Garmin GPS 2 Manual

85APPENDIX CPHYSICAL
Case:Ruggedized, gasket sealed
Size:6.15”H x 2”W x 1.23”D (15.6 x 5.1 x 1.23 cm)
Weight:Approx 9 ounces (255g) w/ batteries
Temperature Range:5 to 158ºF (-15º to 70ºC)
Memory Back Up:Internal Lithium BatteryPERFORMANCE
Receiver:Differential-ready MultiTrac8™ 
Acquisition Time:Approx. 20 seconds (warm start)
Approx. 2 minutes (cold start)
Approx. 15 minutes (AutoLocate)
Update Rate:1/second, continuous
Specifications
The GPS II is constructed of high quality materials and should not...

86APPENDIX CSpecifications (cont.)
Position Accuracy:5-10 meters (16-33 ft.) with DGPS 
corrections*
15 meters (49 ft.) RMS**
Velocity Accuracy:***0.1 knot RMSsteady state
(90 knots/103 mph max.)
Dynamics:Performs to specification to 3g’s
Interfaces:NMEA 183, and RS-232 DGPS 
correction
Antenna:Detachable with standard BNC 
connectorPOWER
Input:Four 1.5 volt AA batteries or 10-36VDC
Current Consumption:0.16 amps max.
Battery Life:Up to 15 hours (normal
mode/with alkaline bat-
teries, up to 20 hours in...

87APPENDIX CSpecifications and Wiring (cont.)
Three optional cables are available to connect the
GPSII to an external power source or interface with
another unit or PC:
•Cigarette Lighter Adapter— 
Allows connection to a 12- volt DC cigarette
lighter plug.
•Data Cross-Load Cable— 
Allows data transfer between other GARMIN
GPS units.
•PC Kit Data Cable— 
PC interface cable with 9-pin ‘D’ serial data
connector.GPS II  7/23/98 4:05 PM  Page 87 

88APPENDIX CSpecifications and Wiring (cont.)
The NMEA 0183 version 2.0 interface format is
supported by the GPS II, and enables the unit to drive
three NMEA devices:
NMEA 0183 version 2.0
Approved sentences:
GPGGA, GPGLL, GPGSA, GPGSV, GPRMB,
GPRMC, GPRTE, GPWPL, GPBOD
Proprietary sentences:
PGRME(estimated error), PGRMM (map
datum),
PGRMZ (altitude), PSLIB (beacon receiver con-
trol)DGPScorrections are accepted on RTCM-104
v. 2.0 format. The GARMINGBR 21 is the rec-
ommended beacon receiver for use...

89APPENDIX DExternal Antenna
The GPS II’s antenna may be removed to allow attachment of an optional remote-mount GPS anten-
na, such as the GARMIN GA 26.
To remove the attached antenna:
1. Rotate the antenna toward the rear of the unit as
shown. 
Note: The antenna can only be removed or installed 
in this position.
2. Pull the antenna gently away from the unit.
3. To install the optional external antenna, mate the 
BNC connector notches with the mounting posts 
and turn the knurled knob one-quarter turn...

90APPENDIX EMessages
The GPS II uses a flashing on-screen message  indicator to alert you to important information. Whenever the
message indicator appears, press PAGE to view the message page. There are two types of messages: temporary
alerts and condition alerts. Temporary alerts are cleared from the message page after viewing, while condition
alerts remain until the condition has been resolved. Pay careful attention to all messages for your own safety.
Active WPT Can’t be Deleted—You have attempted to...

91APPENDIX EMessages (cont.)
Receiver has Failed—A failure in receiver hardware has been detected.
If this message persists, do not use the unit and take it to an authorized
dealer for repair.
Route is Full—You have attempted to add more than 30 way-
points to a route.
Route is not Empty—You have attempted to copy into a route
already in use.
Route Waypoint Can’t be Deleted—The waypoint you are
trying to delete is part of a route. Delete the waypoint from the
route before removing it from memory.
Route...

92APPENDIX FAdindanAdindan- Ethiopia, Mali, Senegal,
Sudan
AfgooyeAfgooye- Somalia
AINELABD ‘70AIN ELANBD 1970- Bahrain Island,
Saudi Arabia
Anna 1 Ast ‘65Anna 1 Astro ‘65- Cocos Isl.
ARC 1950ARC 1950- Botswana, Lesotho,
Malawi, Swaziland, Zaire, Zambia,
Zimbabwe
ARC 1960ARC 1960- Kenya, Tanzania
Ascnsn Isld ‘58Ascension Island ‘58- Ascension Island
Astro B4 SorolAstro B4 Sorol Atoll- Tern Island
Astro Bcn “E”Astro Beacon “E”- Iwo Jima 
Astro Dos 71/4Astro Dos 71/4- St. Helena 
Astr Stn ‘52Astronomic Stn...

93APPENDIX FMap Datums (cont.)
Corrego AlegrCorrego Algre-Brazil
DjakartaDjakarta (Batavia)- Sumatra Island
(Indonesia)
Dos 1968Dos 1968- Gizo Island 
(New Georgia Islands)
Easter Isld 67Easter Island 1967
European 1950European 1950- Austria, Belgium,
Denmark, Finland, France, Germany,
Gibraltar, Greece, Italy, Luxembourg,
Netherlands, Norway, Portugal, Spain,
Sweden, Switzerland
European 1979European 1979- Austria, Finland,
Netherlands, Norway, Spain, Sweden,
Switzerland
Finland HayfrdFinland Hayford-...

94APPENDIX FMap Datums (cont.)
Mahe 1971Mahe 1971- Mahe Island
Marco AstroMarco Astro- Salvage Island 
MassawaMassawa- Eritrea (Ethiopia)
MerchichMerchich- Morocco
Midway Ast ‘61Midway Astro ‘61- Midway 
MinnaMinna- Nigeria
NAD27 AlaskaNorth American 1927- Alaska
NAD27 BahamasNorth American 1927- 
Bahamas (excluding San Salvador Island)
NAD27 CanadaNorth American 1927- Canada and Newfoundland
NAD27 Canal ZoneNorth Am. 1927- Canal Zone
NAD27 CaribbnNorth American 1927- Caribbean (Barbados,
Caicos Islands,...