.) • The ‘Record Mode’ on the Track Logs Page must be set to ‘Wrap’ or ‘Fill’. • There must be at least two track log points stored in memory to create a TracBack route. • If there is not enough available memory to add more waypoints and create a TracBack route, you will be alerted with a ‘waypoint memory full’ message. The receiver will use the available waypoints to create a route with an emphasis on the track log data closest to the destination. Also, existing TracBack waypoints (‘T###’) that are not contained in routes will be erased to free more memory. The GPS III+ will create new waypoints using the first available three-digit number. • If the Track Logs Page ‘Interval’ field is set to ‘Time’, the route may not follow your exact path. (Keep the ‘Interval’ field set to ‘Resolution’ for best results.) • If the receiver is turned off or satellite coverage is lost during your trip, TracBack will draw a straight line between any point where coverage was lost and where it resumed. • If there are frequent changes in direction and distance in your track log, 30 waypoints may not accurately depict your exact path. The receiver will then assign the 30 waypoints to the most significant points of your track log, and simplify segments with fewer changes in direction. A TracBack route contains a series of waypoints labeled ‘T###’ that approximate your previous route of travel. ‘Wrap’ will overwrite the old track log data in memory, once all memory has been used. ‘Fill’ will record data until memory is full, then stop. 59 REFERENCE TracBack Tips
Route navigation allows you to manually create a sequence of intermediate
waypoints which lead you to your final destination. The GPS III+ will store up to 20
reversible routes, with up to 30 waypoints in each route. Routes can be created and
modified by text entry (using the rocker keypad to enter waypoint names) or directly
from the map display. Using the map display allows you to see each route graphically
on-screen as you create, review, modify or navigate the route. All of the GPS III+’s
route functions are accessed through the Main Menu.
To create a new route by entering the name of each waypoint:
1. Press MENU twice to display the Main Menu.
2. Highlight ‘Routes’ and press ENTER. The Route List is displayed, showing all routes
stored in memory.
3. Press MENU to display the Route Options.
4. Highlight ‘New Route’ and press ENTER. The GPS III+ creates a route called ‘EMPTY-1’.
(The name changes as you add waypoints to the route, so make note of the route name
for future reference.)
5. Highlight the first waypoint name field and press ENTER to begin entering the name of
an existing waypoint in memory.
6. Use the rocker keypad to enter the name of the route waypoint.
7. Press ENTER to accept the selected route waypoint.
8. Highlight the next waypoint name field, press ENTER and repeat steps 6 & 7 until all
the waypoints have been added to the route.To display the Route List,
showing all routes stored in
memory, select ‘Routes’ from
the Main Menu.
To create a new route, select
‘New Route’ from the Route
Options and enter the identi-
fiers for the route waypoints
in the sequence you wish to
follow them.
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REFERENCE
Routes