Garmin 3 Plus Manual

							your  present  position)  also  appear  on  the  Position  Page  (as  default  selections).  Units  of 
measure and the position readout are selectable from the Main Menu, as outlined on page 
74-75. ‘Trip Computer’ functions—such as average speed, max speed, trip odometer and 
trip timer—can each be reset from the Main Menu, as described on page 74.
Many  features  of  the  GPS  III+  are  menu  driven.  Each  of  the  main  pages  has  an 
options menu, allowing you to custom tailor the corresponding page to your preferences 
and/or select special features which specifically relate to that page.
To display the Position Page Options, press MENU (with the Position Page 
displayed).
The following options are available:
Average  Position—  allows  you  to  average  position  samples  over  time  and  save  the 
       averaged  result  as  a  waypoint.  Averaging  reduces  the  effects  of  selective  availabili-
       ty on position error and results in a more accurate position reading.
To average position samples and save the result as a waypoint:
           1. Highlight ‘Average Position’ and press ENTER. The Average Position Page will appear. 
                Observe the ‘Estimated Accuracy’ and ‘Measurement Count’ fields.
           2. When the ‘Estimated Accuracy’ and/or ‘Measurement Count’ figures reach the desired 
                value(s), highlight ‘Save’ and press ENTER. (To cancel the averaging function, highlight
                ‘Discard’ and press ENTER.) 
           3. The New Waypoint Page appears with a three-digit number assigned as a name
                for the new waypoint. To save the waypoint with this name, highlight ‘Done’ and 
                press ENTER. Or,
           4. To change the waypoint name, highlight the waypoint name field and press ENTER. 
                Use the rocker keypad to enter a new name for this waypoint and press ENTER when
                finished. Highlight ‘Done’ and press ENTER to save the waypoint. 
The Position Page Options 
allow you to average position 
samples and save the result as 
a waypoint, change data fields 
or restore factory defaults.
When averaging positions to 
create a waypoint, observe 
the ‘Estimated Accuracy’ and 
‘Measurement Count’ figures. 
When they reach the desired 
value(s), highlight ‘Save’ and 
press ENTER.
31
REFERENCE  
Position Page Options  
						

							Change  Fields—  allows  you  to  choose  the  data  displayed  on  the  six  user-selec-
       table  data  fields.  Available  data  types  are:  Altitude,  Average  (Avg)  Speed,  Battery 
       (Bat)  Timer,  Max  Speed,  Odometer,  Speed,  Sunrise  (at  present  position),  Sunset 
       (at  present  position),  Track,  Trip  Odometer,  Trip  Timer,  User  Timer  and  Voltage. 
       See page 95 for descriptions of navigation terms.
To change a data field:
           1. Highlight ‘Change Fields’ and press ENTER.
           2. Highlight the data field you wish to change (using the rocker keypad) and press ENTER.
           3. Select the type of data you want to appear on this field and press ENTER.
Restore Defaults— resets all data fields to the factory default settings.
To restore the factory default settings, highlight ‘Restore Defaults’ and 
press ENTER.
‘Change Fields’ allows you to 
custom tailor the information 
that appears on the Position 
Page. Select the desired data 
type from the list.
‘Restore Defaults’ will over-
ride any data field changes 
you’ve made to the Position 
Page, reverting back to the 
factory default settings.
32
REFERENCE  
Position Page Options 
						

							The  GPS  III+  features  a  powerful  real-time  moving  map  that  can  do  much  more 
than  just  plot  your  course  and  route.  The  Map  Page  also  displays  background  detail, 
including  geographic  names,  lakes,  rivers,  coastlines  and  highways.  An  on-screen 
cursor  lets  you  pan  ahead  to  nearby  waypoints,  determine  the  distance  and  bearing 
to  any  map  position,  mark  new  waypoints  while  you  navigate  or  retrieve  exit 
information. The GPS III+ also features dedicated zoom keys for instant zooming (see 
pg.  2).  The  map  portion  of  the  page  displays  your  present  position  as  a  pointer 
icon,  with  your  track  and/or  route  displayed  as  small  points  on  the  screen  (an 
electronic  bread  crumb  trail,  if  you  will).  Nearby  waypoints  are  represented  with 
names  and  symbols.  You  may  select  which  features  are  shown  via  the  Map  Page 
Options (see pg. 36).
The data window beside (or above when display is vertical) the map displays the 
time and distance to next waypoint, plus your current speed (all defaults). A bearing 
pointer lets you know if you’re heading toward your destination. (If the pointer points 
straight  ahead,  you’re  heading  directly  to  it.)  Each  data  field  may  be  configured  to 
display any one of twenty-four data options.
Zooming and Panning
There  are  three  main  functions  you  can  perform  from  the  Map  Page:  zooming, 
panning, and pointing. The map has 24 map scales (from 120 feet to 500 miles, or 30 
meters  to  800  km)  which  are  selected  by  pressing  the  IN  and  OUT  zoom  keys.  The 
current map scale is indicated in the bottom left corner of the map display.
To change the map scale:
           1.  Press zoom IN to see a smaller area with more detail.
           2.  Press zoom OUT to see a larger area with less detail.
The Map Page displays a digi-
tal map, including lakes, riv-
ers, highways, highway exits 
and towns.
Zoom IN to see more detail 
for a smaller area. Zoom 
OUT to see a larger area.
33
REFERENCE  
Map Page 
						

							Another function on the Map Page is the pan function, which allows you to move 
the map with the keypad in order to view areas beyond the current map.
To activate the pan function:
           1.   Use the rocker keypad to move the map in any direction, including diagonally.
As  you  begin  to  pan  on  the  map,  an  arrow  appears.  This  arrow  will  serve  as  a 
target  marker  for  the  map.  When  the  arrow  is  placed  on  an  object,  the  name  of  that 
object will be highlighted. (If the name wasn’t originally displayed it will appear when 
the  arrow  is  placed  on  the  object.)  This  feature  applies  to  waypoints,  roads,  lakes, 
rivers—pretty much everything displayed except route lines and track log data.
When  a  waypoint  name  is  highlighted,  you  can  review  information  about  the 
waypoint, list waypoint options, or execute a GOTO right from the Map Page.
  To select an on-screen waypoint with the panning arrow:
           1.  Use the rocker keypad to highlight the desired waypoint.
           2.  Press ENTER to review information for the selected waypoint.
           3.  To exit the information page, press QUIT.
  To GOTO a highlighted waypoint:
           1.  With the waypoint highlighted, press GOTO, followed by ENTER.
The GOTO function can be used anywhere on the map. If a waypoint or highway 
exit  is  not  highlighted,  a  new  waypoint  (called  ‘MAP’)  will  be  created  at  the  arrow 
location before the GOTO is initiated.
  To cancel the pan function and re-center the map on your position:
           1.  Press the QUIT key.
Use the rocker keypad to pan 
away from your present posi-
tion. Place the arrow on a 
waypoint and press ENTER to 
see more information.
By placing the panning arrow 
over an on-screen waypoint 
and pressing GOTO, you 
won’t have to manually select 
your destination from the 
GOTO Page.
34
REFERENCE  
Map Page 
						

							Highway  exit  information  is  also  available  when  using  the  pan  function. 
Simply  place  the  panning  pointer  over  the  exit  location  to  retrieve  additional 
information—including  available  services—about  the  exit.  Exit  information  is 
generally limited to interstate highways and is categorized into two types:
  Common Exits— traditional ramp, cloverleaf or intersection exits.
  Special  Exits—  rest  areas,  service  areas,  toll  booths,  welcome  centers  and 
weigh stations.
Common exits are depicted with an open square icon when services are available 
and a filled-gray square icon when no services are available.
To display available services for an exit shown on the map page:
           1.   Use the rocker keypad to place the panning arrow on the desired exit. A window will 
appear showing the exit number, along with icons depicting the available services.
           2.  Press ENTER to display the Exit Info Page for the selected exit. The Exit Info Page 
shows the number of available services, and the bearing and distance to the exit 
location.
           3.  Highlight the “View” button at the bottom of the page and press ENTER to display 
the Services Near Exit List. The Services Near Exit List shows a service icon and the 
name for each available service.
           4.  Highlight the desired service and press ENTER to display an Exit Service Detail 
Page. This page provides a checklist of available services—such as fuels, parking, 
convenience stores, etc.
           5.  Press QUIT, as often as needed, to back out of each exit services page. If you 
continue to press QUIT, you will return to the Map Page.
For a selected highway exit, 
the Exit Info Page displays the 
number of available services 
and icons depicting the type of 
available services.
The Exit Services Detail Page 
provides a checklist of avail-
able services. Start from the 
Services Near Exit List and 
select the desired service to 
display this page.
35
REFERENCE  
Map Page: Exits 
						

							REFERENCE  
Map Page OptionsMany  GPS  III+  features  are  menu  driven.  Each  of  the  main  pages  has  an  options 
menu,  allowing  you  to  custom  tailor  the  corresponding  page  to  your  preferences 
and/or select special features which specifically relate to that page.
To display the Map Page Options, press MENU (with the Map Page 
displayed).
The following options are available:
Data Fields On/Off— allows you to toggle between a full-screen map display or the 
       default  map  display  with  data  window.  If  the  data  fields  are  off,  ‘Data  Fields  On’ 
       will appear as an option instead and vice-versa.
To turn the data fields off (or on), highlight ‘Data Fields Off ’ (or ‘Data 
Fields On’) and press ENTER.
Change Fields— allows you to choose the data displayed on four user-selectable 
       data  fields.  There  are  twenty-four  available  data  types,  including  Average  (AVG) 
       Speed, Bearing, Distance, ETA to Destination (DEST), Speed, Time to Destination 
       (DEST),  Track  and  a  Trip  Odometer.  See  page  95  for  descriptions  of  navigation 
       terms.
To change a data field:
           1. Highlight ‘Change Fields’ and press ENTER.
           2. Highlight the data field you wish to change and press ENTER.
           3. Select the type of data you want to appear on this field and press ENTER.
A full-screen map, without the 
data fields, is available by 
selecting the ‘Data Fields Off’ 
option.
The ‘Change Fields’ option 
allows you to select the desired 
data you wish to display in 
the four user-selectable fields 
(along the right-hand side of 
the map page).
36 
						

							37
REFERENCE  
Map Page Options
MapSource  Info—  shows  the  number  of  maps  downloaded  from  the  optional 
MapSource  software  package  and  the  amount  of  memory  used  (in  kilobytes). 
MapSource  allows  you  to  supplement  the  built-in  map  with  up  to  1.44  MB  of 
additional  detail,  including  residential  streets  and  topographic  information.  Each 
downloaded  map  is  described  by  name,  and  may  be  deselected  if  you  wish  to 
retain  the  map  in  memory,  but  not  display  the  data  on  the  Map  Page.  (When  a 
MapSource  file  is  selected,  the  boundary  for  any  downloaded  map  is  shown  on 
the Map Page as a gray shaded outline.)
To display the MapSource Info Page:
1.  Highlight ‘MapSource Info’ and press ENTER.
2.  Use the rocker keypad to scroll through the list of downloaded maps.
3.   To select/deselect a map, highlight the box to the immediate left of the desired map. 
Press ENTER to select/deselect the map. The map is selected and will be displayed on 
the Map Page when an “X” appears in the box adjacent to that map.
4.  To Enable/Disable All maps, press MENU from the MapSource Info Page, select the 
desired setting, and press ENTER.
Measure  Dist—  allows  you  to  measure  the  bearing  and  distance  between  any 
       two points on the map display.
To measure bearing and distance between two points:
1.  Highlight ‘Measure Dist’ and press ENTER. An on-screen pointer will appear on the 
map display at your present position.
2.  Move the cursor to the desired reference point (the point you want to measure from)
and press ENTER.
3.  Move the cursor to the point you want to measure to. The bearing and distance from
the reference point will be displayed at the top of the page.When using the ‘Measure 
Dist’ option, the arrow 
includes an ‘Enter Reference’ 
prompt and the arrow position 
appears at the top of the map 
display.
The MapSource Info page lists 
any detailed maps that have 
been downloaded from the 
optional MapSource software 
package. 
						

							REFERENCE  
Map Page Options
The 'Nearest to Pntr' option 
will only be available when the 
pointer is moved on the screen.
The exit with the arrow to the 
left of the number is the next 
exit ahead, given your direction 
of travel. Exits which appear 
above in the list are the closest 
the opposite direction.
Nearest to Pntr (Pointer)— allows you to view the bearing and distance of the 
       nine nearest waypoints, 50 nearest cities, 50 exits on the nearest (interstate) 
       highway and 50 geo (geographical) points nearest to the map pointer. The 
       nearest locations pages are organized by a series of ‘file tabs’ (denoting categories 
       for Waypoints, Cities, Exits and Geo Points) 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 points nearest the map pointer:
           1. Use the rocker keypad to move the cursor to the desired position on the Map Page.
           2. Press the MENU key, then highlight 'Nearest to Pntr' 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 item:
           1.  Scroll through the selected nearest list (as described above) and highlight the desired 
item (Waypoint, City, Exit or Geo Pnts).
           2.  Press ENTER to display the info page for the selected item.
           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 city size 
and reference information as described on pages 69-70.
38 
						

							REFERENCE  
Map Page Options
39
           5.  For exits, all the exit services information (described on page 35) is available. You 
can show the map area for the point or save it as a waypoint. 
           6. For geo points, the information includes geographic points, rivers/lakes, park 
                areas and airports. If you do not have optional MapSource data loaded, only airports 
                will be shown. You can show the map area for the point or save it as a waypoint.  
Options  menus  available  from  the  Cities,  Exits  and  Geo  Pnts  info  pages  allow 
you to select special features which specifically relate to that page. 
  Show  Map—  allows  you  to  return  to  the  map,  centered  on  the  selected  item. 
While  viewing  the  map  display,  you  can  also  use  the  IN  and  OUT  zoom 
keys to see additional detail.
To view the map area around an item on the City, Exit, or Geo Pnts  
 
 
 
 
 
 
Info Pages:
1.  Press MENU, then select ‘Show Map’ (from the Info Page Options) and press 
ENTER. Press QUIT to return to the previous screen.
  Save  As  Waypnt—  creates  a  waypoint  at  the  item  location  and  saves  it  in 
memory.  If  the  item  name  is  longer  than  six  characters,  it  will  be  abbreviated 
when creating the waypoint.
  To save an item as a waypoint from the City, Exit, or Geo Pnt Info 
Page:
1.   Press MENU, then select ‘Save As Waypnt’ and press ENTER.
2.   With ‘Done’ highlighted, press ENTER to save the new waypoint.
Show Reference (For cities only)— See page 70 for details.
Menu options for Geo Pnts.
Items with names longer 
than six characters will be 
abbreviated when saved as a 
waypoint or activated as an 
active GOTO. 
						

							REFERENCE  
Map Page Options
40Pressing MENU from the 
Services Near Exit page dis-
plays options for the Services 
Near Exit List. See page 54 
for details.
Options  menus  are  also  available  for  the  Cities,  Exits  and  Geo  Pnts  lists  which 
allow  you  to  select  special  features  which  specifically  relate  to  that  page.  These 
options  include  a  setup  feature  to  exclude  those  item  categories  you  don’t  wish  to 
view  and  a  setting  to  restore  defaults.  To  view  these  options  press  MENU  from  the 
nearest Cities, Exits or Geo Pnts lists.
Cities/Exits/Geo  Pnts  Setup—  allows  you  to  designate  which  item  categories 
       you  wish  to  display  on  the  City,  Exit  services  or  Geo  Pnts  list  pages.  See  page 
       54 for setup instructions.
Restore  Defaults—  resets  all  options  to  the  factory  default  settings  for  the 
       current list only.
To restore the factory default settings, highlight ‘Restore Defaults’ (from 
any list option window) and press ENTER.
Geo Pnts setup allows you 
to choose what category items 
are to be displayed.