SM
COMMUNICATION & NAVIGATION
GPS100
AVIATION KIT
INSTALLATION MANUAL
GARMIN INTERNATIONAL, INC.
9875 WIDMER ROAD
PART NUMBER: 190-00004-00
REVISION G, 15 October 1992
LENEXA, KANSAS 66215
Av. Kit Install. Manual
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GPS 100 AVIATION KIT INSTALLATION MANUAL
TABLE OF CONTENTS
SECTION 1
GENERAL DESCRIPTION
1.1
INTRODUCTION
1.2
TECHNICAL CHARACTERISTICS
PHYSICAL CHARACTERISTICS
OPERATIONAL CHARACTERISTICS
INTERFACES
1.2.1
1.2.2
1.2.3
SECTION 2
INSTALLATION CONSIDERATIONS
2.1
ANTENNA CONSIDERATIONS
SATELLITE VISIBILITY
NOISE SOURCES
ELECTRICAL BONDING
ANTENNA LIMITATIONS
RACK CONSIDERATIONS
ACCESSIBILITY
2.1.1
2.1.2
2.1.3
2.1.4
2.2
2.2.1
2.3
2.4
CABLING AND WIRING
ANNUNCIATORS
SECTION 3
INSTALLATION PROCEDURE
3.1
3.2
3.3
3.4
3.5
3.6
3.7
INSTALLATION KIT CONTENTS
ANTENNA INSTALLATION
CABLE INSTALLATION
RACK INSTALLATION
AVIATION INTERFACE SET-UP
GPS 100 INSTALLATION
PLACARD
SECTION 4
CHECKOUT PROCEDURE
APPENDIX A
INSTALLATION DETAILS FOR BEECH B60
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LIST OF ILLUSTRATIONS
FIGURE
1-1
1-2
2-1
2-2
3-1
3-1A
3-2
3-3
3-4
AVIATION RACK PINOUT DEFINITION
INTERCONNECT SCHEMATIC
ANTENNA INSTALLATION CONSIDERATIONS
GPS INSTALLATION CONSIDERATIONS
BLADE ANTENNA INSTALLATION
LOW PROFILE ANTENNA INSTALLATION
COAX CABLE INSTALLATION FIGURE
AVIATION RACK DIMENSIONS
AVIATION RACK INSTALLATION
A-1
A-2
A-3
A-4
A-5
BLOCK DIAGRAM
FUSELAGE STATIONS
PANEL LAYOUT
WIRING DIAGRAM
BREAKER LOCATIONS
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SECTION 1 GENERAL DESCRIPTION
1.1 INTRODUCTION
This manual describes the physical, mechanical, and electrical characteristics and
the installation requirements for the GPS 100 Aviation Kit.
After installation of the GPS 100 system, FAA Form 337 must be completed by an
appropriately certificated agency to return the aircraft to service.
NOTE: TheGPS100musthavesoftwareversion2.09orlatertointerfaceproperlywith
the aviation rack. If the GPS 100 being installed has an earlier software version,
contact your nearest GARMIN service center to obtain a software update.
1.2 TECHNICAL CHARACTERISTICS
TheGPS100offerstheversatilityoffixedinstallationinapanelmountedaviationrack
as well as complete portability.
1.2.1 Physical Characteristics
Width:
Height:
Depth:
GPS 100 Weight:
Blade Antenna Weight:
Low Profile Antenna Weight:
Aviation Rack Weight:
Max Air Speed:
6.25 Inches
2 inches
3.95 inches
28 oz.
8 oz.
4 oz.
11 oz.
Subsonic
(Structural rating for antenna)
1.2.2 Operational Characteristics
Temperature Range:
Humidity:
Altitude Range:
Power Input:
-15 oC to +70oC
95% non-condensing
-1,500 to 50,000 ft.
11 to 33 VDC at 500mA MAX
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1.2.3 Interfaces
The aviation rack contains an electronic module which provides interfaces to various
general aviation instruments. Figure 1-1 defines the function of each pin on the 15
pin DSUB connector located at the back of the rack. Figure 1-2 depicts the
interconnects between the rack and other instruments. The following interfaces are
provided.
CDI:
(Pins 1 and 4)
Capable of driving up to three 1000 ohm parallel
loads, +150 millivolts full scale deflection with a
maximum output of +300 millivolts.
To/From:
(Pins 2 and 5)
Capable of driving up to three 200 ohm parallel
loads, +82 millivolts full scale deflection.
Nav Flag:
(Pins 3 and 6)
Capable of driving up to three 1000 ohm parallel
loads, 375 millivolts for flag out-of-view, and
+40 millivolts for flag in-view.
OBI data:
(Pins 7, 8, and 12)
Output providing bearing to waypoint data for a
Bendix/King RMI (KI 229 or equivalent).
Message annunciators: Output capable of driving negative or positive logic
(Pins 9 and 11):
annunciators.
Message audio:
(Pin 10)
Output capable of producing 10 milliwatts into 500
ohms at a frequency of 2 KHz.
RS232 data:
(Pin 13)
Output capable of driving ARGUS3000/5000/7000
and STORMSCOPE SERIES II with NAVAID moving
map displays and Shadin fuel management system.
Conforms to the EIA specification RS-232C.
SECTION 2 INSTALLATION CONSIDERATIONS
Careful planning and consideration of the suggestions in this section are required to
achieve the desired performance and reliability from the GPS 100.
2.1 ANTENNA CONSIDERATIONS
2.1.1
SATELLITE VISIBILITY
The GPS 100 Blade or Low Profile Antenna must be mounted on top of the aircraft in
the upright position. For best performance select a location with an unobstructed
view of the sky above the aircraft when in level flight. Figure 2-1 illustrates a typical
blade antenna installation. Recommended installation locations for the Low Profile
Antenna are the same.
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2.1.2
NOISE SOURCES
The antenna should be located at least 3 ft from transmitting antennas such as VHF
Comm, HF transmitter, DME, Transponder, and Radar. Cabling for the GPS 100
shouldnotberoutednearcomponentsorcablingwhicharesourcesofelectricalnoise.
2.1.3
ELECTRICAL BONDING
No special precautions need to be taken to provide a bonding path between the
antenna and the aircraft structure.
2.1.4
ANTENNA LIMITATIONS
The GPS 100 Blade and Low Profile Antennas are recommended for installations
where the airspeed of the aircraft will be subsonic. For aerodynamic considerations,
the Low Profile Antenna is recommended for operation above 200 kts.
2.2 RACK CONSIDERATIONS
2.2.1
ACCESSIBILITY
Plan a location which gives the pilot complete and comfortable access to the entire
keypad and which is plainly visible from the pilot’s perspective. Check that there is
adequate depth for the rack in the instrument panel. A location away from heating
vents or other sources of heat generation is optimal. Figure 2-2 illustrates a typical
aviation rack installation.
2.3 CABLING AND WIRING
Use only the antenna cable supplied in the installation kit. Other cabling may lead
to degraded performance. Check that there is ample space for the cabling and mating
connectors. Avoid sharp bends in cabling and routing near aircraft control cables.
2.4 ANNUNCIATORS
If the installation includes any electrical interface with other flight instruments, an
annunciator may be required. Refer to current FAA directives.
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SECTION 3 INSTALLATION PROCEDURE
3.1 INSTALLATION KIT CONTENTS
Oneofthefollowingtwoinstallationkitsisrequiredforaircraftinstallation,depending
on the type of antenna used.
The GPS 100 Aviation Installation Kit (010-10002-00) consists of the following parts:
P/N
DESCRIPTION
QTY
1
011-00013-00
011-00014-00
115-00015-00
117-00001-00
161-00024-00
190-00004-00
211-20001-00
253-00002-00
320-00003-00
330-00017-00
330-00024-00
BLADE ANTENNA SUBASSEMBLY
RACK SUBASSEMBLY
BACKING PLATE
EJECTOR PIN
PLACARD, INSTRUMENT PANEL
INSTALLATION MANUAL (THIS MANUAL) 1
#8-32 SS, PH, FLAT HEAD SCREW
ANTENNA GASKET
CABLE ASSY, COAX
CONNECTOR, BNC, MALE, CLAMP
CONNECTOR, 15 PIN DSUB, FEMALE
1
1
4
1
4
1
1
1
1
The GPS 100 Low Profile Aviation Installation Kit (010-10008-00) consists of the
following parts:
P/N
DESCRIPTION
QTY
011-00042-00
011-00014-00
115-00031-00
117-00001-00
161-00024-00
190-00004-00
210-10004-09
253-00002-00
320-00003-00
330-00017-00
330-00024-00
LOW PROFILE ANTENNA SUBASSEMBLY 1
RACK SUBASSEMBLY
BACKING PLATE
EJECTOR PIN
1
1
4
1
PLACARD, INSTRUMENT PANEL
INSTALLATION MANUAL (THIS MANUAL) 1
NUT, SELF-LOCKING, #8-32
ANTENNA GASKET
CABLE ASSY, COAX
CONNECTOR, BNC, MALE, CLAMP
CONNECTOR, 15 PIN DSUB, FEMALE
4
1
1
1
1
The following equipment is required for installation but is not included in the
installation kit:
#6-32 Flat Head Screw (4 ea.)
#6-32 Self-locking Nut (4 ea.)
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3.2 ANTENNA INSTALLATION
TheBladeAntennaoutlineandfootprintdimensionsareshowninFigure3-1. TheLow
Profile Antenna outline and footprint dimensions are shown in Figure 3-1A. Both
antennas require the same Installation procedure.
A. Using the backing plate as a template, mark the location of the mounting holes and
the through hole for coax cable. Drill or punch the holes.
B. The antenna installation must provide adequate support for the antenna consid-
ering a maximum drag load of 14 lbs (at subsonic speed). Install a doubler plate to
reinforce thin skinned aircraft. Observe guidelines for acceptable installation
practices as outlined in AC 43.13-2A.
C. Seal the antenna and gasket to the fuselage using a good quality electrical grade
sealant. Use caution to insure that the antenna connector is not contaminated with
sealant. Insure that the mounting screws are fully tightened and that the antenna
base is well seated against the gasket. CAUTION: Do not use construction grade RTV
sealant or sealants containing acetic acid. These sealants may damage the electrical
connections to the antenna. Use of these type sealants may void the antenna
warranty.
3.3 CABLE INSTALLATION
A. Route the coax cable supplied to the rack location keeping in mind the recommen-
dations of Section 2. Secure the cable in accordance with good aviation practice.
B. Trim the supplied RG-59/U cable to the desired length and install the BNC
connector (330-00017-00) per the cabling instructions on Figure 3-2.
3.4 RACK INSTALLATION
A. Figure 3-3 shows outline dimensions for the aviation rack. Install the rack in a
rectangular 6.320" x 2.000" hole in the instrument panel. Exercise caution when
installingtherackintotheinstrumentpanel. Therackisdesignedtofacilitateremoval
oftheGPS100forportableuse. Deformationoftherackmaymakeitdifficulttoinstall
and remove the GPS 100.
B. Install the rack in the aircraft panel using four #6-32 countersunk screws and
four self-locking nuts. The screws are inserted from the inside through the holes
in the sides of the rack (see Figure 3-4).
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3.5 AVIATION INTERFACE SET-UP
Before installing the GPS 100 into the aviation rack, several operating parameters
need to be set-up so that the GPS 100 can interface properly with the aviation rack
and other avionics. Press the ON button. The Initialization page will appear. See
Chapter 3 in the GPS 100 Owner’s Manual for information on initialization. Approve
the initialization page.
There are several set-up pages which can be viewed by pressing the SET key. Press
the SET key until the CDI SETTINGS page is displayed. Move the cursor to highlight
the setting for STEER TO. Press the clear key until “D-BAR” appears. Move the cursor
to highlight the “OK” and press ENT. Press the SET key to continue through the set-
up pages and set-up the following parameters:
STEER TO> D-BAR
OUTPUT> AVIATION
Ensure that the following parameters are set-up properly for your application. The
following are typical settings for an aviation environment. See Chapter 10 in the GPS
100 Owner’s Manual for more information on customizing the GPS 100 settings:
CDI SCALE>+ 5.00
>AUTO MAG
NAV> nm kt
ALT> ft FPM
DATUM> WGS 84 or as indicated on navigation charts for the area.
3.6 GPS 100 INSTALLATION
To install or remove the GPS 100 from the aviation rack, see the addendum to the GPS
100 Owner’s Manual included in the installation kit. This addendum should be given
to the end user.
3.7 PLACARD
Aftercompletingtheinstallation,aplacardstating“GPSlimitedtoVFRuseonly”must
be installed on the panel in clear view of the pilot. The placard may be Garmin p/n
161-00024-00 as supplied with the installation kit, or a suitable equivalent.
SECTION 4 CHECKOUT PROCEDURE
Inordertoverifytheinstallation,theaircraftmustbeoutsidethehangerandwellaway
from any buildings or aircraft that might block satellite signals. To perform the
checkoutprocedureitisnecessarytobefamiliarwithoperatingtheGPS100ortohave
the GPS 100 Owner’s Manual available for reference.
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With power applied to the aviation rack turn the GPS 100 on. The Self-Test Page will
be displayed followed by the Initialization Page. The GPS 100 must be properly set-
uppertheinstructionsinSection3.5beforeperformingthecheckoutprocedure. Prior
to approving the Initialization page verify the following interfaces as appropriate:
CDI
Ensure the CDI is deflected half scale left (2.5 dots).
Ensure the TO/FROM flag is in a TO condition.
Ensure the NAV FLAG is out of view.
TO/FROM
NAV FLAG
MESSAGE ANNUNCIATOR
RMI
Ensure the message annunciators are illuminated.
Ensure the RMI indicates 315o.
Approve the Initialization page, select the GPS Status page from Navigation Menu 1
(see Chapter 9 for more information on the GPS Status page). The process of satellite
acquisition is fully automatic and under normal circumstances will require 2-3
minutestoobtainnavigationinformation(15minutesorlesswhensearchingthesky).
If unable to acquire satellites, relocate the aircraft away from obstructions which
might be shading reception. If the situation does not improve, check the antenna
installation.
AUDIO
Select the Event Timer 1 page from Navigation Menu 2 (see Chapter 10 of the GPS 100
Owner’s Manual for more information on event timers). Set the count down timer to
go off in 1 minute. Prior to viewing the message indicating “TIMER 1 EXPIRED” (while
the "M" character is flashing in the upper right hand corner of the display), ensure the
audio interface is operating properly.
ARGUS3000/5000/7000orSTORMSCOPESERIESIIwithNAVAIDorSHADINFUEL
MANAGEMENT SYSTEM
TM
Once GPS position information is available, use the AutoStore function to store a
waypoint at your current position (see Chapter 8 of the GPS 100 Owner’s Manual for
TM
informationontheAutoStore function). Afterstoringyourlocation,GOTOthestored
waypoint (see Chapter 6 of the GPS 100 Owner’s Manual for information on the GOTO
function). Ensure the ARGUS or STORMSCOPE or SHADIN fuel management system
are receiving data from the GPS 100 and are functioning properly.
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FIGURE 1-1 AV. RACK PINOUT DEFINITION
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FIGURE 1-2 INTERCONNECT SCHEMATIC
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Ante nna m a ske d b y ve rtic a l fin,
T ta il, o r d o rsa l fin
OK
Ante nna m ust b e o n
to p o f a irc ra ft.
FIG 2-1
ANTENNA INSTALLATION CONSIDERATIONS
Maintain 6"(16 cm)
compass safe distance
Unit to be mounted in aircraft radio
rack as high as possible. If the loca-
tion chosen is very low, or to the left
of the pilot, it should be evaluated
for display visibility.
FIG 2-2
GPS INSTALLATION CONSIDERATIONS
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FIGURE 3-1 BLADE ANTENNA INSTALLATION
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FIGURE 3-1A LOW PROFILE ANTENNA INSTALLATION
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FIGURE 3-2 COAX CABLE INSTALLATION
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FIGURE 3-3 AVIATION RACK DIMENSIONS
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FIGURE 3-4 AVIATION RACK INSTALLATION
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APPENDIX A INSTALLATION DETAILS FOR BEECH B60
1.0 INTRODUCTION:
This appendix provides airframe specific information which is necessary to install the
GARMINGPS100navigationsystemintheBeechDukeModelB60inaccordancewith
STC (tbd). When so installed, the GPS 100 system is approved for use as a
supplementary navigation system under Visual Flight Rules (VFR) only. A functional
block diagram of the system is shown in Figure A-1.
The information provided herein is to be considered supplemental to the information
contained in the GARMIN GPS 100 Aviation Kit Installation Manual, P/N 190-00004-
00. Within this appendix, the base document will be referred to as the "Installation
Manual".
2.0 INSTALLATION INSTRUCTIONS
2.1 ANTENNA
The GPS 100 antenna is to be installed on top of the cabin on the aircraft centerline
atfuselagestation138.0. FigureA-2illustratestheproperantennapositioning. Refer
to section 2.1 of the Installation Manual for general antenna mounting requirements.
2.2 AVIATION RACK INSTALLATION
The GPS 100 aviation rack is to be installed on the right side of the instrument panel
radio rack as shown in figure A-3. The controls and display of the GPS 100 must be
readily visible to the pilot when seated at the controls.
To install the aviation rack, position it in the instrument panel in the desired position,
assuringthatthefrontisnottwistedoutofsquare. Matchdrilltheflangesontheradio
racktotheinstallationholesontheGPS100aviationrack. Using4each#6-32screws
and self locking nuts, attach the aviation rack to the aircraft panel. For additional
information, refer to the Installation Manual.
2.3 WIRING
FabricateanappropriatecabletoconnecttheGPS100aviationrackto28VDCpower,
a message annunciator, a remote switch (for selecting between GPS and standard
navigation equipment), a transfer switch with integral white, illuminated annuncia-
tors with black markings (to control and indicate the status of the remote switch).
Wiring connections are to be made in accordance with Figure A-4. Breaker locations
are to be as shown in Figure A-5. Route and connect the wiring in accordance with
Advisory Circular AC-43.13-2A. After the wiring installation is complete, carefully
check the operation of all flight controls throughout their range to assure that no
operational interference exists.
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2.4 PLACARDS
After completion of the GPS 100 system installation, affix a durable placard on the
instrumentpanelinthelocationshowninFigureA-3whichstates“GPSlimitedtoVFR
use only". GARMIN placard p/n 161-00024-00 or an appropriate equivalent should
be used for this purpose.
3.0 OPERATIONAL CHECKOUT
When the installation is complete, conduct a post installation checkout as specified
in section 4 of the Installation Manual, being sure to check the proper operation of all
connected instruments.
4.0 RETURN TO SERVICE
After installation, a new weight and balance must be computed to show the GPS 100
components. The aircraft should then be returned to service by completion of FAA
form 337 by an appropriately certificated person.
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FIG A-1
FUNCTIONAL BLOCK DIAGRAM
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FIG A-2
FUSELAGE STATIONS AND WEIGHT AND BALANCE DATA
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FIG A-3
PANEL LAYOUT
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FIG A-4
WIRING DIAGRAM
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FIG A-5
BREAKER LOCATIONS
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