Garmin GPS III Plus Features Addendum

OOtthheerr NNeeww MMaapp FFeeaattuurreess
Additional new map features include an accuracy circle, automatic
controls of map detail to optimize decluttering and controls to
enable/disable street labels.
TToo eennaabbllee aaccccuurraaccyy cciirrccllee oorr sseett tthhee ddeessiirreedd mmaapp ddeettaaiill lleevveell::
1. With the Map Page displayed, press MENU to display the Map
Page Options. Then, use the ROCKER KEYPAD to highlight
Map Setup and press ENTER
2. Use the ROCKER KEYPAD to highlight the Map file tab.
3. To enable/disable the accuracy circle: Use the ROCKER KEY-
PAD to select the field adjacent to Acc.
Circle and press ENTER. A window will
appear allowing you to turn the accuracy
circle on or off. Select the desired setting
and press ENTER. With the accuracy
circle on, a gray circle will appear around
your position (at lower scale settings) depicting the estimated
accuracy of your position reading.
4. To set the desired map detail level: Use the ROCKER KEYPAD
to select the field adjacent to Detail and
press ENTER. A window will appear
allowing you to select higher or lower
detail levels for any map feature set to
Auto. (Those features for which you
specified a maximum scale, or turned
Off, are unaffected by the detail setting.) Select the desired
detail level and press ENTER.
TToo eennaabbllee//ddiissaabbllee ssttrreeeett llaabbeellss::
1. Follow step #1 above, then highlight the Line file tab.
2. Select the field adjacent to Street Labels and press ENTER. A
window will appear allowing you to disable street labels entirely
or select the maximum scale at which you want the feature to
appear.
3. Select the desired setting and press ENTER.
OOvveerrvviieeww
Based on the very popular GPS III, your new GPS III Plus is packed
with additional features and a few new operating characteristics.
Theyre all described in this handy Plus Features Addendum.
However, if youd like to receive a completely new GPS III Plus
owners manual free of charge, simply complete and return the
order form below. You may also contact us toll free at 1-800-800-
1020, or visit our website: www.garmin.com . Among the many new
features weve added are:
EExxtteennddeedd BBaatttteerryy LLiiffee 
The GPS III Plus will operate up to 36
hours using the new Power Saver mode!
BBaacckklliigghhttiinngg//CCoonnttrraasstt 
Controls for display contrast and back-
lighting are easier to access.
MMaappSSoouurrccee IInnffoo 
MapSource (available separately) is a new
GARMIN product that allows you to download additional maps
from the GARMIN MapSource CD to your GPS III Plus. If youre
planning a trip, now you can have detailed street maps right on
your GPS receivers map display. The MapSource Info Page shows
you which maps you currently have loaded and the amount of
memory used.
CCiittiieess aanndd TToowwnnss 
New classifications for smaller towns and
additional access to the built-in database of city/town locations.
EExxiittss 
U.S. Interstate road exits are built-ineverything from
rest areas and toll booths to plain, old common exits.
NNeeww MMaapp FFeeaattuurreess 
More control over map detail and street
labels. Plus, an accuracy circle which depicts your current posi-
tion accuracy right on the map.
Mail To: GARMIN International, Inc., ATTN: Order Desk, 1200 East 151st Street, Olathe, KS 66062
]
PPlleeaassee sseenndd mmee aa FFRREEEE GGPPSS IIIIII PPlluuss OOwwnneerrss MMaannuuaall
Name: _____________________ GPS III Plus Serial #:_______
_
Address: ____________________________________________ _
___________________________________________________ _
Phone: ___________________ Date of Purchase: ___________ _
BBaatttteerryy LLiiffee
GPS III Plus battery life is improved in two ways: In normal opera-
tion, your batteries will now last up to 18 hours. A Power Saver
option has also been added to extend battery life up to 36 hours.
TToo eennaabbllee//ddiissaabbllee PPoowweerr SSaavveerr mmooddee::
1. Press MENU twice to display the Main Menu.
2. Use the ROCKER KEYPAD to highlight Setup and press
ENTER.
3. Use the ROCKER KEYPAD to select
the System tab.
4. Highlight the Power Saver field and
press ENTER to display an options win-
dow.
5. Select On or Off and press ENTER.
BBaacckklliigghhttiinngg//CCoonnttrraasstt
Backlighting and contrast adjustments are now accessible from any
page by pressing the RED POWER KEY.
TToo aaddjjuusstt ssccrreeeenn bbaacckklliigghhttiinngg oorr ccoonnttrraasstt::
1. With the unit already on and operating, press the RED
POWER KEY momentarily. A window will appear showing the
current settings.
2. Press the LEFT or RIGHT side of the
ROCKER KEYPAD to adjust the con-
trast level.
3. Press the UP or DOWN side of the
ROCKER KEYPAD to adjust the back-
lighting level.
4. Press ENTER to save the new setting(s).
Plus
Features
Addendum
January 1999 190-00162-02 Rev. A

Garmin GPS III Plus Specifications

General

Audible alarm(s)	No
Routes quantity	20
Number of waypoints	500
Battery life (max)	36 h
Display resolution	100 x 160 pixels
Display size (HxV) (imperial)	2.2 x 1.5 \
Interface	NMEA 0183 & RTCM 104 DGPS corrections
Antenna type	Detachable, Standard BNC connector
GPS receiver	12 channel
Number of tracklog points	1536
GPS accuracy - position	15 m
GPS accuracy - velocity	0.1 m/s
Marine (chartplotters, sounders)	Yes

Weight and Dimensions

Depth	127 mm
Width	41 mm
Height	59 mm
Weight	255 g