Garmin GNC 255 Installation Manual Download Page 7

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190-01182-02

GTR 225/GNC 255 TSO Installation Manual

Rev. B

Page iii

TABLE OF CONTENTS

GENERAL DESCRIPTION ............................................................................................................1-1

1.1

Introduction ......................................................................................................................................1-1

1.2

Equipment Description ....................................................................................................................1-1

1.3

Technical Specifications ..................................................................................................................1-2

1.3.1

Physical Characteristics ................................................................................................................1-2

1.3.2

General Specifications ..................................................................................................................1-2

1.3.3

Display ..........................................................................................................................................1-3

1.3.4

COM Specifications .....................................................................................................................1-3

1.3.5

VOR Specifications .....................................................................................................................1-4

1.3.6

LOC Specifications .......................................................................................................................1-5

1.3.7

Glideslope Specifications .............................................................................................................1-6

1.4

License Requirements ......................................................................................................................1-8

1.5

Regulatory Compliance ...................................................................................................................1-9

1.5.1

Non-TSO Functions ......................................................................................................................1-9

1.5.2

TSO Deviations ..........................................................................................................................1-10

1.5.3

FCC Grant of Equipment Authorization ....................................................................................1-10

1.6

GTR/GNC Database ......................................................................................................................1-11

1.7

Aviation Limited Warranty ............................................................................................................1-11

LIMITATIONS .................................................................................................................................2-1

2.1

Installation .......................................................................................................................................2-1

2.2

Aircraft Radio ..................................................................................................................................2-1

INSTALLATION OVERVIEW ......................................................................................................3-1

3.1

Introduction ......................................................................................................................................3-1

3.2

Antenna Considerations ...................................................................................................................3-1

3.2.1

COM Antenna Location ...............................................................................................................3-1

3.2.2

Interference of GPS ......................................................................................................................3-2

3.3

GTR/GNC Mounting Considerations ..............................................................................................3-2

3.4

Cabling and Wiring Considerations .................................................................................................3-3

3.5

Air Circulation and Cooling ............................................................................................................3-4

3.6

Compass Safe Distance ....................................................................................................................3-4

INSTALLATION PROCEDURES ..................................................................................................4-1

4.1

Unit and Accessories .......................................................................................................................4-1

4.2

Miscellaneous Options .....................................................................................................................4-1

4.3

Optional Reference Material ............................................................................................................4-2

4.4

Installation Materials Required but not Supplied ............................................................................4-2

4.4.1

Accessories Required but not Supplied ........................................................................................4-2

4.4.2

Materials Required but not Supplied (New Installations Only) ...................................................4-2

4.5

Special Tools Required ....................................................................................................................4-3

4.6

Coaxial Cable Installation ................................................................................................................4-4

4.7

Equipment Mounting .......................................................................................................................4-5

4.7.1

Rack Installation ...........................................................................................................................4-5

4.7.2

GTR/GNC Unit Insertion and Removal .......................................................................................4-6

4.7.3

Unit Replacement .........................................................................................................................4-6

4.8

Antenna Installation and Connections .............................................................................................4-6

4.8.1

COM Antenna ...............................................................................................................................4-6

CONNECTOR PINOUT INFORMATION ...................................................................................5-1

5.1

Pin Function List ..............................................................................................................................5-1

Summary of Contents for GNC 255

Page 1: ...190 01182 02 March 2013 Revision B GTR 225 GNC 255 TSO Installation Manual ...

Page 2: ......

Page 3: ...hat such electronic or printed copy of this manual or revision must contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited At Garmin we value your opinion For comments about this guide please e mail Techpubs Salem garmin com Garmin International Inc 1200 E 151st Street Olathe...

Page 4: ...able 1 3 1 5 2 Added deviation for ETSO 2C40c 6 4 2 Added RS 232 table Appendix D Updated Figure D 3 Updated Figure D 14 Section Pagination Table of Contents i through viii Section 1 1 1 through 1 12 Section 2 2 1 through 2 2 Section 3 3 1 through 3 4 Section 4 4 1 through 4 6 Section 5 5 1 through 5 14 Section 6 6 1 through 6 22 Section 7 7 1 through 7 2 Appendix A A 1 through A 2 Appendix B B 1 ...

Page 5: ... of the Export Administration Act of 1979 Include this notice with any reproduced portion of this document This information in this document is subject to change without notice Visit the Garmin web site www garmin com for current updates and supplemental information concerning the operation of Garmin products DEFINITIONS OF WARNINGS CAUTIONS AND NOTES WARNING Warnings are used to bring to the inst...

Page 6: ... a lithium battery that must be recycled or disposed of properly Battery replacement and removal must be performed by professional services CAUTION To avoid damage to the GTR 225 or GNC 255 take precautions to prevent Electro Static Discharge ESD when handling the GTR connectors fan and associated wiring ESD damage can be prevented by touching an object that is of the same electrical potential as ...

Page 7: ...ATION OVERVIEW 3 1 3 1 Introduction 3 1 3 2 Antenna Considerations 3 1 3 2 1 COM Antenna Location 3 1 3 2 2 Interference of GPS 3 2 3 3 GTR GNC Mounting Considerations 3 2 3 4 Cabling and Wiring Considerations 3 3 3 5 Air Circulation and Cooling 3 4 3 6 Compass Safe Distance 3 4 4 INSTALLATION PROCEDURES 4 1 4 1 Unit and Accessories 4 1 4 2 Miscellaneous Options 4 1 4 3 Optional Reference Material...

Page 8: ...ration 6 11 6 4 5 Log Functions 6 12 6 5 Ground Checks Configuration Mode 6 13 6 5 1 Calibrate Resolver GNC Only 6 13 6 5 2 Flags Check GNC Only 6 14 6 5 3 VOR Localizer Glideslope Indicator GNC Only 6 14 6 5 4 Lighting Bus Interface Check 6 15 6 6 Ground Checks Normal Mode 6 16 6 6 1 Discrete Input Checkout 6 16 6 6 2 VHF NAV Checkout 6 16 6 6 3 NAV Audio Check Audio Panel Installations GNC Only ...

Page 9: ...ation Manual Rev B Page v APPENDIX B GTR GNC DATA FORMAT B 1 B 1 RS 232 Aviation Data Format B 1 B 2 RS 232 NMEA Data Format B 5 APPENDIX C MECHANICAL DRAWINGS C 1 C 1 Drawing List C 1 APPENDIX D INTERCONNECT DIAGRAMS D 1 D 1 Drawing List D 1 ...

Page 10: ... 6 12 Figure 6 23 Calibrate OBS Resolver Page 6 13 Figure 6 24 Test Analog Flags Page 6 14 Figure 6 25 Test CDI VDI Page 6 14 Figure 6 26 USB Update Progress 6 21 Figure 6 27 Database Update Display 6 22 Figure 6 28 Verify Database Version 6 22 Figure C 1 GTR GNC Dimensions C 3 Figure C 2 GTR GNC Mounting Rack C 4 Figure C 3 GNC Center of Gravity C 5 Figure C 4 GTR Center of Gravity C 6 Figure C 5...

Page 11: ...02 GTR 225 GNC 255 TSO Installation Manual Rev B Page vii Figure D 13 GNC King Serial DME Panel Mount Interconnect D 23 Figure D 14 GTR GNC GDU 620 Interconnect D 25 Figure D 15 GTR GNC GTN and GNS 400W 500W D 26 ...

Page 12: ...rt Numbers 4 5 Table 6 1 Serial Port Selections 6 3 Table 6 2 Intercom Enable Page Selections 6 4 Table 6 3 Backlight Selections 6 4 Table 6 4 Photocell Page Parameter Description 6 5 Table 6 5 Lighting Bus Parameter Description 6 6 Table 6 6 CDI Indicator Selections 6 7 Table 6 7 ARINC 429 Configuration Speed TX 6 8 Table 6 8 SDI Selections 6 8 Table 6 9 DME Settings 6 8 Table 6 10 A429 Settings ...

Page 13: ... service bulletin date and the purpose of the modification The table is current at the time of publication of this manual see date on front cover and is subject to change without notice Authorized Garmin Sales and Service Centers are encouraged to access the most up to date bulletin and advisory information on the Garmin Dealer Resource web site at www garmin com using their Garmin provided user n...

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Page 15: ...Table 1 1 TSO Certified Units CAUTION The GTR GNC units have a display that is coated with a special anti reflective coating that is very sensitive to waxes and abrasive cleaners CLEANERS CONTAINING AMMONIA WILL HARM THE ANTI REFLECTIVE COATING It is very important to clean the display using a clean lint free cloth and an eyeglass lens cleaner that is specified as safe for anti reflective coatings...

Page 16: ...ace of aircraft panel to rear of connector backshells 11 23 in GTR 225 Weight Unit Only 2 36 lbs 1 07 kg GNC 255 Weight Unit Only 3 02 lbs 1 37 kg GTR 225 Installed with rack and connectors 3 06 lbs 1 39 kg GNC 255 Installed with rack and connectors 3 96 lbs 1 80 kg Characteristics Specifications Operating Temperature Range 20 C to 55 C For more details see Environmental Qualification Form on the ...

Page 17: ...0 mVRMS into 1000 Ω load Modulation Capability 85 with 100 to 1000 mVRMS microphone input at 1000 Hz Modulation AM Double sided Emission Designator 6K00A3E 118 136 975 MHz 5K60A3E 118 136 992 MHz Frequency Range 118 000 to 136 975 MHz 25 kHz channel spacing 118 000 to 136 992 MHz 8 33 kHz channel spacing Frequency Tolerance 2ppm from 40 C to 70 C Output Power 10 Watt Mode 10 watts minimum 16 Watt ...

Page 18: ...eling 60 dB BW is less than 7 37 kHz for 8 33 kHz channeling Characteristics Specifications Receiver Audio Sensitivity At 103 5 dBm S N N is not less than 6 dB Course Deviation Sensitivity 103 5 dBm or less for 60 of standard deflection Flag The VOR LOC Course Deviation Flag must be flagged when RF signals are absent 9960 Hz modulation is absent either one of the two 30 Hz modulations are absent t...

Page 19: ...sent RF signals are absent AGC Characteristics From 99 dBm to 13 dBm input of a standard localizer audio test signal audio output level does not vary more than 3 dB Selectivity 6 dB BW is greater than 9 kHz 69 dB BW is less than 36 kHz Standard Deflection With a standard deflection FLY LEFT condition 90 Hz dominant the output is 90 mV 9 mV With a standard deflection FLY RIGHT condition 150 Hz domi...

Page 20: ... the assigned channel At frequencies displaced by 132 kHz or greater the input signal is at least 60 dB down Standard Deflection With a standard deflection FLY DOWN condition 90 Hz dominant the output is 78 mV 7 8 mV With a standard deflection FLY UP condition 150 Hz dominant the output is 78 mV 7 8 mV Flag The unit flags when the level of a standard glideslope deviation test signal produces 50 or...

Page 21: ...rflags If connected their current draw must be added to the specified current The superflags will supply up to 320 ma each regardless of the input voltage LRU 14 Volt Current Draw 28 Volt Current Draw Typical Maximum Typical Maximum GTR 225 COM Connector 0 59 A 4 2 A 0 28 A 1 9 A GTR 225A COM Connector 0 59 A 4 2 A 0 28 A 1 9 A GTR 225B COM Connector 0 59 A 5 9 A 0 28 A 2 6 A GNC 255A COM Connecto...

Page 22: ...cation for a license on FCC form 404 Application for Aircraft Radio Station License The FCC also has a fax on demand service to provide forms by fax Outside the US contact the responsible telecommunication authority The GTR GNC owner accepts all responsibility for obtaining the proper licensing before using the transceiver The maximum transmitting power modulation identification and frequency band...

Page 23: ... B1374 03 thru 0 006 C0124 01 thru 0 C C ILS Localizer TSO C36e DO 195 ETSO 2C36f ED 46B A 006 B0082 12 thru 1 006 B1374 03 thru 0 006 C0124 01 thru 0 C C VOR TSO C40c DO 196 ETSO2C40c ED 22B 006 B0082 12 thru 1 006 B1374 03 thru 0 006 C0124 01 thru 0 C 2 C C C C Equipment That Prevent Blocked Channels TSO C128a DO 207 ETSO 2C128 ED 67 006 B1061 05 thru 0 006 B1374 03 thru 0 006 C0135 23 thru 2 C ...

Page 24: ...tion of the computer software TSO C40c 1 Garmin was granted a deviation from the TSO not to mark TSO number and software part number on the exterior of the unit 2 Garmin was granted a deviation from the TSO to use RTCA DO 160F instead of an earlier version as the standard for environmental conditions and test 3 Garmin was granted a deviation from the TSO to use RTCA DO 178B instead of an earlier v...

Page 25: ...In addition Garmin reserves the right to refuse warranty claims against products or services that are obtained and or used in contravention of the laws of any country THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES WHETHER EXPRESS IMPLIED OR STATUTORY INCLUDING ANY LIABILITY ARISING UNDER ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PUR...

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Page 27: ...CFR part 43 or the applicable airworthiness requirements To mitigate against the loss of navigation and communication installation of a second navigation and or communication system may be required 2 2 Aircraft Radio An aircraft radio station license is not required when operating in U S airspace but may be required when operating internationally As required by TSO C169a the quantitative safety ob...

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Page 29: ...T antenna Some ELTs have exhibited re radiation problems that cause interference with other radios including GPS This can happen when the COM GTR GNC or any other COM is transmitting on certain frequencies such as 121 15 or 121 175 MHz which may cause the ELT output circuit to oscillate from the signal coming in on the ELT antenna coax If simultaneous use of two COM transceivers is desired split C...

Page 30: ...lter Garmin P N 330 00067 00 may be installed in the VHF COM coax as close to the COM as possible This filter is not required for the GTR GNC transmitter If a COM is found to be radiating the following can be done Replace or clean VHF COM rack connector to ensure good coax ground Place a grounding brace between the GTR GNC VHF COM and ground Shield the VHF COM wiring harness 3 3 GTR GNC Mounting C...

Page 31: ...s should be located in a protected area of the aircraft e g isolated from engine rotor burst and Do not route cable near high voltage sources NOTE Pigtail lengths should be less than 3 0 inches Wiring which is required to be shielded must be shielded per Appendix D Refer to Section 4 4 2 and Section 4 5 for connector and tooling information Refer to Section 4 6 for recommended coax cable Refer to ...

Page 32: ...ionics stack heat each other through radiation convection and sometimes by direct conduction Even a single unit operates at a much higher temperature in still air than in moving air Fans or some other means of moving the air around electronic equipment are usually a worthwhile investment The GTR GNC has a cooling fan integrated into the chassis to draw forced air cooling through the unit There are...

Page 33: ...P N GTR 225 010 00998 00 010 00998 50 011 02718 00 GTR 225A 010 01026 00 010 01026 50 011 02807 00 GTR 225B 010 01027 00 010 01027 50 011 02808 00 GNC 255A 010 01025 00 010 01025 50 011 02806 00 GNC 255B 010 00999 00 010 00999 50 011 02719 00 Model Item Part Number GTR 225 225A 225B Connector Kit 011 02721 00 Backplate Assembly 011 02722 00 Mounting Rack 115 01613 00 Product Information Kit K00 00...

Page 34: ...f Locking Nut MS21042 or other approved fastener 6 ea Push Pull manually resettable Circuit Breakers Tie Wraps or Lacing Cord Ring Terminals for grounding Coaxial Cable RG 400 RG 142B or equivalent Refer to Table 4 8 for additional information Item Garmin P N GTR 225 Pilot s Guide 190 01182 00 GNC 255 Pilot s Guide 190 01182 01 Item Requirements COM Antenna Meets TSO C37 and C38 or TSO C169 50 ver...

Page 35: ...ols or Equivalent NOTE Insertion extraction tools from ITT Cannon are all plastic others are plastic with metal tip Manufacturer Hand Crimping Tool 22 28 AWG P1001 P1005 Positioner Insertion Extraction Tool Military P N M22520 2 01 M22520 2 09 M81969 14 01 M81969 1 04 Positronic 9507 0 0 0 9502 4 0 0 M81969 1 04 ITT Cannon 995 0001 584 995 0001 739 000849490 274 7048 000MIL AMP 601966 1 601966 6 9...

Page 36: ... on Figure 4 1 below If the connector is provided by the installer follow the connector manufacturer s instructions for cable preparation Figure 4 1 Coaxial Cable Installation GASKET NUT 9 16 3 16 1 PLACE NUT AND GASKET OVER CABLE AND STRIP JACKET TO DIMENSION SHOWN 2 COMB OUT BRAID AND TRIM DIELECTRIC TO DIMENSION SHOWN 3 PULL BRAID WIRES FORWARD AND TAPER TOWARD CENTER CONDUCTOR PLACE CLAMP OVER...

Page 37: ...eyond the finished aircraft panel NOTE If the front lip of the mounting rack is behind the surface of the aircraft panel the GTR GNC unit connectors may not fully engage See Figure C 7 for more information Ensure that no screw heads or other obstructions prevent the unit from fully engaging in the rack see the Connector Engagement Test Section 6 3 Exercise caution when installing the rack into the...

Page 38: ...eding 15 in lbs can damage the locking mechanism 4 7 3 Unit Replacement Whenever the GTR GNC unit is removed or reinstalled verify that the unit powers up successfully 4 8 Antenna Installation and Connections 4 8 1 COM Antenna The GTR GNC unit requires a standard 50 vertically polarized antenna Follow the antenna manufacturer s installation instructions for mounting the antenna The antenna should ...

Page 39: ...LIGHTING HI 1 In 9 RESERVED 10 RESERVED 11 COM MIC 1 KEY In 12 INTERCOM ENABLE In 13 SPEAKER OUT Out 14 RESERVED 15 RESERVED 16 RS 232 IN 1 In 17 RESERVED 18 500 Ω COM AUDIO LO 19 AUX AUDIO LINE LEVEL GND 20 MIC AUDIO IN LO In 21 RESERVED 22 LIGHTING LO 1 In 23 RESERVED 24 RESERVED 25 RESERVED 26 COM MIC 2 KEY In 27 COM REMOTE TRANSFER In 28 COM REMOTE TUNE UP In 29 COM REMOTE TUNE DOWN In 30 AIRC...

Page 40: ...denotes that the signal is an Active Low requiring a ground to activate If there is no asterisk the signal is an Active High 34 RESERVED 35 RESERVED 36 RESERVED 37 AIRCRAFT GND 38 AIRCRAFT GND 39 SPEAKER GND 40 AIRCRAFT GND 41 RESERVED 42 RESERVED 43 AIRCRAFT POWER In 44 AIRCRAFT POWER In Pin Pin Name I O ...

Page 41: ...SUPERFLAG Out 16 500 Ω VOR LOC AUDIO OUT HI Out 17 500 Ω VOR LOC AUDIO OUT LO Out 18 SERIAL DME CLOCK I O 19 SERIAL DME DATA I O 20 SERIAL DME RNAV CH REQ In 21 SERIAL DME RNAV MODE In 22 AIRCRAFT GND In 23 VOR ILS ARINC 429 OUT B Out 24 VOR ILS ARINC 429 OUT A Out 25 VOR OBI CLOCK Out 26 VOR OBI SYNC Out 27 VOR OBI DATA Out 28 VLOC REMOTE TRANSFER In 29 ILS ENERGIZE Out 30 SPARE 31 SPARE 32 GLIDE...

Page 42: ... 43 PAR DME 50 KHZ Out 44 SERIAL DME DME REQUEST I O 45 PAR DME 1 MHZ A Out 46 PAR DEM 1 MHZ B Out 47 PAR DME 1 MHZ C Out 48 RESERVED 49 AIRCRAFT GND In 50 RESERVED 51 AIRCRAFT POWER In 52 AIRCRAFT POWER In 53 GLIDESLOPE FLAG Out 54 PAR DME 100 KHZ E Out 55 GLIDESLOPE DOWN Out 56 PAR DME 1MHZ E Out 57 RESERVED 58 GLIDESLOPE COMPOSITE OUT Out 59 RESERVED 60 AIRCRAFT GND In 61 AIRCRAFT GND In 62 AIR...

Page 43: ...radio All three pins must be connected Power inputs P2002 51 and P2002 52 provide power for the NAV radio Both pins must be connected Pin Name Connector Pin I O AIRCRAFT POWER P2001 30 In AIRCRAFT POWER P2001 43 In AIRCRAFT POWER P2001 44 In AIRCRAFT POWER P2002 51 In AIRCRAFT POWER P2002 52 In AIRCRAFT GROUND P2001 37 In AIRCRAFT GROUND P2001 38 In AIRCRAFT GROUND P2001 40 In AIRCRAFT GROUND P200...

Page 44: ...data consists of the following refer to Section B 1 for a detailed data format description Current latitude longitude and GPS altitude in feet see note below Current velocity vector ground speed and direction of velocity vector over the ground Distance to waypoint Cross track error Desired track Destination waypoint identifier Bearing to destination waypoint Magnetic variation Navigation and warni...

Page 45: ...s to fit the GTR GNC architecture Set active VOR LOC frequency Set monitor mode ignored Set standby VOR LOC frequency Set monitor mode ignored Set NAV audio mode Cannot turn off NAV audio Set Volume Level and Audio Control Parameters Only headphone sidetone level and RF squelch supported Request data output Cannot set speed Only unlisted command supported is Request Reset Status in both versions 5...

Page 46: ... carbon or dynamic mic inputs with integrated preamps providing minimum 70 mVrms into a 1000 Ω load MIC 1 and MIC 2 are set in the factory so that 100 mVrms modulates the transmitter to 85 nominally at 1000 Hz The microphone gain adjustment is made through Configuration Mode 5 2 4 5 2 COM AUDIO COM AUDIO supplies 100 mW into a 500 load This is a balanced output and the LO output must be connected ...

Page 47: ... also a menu option to enable the intercom if it is not desired to utilize a remote switch 5 2 5 3 COM MIC 2 KEY COM MIC 2 KEY discrete input when pulled low allows the audio that is present on the COM MIC 2 AUDIO IN HI P2001 6 to be transmitted over the radio 5 2 5 4 COM REMOTE TRANSFER COM REMOTE TRANSFER discrete input may be used to flip flop between the active and standby COM frequencies A mo...

Page 48: ...lanced output and the 500 VOR LOC AUDIO OUT LO output must be connected 5 2 7 VOR ILS Discrete Inputs This input is considered active if either the voltage to ground is 3 5 VDC or the resistance to ground is 375 This input is considered inactive if the voltage to ground is 11 33 VDC or the resistance to ground is 100k Ω An asterisk following a signal name denotes that the signal is an Active Low r...

Page 49: ... less than 320 mA with the output voltage not less than AIRCRAFT POWER 2 VDC when the flag is to be OUT OF VIEW The output voltage with respect to ground is 0 250 mVDC when the flag is to be IN VIEW 5 2 8 1 2 Deviation Deviation outputs are each capable of driving up to three 1000 loads with 150 mVDC 15 mVDC for full scale deflection 0 mVDC 4 5 mVDC when centered The drive circuit provides for mor...

Page 50: ...2 8 1 7 GLIDESLOPE COMPOSITE With a standard glideslope test signal applied GLIDESLOPE COMPOSITE OUT is 0 350 0 05 Vrms into a 10 k load 5 2 8 1 8 NAV ILS ENERGIZE The driver output voltage is not more than 1 0 V when sinking 20 mA The maximum off state leakage current with respect to GND is less than 10 A Pin Name Connector Pin I O VOR LOC FLAG P2002 3 Out VOR LOC FLAG P2002 4 Out GLIDESLOPE FLAG...

Page 51: ...e VOR LOC window there is a bit in the data stream set to indicate that a localizer frequency is tuned which stows the needle or drives it to the 3 o clock position 5 2 9 2 RMI OBI Electrical Characteristics The output driver is an Active Low The driver output voltage is not more than 1 0 V when sinking 20 mA The maximum off state leakage current with respect to ground is less than 10 A Pin Name C...

Page 52: ...ess than 10 A DME COMMON must be pulled low to indicate to the GTR GNC that it is the device channeling the DME DME COMMON is considered active if either the voltage to ground is less than 1 9 V or the resistance to ground is less than 375 These inputs are considered inactive if the voltage to ground is 11 33 VDC Pins 37 40 41 42 43 45 47 33 54 and 56 are configured for 2 of 5 parallel DME tuning ...

Page 53: ...active if either the voltage to ground is less than 1 9 V or the resistance to ground is less than 375 These inputs are considered inactive if the voltage to ground is 11 33 VDC DME COMMON must be pulled low to indicate to the GTR GNC that it is the device channeling the DME Pins 18 19 20 and 41 are configured for King Serial DME tuning Pin Name Connector Pin I O SERIAL DME DATA P2002 19 I O SERIA...

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Page 55: ... to powering up the GTR GNC the wiring harness must be checked for proper connections to the aircraft systems and other avionics equipment Point to point continuity must be checked to expose any faults such as shorting to ground Any faults or discrepancies must be corrected before proceeding After accomplishing a continuity check perform power and ground checks to verify proper power distribution ...

Page 56: ...ly engaging in the rack 6 4 Configuration Mode Operations The configuration pages shown in this section reflect main software version 2 00 Some differences in operation may be observed when comparing the information in this manual to later software versions Configuration mode is used to configure the GTR GNC settings for each specific installation To access configuration mode remove power from the...

Page 57: ...figure source priority for the display of distance speed time DST information if both GPS and DME systems are providing data to the GNC The GNC can display DST data from a DME or GPS device Select GPS DME to give priority to DST data from a connected GPS receiver or DME GPS to give priority to DST data from a connected DME receiver Figure 6 3 DST Display Page Selection Description NONE No unit s c...

Page 58: ...tness level of the display and bezel keys can also be configured on the Backlight page This will set the minimum brightness of the bezel keys or display The display minimum brightness level has a range from 1 to 100 The default level is 1 The bezel key minimum brightness level has a range from 0 to 100 The default level is 1 Selection Description DISPLAY Allows the intercom to be enabled or disabl...

Page 59: ...sitivity the brightness of the display or keys has to changes in the photocell input level Adjusting the slope higher will result in a brighter display for a given increase in the photocell input level This field has a range of 0 to 100 and is set to 50 as the default setting KEY CO Key Cutoff This parameter configures the point at which key backlighting is switched off in bright light For example...

Page 60: ...nimum boot version of the unit Figure 6 8 Display Information Pages Selection Description INPUT This setting configures the lighting bus source voltage Select 14 VDC 28 VDC 5 VDC or 5 VAC depending on the lighting bus voltage source SLOPE This setting determines how sensitive the display or bezel keys are to changes in the lighting bus input level Adjusting the slope higher will result in a bright...

Page 61: ...o the GNC The setting is based upon the connected CDI See Table 6 6 for settings Figure 6 10 CDI Indicator Page Table 6 6 CDI Indicator Selections Selection Description NONE DEFAULT No external resolver is supported OBS mode allows the user to edit the OBS with concentric knobs Serial OBS update messages are supported in this mode but the unit will not flag if updates are discontinued or are not p...

Page 62: ... 9 for DME settings Table 6 9 DME Settings Selection Description LO SPEED Standard low speed ARINC 429 nominally 12 5 kilobits per second HI SPEED High speed ARINC 429 nominally 100 kilobits per second Selection Description COMMON Generates all 429 outputs with SDI 0 VOR ILS 1 Number 1 Pilot VOR ILS Receiver TX Generates all 429 outputs with SDI 1 VOR ILS 2 Number 2 Copilot VOR ILS Receiver TX Gen...

Page 63: ... Gain The MIC Gain page Figure 6 14 allows the installer to set the MIC gains for MIC 1 and MIC 2 The MIC 1 and MIC 2 gain can be adjusted from 12 dB to 30 dB in 6 dB increments The default is 12 dB For MICs with low signal levels this can be adjusted up to increase the signal strength For MICs with high signal levels this can be adjusted down to decrease the signal strength Note that the MIC 2 ga...

Page 64: ...ken with low signal levels Increasing the value will require higher signal levels to break squelch Figure 6 15 COM RX Squelch Page 6 4 3 3 COM Info The COM information page Figure 6 16 allows the installer to view and verify the COM board software version software part number hardware version boot version boot P N FPGA version and FPGA P N Figure 6 16 COM Information Page 6 4 3 4 COM Update NOTE G...

Page 65: ... this option set to On the NAV audio will be sent along with COM audio to the pilot s headphones and the audio will be mixed With this option set to Off the NAV audio will not be heard in the pilot s headphones The NAV audio will still be sent over the analog audio lines on P2002 16 and 17 In installations with an audio panel this should be set to Off Use the smaller inner knob to select On or Off...

Page 66: ...download the error log insert the USB dongle cable into the GTR GNC USB port and attach a USB flash drive to the dongle Then select the Download Log page When ready press the ENT key to download the error log to the USB flash drive Figure 6 21 Download Log Page 6 4 5 2 Clear Error Log The Clear Error Logs page Figure 6 22 allows the installer to clear the internal error log on the GTR GNC It can b...

Page 67: ...C cannot drive multiple resolvers at the same time It is not recommended that external resolvers be switched through a relay or other means because the resolver must be calibrated to the radio as described in this procedure If multiple resolvers are desired in the installation the primary unit must be installed and calibrated as described here The secondary unit should use the composite output 1 A...

Page 68: ...arge knob to the next flag type and turn the small knob to change it to valid or invalid You can only select From To or Hidden as active not at the same time 4 Ensure the flags on the connected indicator function as intended 6 5 3 VOR Localizer Glideslope Indicator GNC Only The Test CDI VDI page Figure 6 25 of the NAV group allows the analog indicator connected to the GNC to be checked for proper ...

Page 69: ... GNC display does not increase as the lighting is increased in brightness verify that the wiring is correct before proceeding The display and bezel key backlighting on the GTR GNC can track an external lighting dimmer bus input and use it to vary the display and bezel key backlight levels accordingly This check verifies that the interface is connected correctly 1 Ensure the lighting bus is set to ...

Page 70: ...6 6 3 NAV Audio Check Audio Panel Installations GNC Only 1 Ensure the audio panel is powered on and perform the following steps 2 Plug in a headset at pilot and copilot position 3 Tune the GNC NAV receiver to a local VOR station and select NAV audio on the audio panel 4 Ensure the Morse code identifier is being received over the crew headsets 5 If the audio is not heard verify the wiring connectio...

Page 71: ...nce To check the database 1 Cycle power on the GTR GNC The Unit will go through its normal start up sequence 2 Press FUNC and select SYS configuration with the larger outer knob Rotate the smaller inner knob to select DATABASE INFO and press the ENT button 3 Verify that the effectivity EFCTV date has not passed for the frequency database 6 6 4 5 RS 232 Serial Interface Checks The interfaces to RS ...

Page 72: ...ation setup The aircraft heading system must be operating properly in order for the RMI needle to point correctly 1 Apply power to the equipment 2 If installed set the RMI select switch to the VLOC position 3 Tune a local VOR station or use a simulated signal from an approved VOR Test System 4 Verify that the RMI needle swings and points toward the VOR station 6 6 5 2 DME Tuning Check GNC Only 1 I...

Page 73: ...r and receiver at the extents of a ground facility s service volume e g FAA AC 23 8A 6 7 2 VOR Flight Check GNC Only 1 Tune a local VOR station within 50 miles 2 Verify the audio IDENT and voice quality and verify that no objectionable electrical interference such as magneto noise is present 3 Verify the Morse code decoder IDs the station 95 probability 4 Fly to and from the station 5 Verify NAV f...

Page 74: ...Drive NOTE Note The application to create a loader card requires Windows 2000 XP Vista or Windows 7 There is no Mac support at this time 1 Go to the Dealer Resource Center on Garmin s web site 2 Download the GTR GNC System software to your PC 3 Ensure that you have a USB 2 0 compatible USB drive connected to the PC in the USB slot 4 Run the executable file that was downloaded and follow the prompt...

Page 75: ...ble as shown in Figure 6 26 Figure 6 26 USB Update Progress 2 From the configuration mode home page press ENT to access the SYS Configuration page Turn the small inner knob clockwise until the software update page is displayed Press ENT to begin the software update 3 Verify that the available GTR GNC software updates are being displayed 4 Press the ENT key to begin the software update When the upd...

Page 76: ...e LARGE knob to select the SYS function Turn the SMALL knob to view the Load Database function Then press the ENT key Figure 6 27 Database Update Display 4 Verify the database version on USB Then press the ENT key Updating will begin automatically Figure 6 28 Verify Database Version 6 9 Documentation Checks 6 9 1 Airplane Flight Manual Supplement Ensure that the Airplane Flight Manual Supplement A...

Page 77: ...C 7 2 VOR Checks Refer to CFR 14 paragraph 91 171 Every 30 days verify the limits of the permissible indicated bearing error 7 3 Cleaning The front bezel keypad and display can be cleaned with a microfiber cloth or with a soft cotton cloth dampened with clean water DO NOT use any chemical cleaning agents Care should be taken to avoid scratching the surface of the display ...

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Page 79: ...VIRONMENTAL QUALIFICATION FORM For RTCA DO 160F Environmental Qualification Forms EQFs visit the Dealer Resource Center on Garmin s web site The EQF part number for the GTR Series GTR 225 225A 225B is 005 00658 02 The EQF part number for the GNC Series GNC 255A 255B is 005 00658 03 ...

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Page 81: ...he Type 1 output sentences have the following general format id item designator single ASCII alphabetic character dddd item data 1 to 10 printable ASCII characters CR ASCII carriage return character 0D hex LF ASCII line feed character 0A hex Each Type 1 sentence is output by the GTR GNC approximately once every second The track desired track and bearing to waypoint angles and the magnetic variatio...

Page 82: ...hs of minutes C d d d Track in whole degrees D s s s Ground speed in knots E d d d d d Distance to waypoint in tenths of nautical miles G s n n n n Cross track error where s L left or R right of course nnnn error in hundredths of nautical miles I d d d d Desired track in tenths of degrees K c c c c c Destination waypoint identifier will be blank filled on right if less than 5 characters in identif...

Page 83: ...age return character 0D hex LF ASCII line feed character 0A hex Each waypoint in the route being navigated by the interfacing equipment has a Type 2 sentence output by the interfacing navigation equipment approximately once every second If no route is being navigated by the interfacing navigation equipment i e the active route is empty the following Type 2 sentence is output approximately once eve...

Page 84: ... nnnnn route sequence number of waypoint unsigned binary wpt 1 5 Destination waypoint identifier will be blank filled on right if less than 5 characters in identifier lat 1 2 3 s d d d d d d d x x m m m m m m x h h h h h h h s 0 north or 1 south ddddddd latitude degrees unsigned binary xx undefined mmmmmm latitude minutes unsigned binary x undefined hhhhhhh hundredths of latitude minutes unsigned ...

Page 85: ...er a COMM or NAV message The GTR and COM portion of the GNC use C while message for the NAV portion of the GNC use V nn Message identifier two digit number in ASCII characters d d Message data characters defined for each message chksum Message checksum including message identifier nn through data characters d d The two digit checksum is generated by adding all values of valid characters together i...

Page 86: ...between the time the message is flagged for output and the time it is actually output If another request for the same message is received in this period then the previous request will be lost The amount of lag depends on the number of messages that are consecutively flagged for output Use of unsupported output identifiers will not generate a Communication Error message Message format GNC NAV reque...

Page 87: ...z in 25 KHz steps a Transceiver function N normal M monitor 0 unchanged o 8 33 KHz offset ASCII 0 25 KHz frequency 000 1 first 8 33 KHz channel offset 005 2 second 8 33 KHz channel offset 010 3 third 8 33 KHz channel offset 015 Example message PGRMC00G4N0 chksm CR LF This example command would set the active COM frequency to 119 100 MHz and place the COMM radio in Normal receive mode This is inter...

Page 88: ... This example command would set the standby COM frequency to 123 565MHz and place the COMM radio in Monitor mode This is interpreted by noting that the ASCII G corresponds with 47h 30h 77h converted to decimal equals 119 for the MHz portion The KHz portion converts ASCII F to 46h 30h yields 16h x25KHz steps 550KHz add 3 8 33 channels 565KHz Note The GTR GNC will check input frequencies for validit...

Page 89: ...sage class This is a GTR GNC COM message 13 Message ident ss New spacing ASCII 83 8 33 KHz spacing 25 25 KHz spacing Example message PGRMC183 chksm CR LF Set channel spacing to 25 KHz B 2 4 1 7 Set Active NAV Frequency This message is used to set the active NAV frequency Message format V Message class This is a GNC NAV message 27 Message identifier mk Active VOR LOC frequency m desired frequency i...

Page 90: ...s a GNC NAV message 28 Message identifier mk Standby VOR LOC frequency m desired frequency in MHz in hexadecimal where m desired frequency 30h with desired frequency in range of 108 to 117MHz k desired frequency in KHz where k desired frequency 25KHz 30h with desired frequency in range of 000 to 975KHz in 50KHz steps or the even numbers from 30h to 56h 0 Reserved data in this field will be ignored...

Page 91: ...e message PGRMV31I chksm CR LF Set the current NAV Audio mode to IDENT B 2 4 1 10 Set Omni Bearing Select OBS Value This message is used to set the OBS value used by the GNC as the selected radial for computing the course deviation from a VOR This message will have no effect unless the GNC is configured to use the serial port as its OBS source NONE or SERIAL Message format V Message class This is ...

Page 92: ...Intercom no other status applicable R Normal receive M Monitor receive T Transmit active S Stuck mic F Comm failure s Squelch setting ASCII 0 automatic 1 manual override SQ shown in upper left corner of COM active frequency hh COM channel spacing ASCII 25 25 KHz mode 83 8 33 KHz mode o Active frequency 8 33 KHz offset ASCII 0 25 KHz frequency 000 1 first 8 33 KHz channel offset 005 2 second 8 33 K...

Page 93: ...OM message 03 Message ident vvvv Software version in ASCII Example message PGRMC030100 chksm CR LF COM Software version is 01 00 B 2 4 2 4 GTR GNC COM Status This message is used to output the GTR GNC COM Status Message format C Message class This is a GTR GNC COM message 13 Message identifier a COM needs service ASCII 0 OK 1 COM transmit capabilities not reliable b COM status ASCII 0 OK 1 COM fun...

Page 94: ... the host and when an alert s status changes This message is only available in normal mode Message format V Message class This is a VHF NAV message 41 Message identifier a VLOC needs Service ASCII 0 OK 1 Lateral course guidance not reliable b VLOC Status ASCII 0 OK 1 VLOC and Glide slope course guidance not available c Glide Slope needs service ASCII 0 OK 1 Vertical course guidance not reliable d ...

Page 95: ...tion digits The CDI deflection is a twos complement signed integer in the range of 120 to 120 100 indicates full deflection upwards 0 indicates no deflection and 100 indicates full deflection downwards 120 indicates max up down deflection ff Flags Eight bits for HNAV and VNAV related flags represented as two encoded hex digits Bit 1 lsb Reserved Bit 2 Localizer detect 1 using localizer Bit 3 FROM ...

Page 96: ...o a resolution of 1 10th of a degree ddd three digit bearing in degrees ranging from 000 to 359 f 1 10th of a degree Example message PGRMV23V1654 chksm CR LF A valid bearing of 165 4 degrees FROM the active VOR station B 2 4 2 9 Decoded Station Identifier This message outputs the decoded station identifier received on the NAV voice channel This message will be output even if the station identifier...

Page 97: ...sage data Example messages PGRMV271 chksm CR LF Received an unknown NAV message PGRMC050 chksm CR LF Received a COM message with an invalid checksum B 2 4 2 11 NAV Receiver Status This message is used to output the current status of the NAV receiver It will be output at the configured rate and will output faster than the configured rate when the NAV receiver status changes Message format V Message...

Page 98: ...de The first is IDENT which will suppress the voice portion of the NAV audio signal and emphasize the Morse Code station identifier unit will display ID in the upper left corner of the NAV page The second choice is VOICE which will emphasize voice signal and suppress the Morse Code station identifier Message format V Message class This is a VHF NAV message 29 Message identifier a NAV audio mode I ...

Page 99: ...VOR LOC Frequency and Receiver Function NAV Receiver Status V 31 Set NAV Audio Mode NAV Audio Mode V 34 Set OBS Value Notes Class C GTR GNC COM message V GNC NAV message Class Ident Description Length Output Rate Comment V 20 Reset Status 12 At startup Upon request V 21 CDI VDI and Flags 18 High V 22 Decoded OBS setting 16 High V 23 Radial From Active VOR 17 High V 25 Decoded Station Identifier 18...

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Page 101: ...1 Drawing List The following drawings are included in this section Figure C 1 GTR GNC Dimensions Figure C 2 GTR GNC Mounting Rack Figure C 3 GNC Center of Gravity Figure C 4 GTR Center of Gravity Figure C 5 GTR GNC Rear Connector Layout Detail Figure C 6 Panel Cutout Detail Figure C 7 GTR Mounting Rack ...

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Page 103: ...190 01182 02 GTR 225 GNC 255 TSO Installation Manual Rev B Page C 3 Figure C 1 GTR GNC Dimensions 5 675 1 5 2 7 58 6 16 5 3 5 6 ...

Page 104: ... 255 TSO Installation Manual 190 01182 02 Page C 4 Rev B Figure C 2 GTR GNC Mounting Rack 71 1 02817 1 5 1 211 725 7 6 28 5 6 5 75 1 3 7 6 5 1 211 725 3 57 2 0 187 3 57 2 1 211 725 7 6 5 75 1 02817 1 5 66 0 3 2 9 ...

Page 105: ...R 225 GNC 255 TSO Installation Manual Rev B Page C 5 Figure C 3 GNC Center of Gravity 2 81 7 2 167 75 723 2 167 75 723 2 6 2 2876 2 167 75 723 2 127 6 0 16 216 5 1 1 6 0 16 216 5 25 5 5 1 21 1 81 7 21 1 81 7 1 167 75 ...

Page 106: ...TSO Installation Manual 190 01182 02 Page C 6 Rev B Figure C 4 GTR Center of Gravity 2 81 7 2 167 75 723 2 167 75 723 2 6 2 2876 2 167 75 723 2 75 81 7 21 75 81 7 1 167 75 127 6 0 16 216 5 1 1 6 0 16 216 5 25 5 5 1 21 ...

Page 107: ...190 01182 02 GTR 225 GNC 255 TSO Installation Manual Rev B Page C 7 Figure C 5 GTR GNC Rear Connector Layout Detail 75 1 5 5 9 2 211 725 3 7 3 3 1 3 3 1 20 1 9 5 5 ...

Page 108: ...ut Detail 237 21 67 87287 5 167 520 5217 2 5 5 7 3 1 237 21 5 2 87287 5 167 520 5217 2 5 5 7 3 1 237 21 5 2 87287 5 167 520 2 5 5 7 3 1 21 0 080 5 5 7 3 1 7 1 66 6 1 127 6 237 216 0 16 216 5 1 1 6 7 5217 3 2 7 02817 1 5 6 1 7 685 2 7 5 5 7 167580 17 3 1 7 81 7 211 7256 0 127 8 1 72 5 1 1 6 ...

Page 109: ...TSO Installation Manual Rev B Page C 9 Figure C 7 GTR Mounting Rack GTR GNC MOUNTING RACK TAB DURING INSTALLATION OF THE MOUNTING RACK ENSURE EDGE OF THE TAB BOTTOM FLANGE OF THE RACK IS FLUSH WITH THE FACE OF THE INSTURMENT PANEL ...

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Page 111: ...GTR GNC Antennas Interconnect Figure D 5 GTR GNC Audio Panel Interconnect Figure D 6 GTR GNC MIC Interconnect Figure D 7 GTR GNC VOR ILS Interconnect Figure D 8 GTR GNC Switches Interconnect Figure D 9 RMI OBI Interconnect Figure D 10 GNC King Serial DME Remote Mount Interconnect Figure D 11 Parallel 2 of 5 DME Tuning Interconnect Figure D 12 Parallel Slip Code DME Tuning Interconnect Figure D 13 ...

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Page 113: ... 725 3 20 0 8 2 20 5 027 75 16 5 20 5 027 75 16 5 6 7 20 5 027 781 83 20 5 027 781 6 7 6 20 5 027 781 2 1 0 523 21 925 2 1 9 5 1 287 32 5 5281 5 5 7 32 5 5281 3 5 0 781 1 1 9 0 20021 1 9 5 027 75 16 5 1 9 5 027 75 16 5 6 7 7 9 7 21 6 72 520 9 57 9 7 21 6 683 5 6 925 2 6 9 2 20326 7 287 1 9 6 1 5 6 5 0 2 7 0 5 48 67 20021 75 1 211 725 3 20 17 11 1 211 725 3 1 9 17 11 36 6285 56 1 8 2 3 1 20 0 20 0 ...

Page 114: ...2 1 20 8 2 2 1 9 8 2 1 1 9 8 2 1 2 925 2 8 2 287 925 2 8 2 287 2 0 8 2 1 2 20 0 20 0 8 2 1 20 8 2 2 20 8 2 5 5 7 32 5 5 5 7 32 5 5 5 7 1 5 5 7 1 9 9 21 6 86 9 5 5 7 32 5 5 5 7 1 5 5 7 5281 3 3 5 5 7 1 20 17 11 1 9 17 11 5 5 7 32 5 57 8 2 1 2 5 5 7 32 5 5 5 7 1 75 1 7 SLFDO QVWDOODWLRQ 20 17 11 1 9 17 11 5 5 7 5281 925 2 6 67 725 925 2 6 67 725 1 6 23 6 23 2 1 925 2 6 52725 1 925 2 6 52725 925 2 6 ...

Page 115: ...gure D 2 GTR GNC Typical Installation Sheet 2 of 2 127 6 5 6 25 5 5 81 66 27 5 6 63 5281 6 1 7 216 6 2 5281 5 5 0 5281 7 7 75 1 211 7 6 5281 6 72 7 211 725 6 7 6 7 50 1 7 21 66 7 1 211 7 27 5 1 2 7 6 3 5 7 5 027 48 30 17 167 7 21 5 48 5 5 5 72 85 25 32 5 1 5281 5 1 7 6 V ...

Page 116: ... 5 7 32 5 5 5 7 32 5 5 5 7 1 5 5 7 1 5 5 7 5281 72 63 00 5 72 3 00 5 5 5 7 5281 9 9 21 6 86 9 1 9 36 6RXUFH 56 287 56 1 56 1 V 9 9 9 9 9 9 9 9 5 6 25 5 5 81 66 27 5 6 63 5281 6 1 7 216 6 2 5281 5 5 0 5281 7 7 75 1 211 7 6 5281 6 72 7 211 725 6 7 6 6 6 28 66 7 1 211 7 27 5 6 5281 6 72 5 5 7 66 6 7 6 6 257 21 8 725 6 35 7 32 5 6 1 5281 6 5 5 48 5 211 725 3 6 21 33 72 7 1 237 21 211 7 21 7 1 1 21752 ...

Page 117: ...allation Manual Rev B Page D 7 Figure D 4 GTR GNC Antennas Interconnect Sheet 1 of 4 75 1 20 3 20 QWHQQD 1 9 3 925 2 6 QWHQQD 75 1 20 3 20 QWHQQD 1 9 3 6SOLWWHU 6 75 1 20 3 20 QWHQQD 1 9 3 925 2 6 QWHQQD 6 1 75 1 167 7 21 8 75 1 167 7 21 V ...

Page 118: ... B Figure D 4 GTR GNC Antennas Interconnect Sheet 2 of 4 1 20 3 20 QWHQQD 1 9 3 6 QWHQQD 6 1 1 8 1 9 17 11 167 7 21 LSOH HU 6 925 17 925 2 QWHQQD 1 20 3 1 9 3 1 20 3 1 9 3 20 QWHQQD 20 QWHQQD 6SOLWWHU 6 6 QWHQQD 925 2 QWHQQD 8 1 8 1 9 17 11 167 7 21 LSOH HU 6 925 17 ...

Page 119: ...nterconnect Sheet 3 of 4 1 1 9 3 6SOLWWHU 6 6 QWHQQD 925 2 QWHQQD 9 1 9 5 2 7 6 3 5 7 6 1 925 2 17 11 32576 6 925 2 6 QWHQQD 1 1 9 3 6SOLWWHU 6 6 1 1 27 5 5 2 1 6 1 17 11 LSOH HU 6 925 17 925 2 6SOLWWHU 6 LSOH HU 6 925 17 6 925 2 9 1 9 5 2 7 6 3 5 7 6 1 925 2 17 11 32576 6 1 1 27 5 5 2 1 8 17 11 6 ...

Page 120: ...TR GNC Antennas Interconnect Sheet 4 of 4 5 5 72 6 7 216 1 25 17 11 63 7 216 3 1 9 17 11 3257 6 21 33 72 7 1 02 50 1 3 1 0 1 5 8 76 63 77 5 3 1 6 0 86 20 17 3 5 3 1 0 86 7 3 5 6 167 5 6 520 75 7 21 33 7 216 1 6 1 925 2 17 11 6 167 7 6 5 48 5 72 2 1 7 6 1 6 2 27 17 11 6 7 7 3 5 127 6 ...

Page 121: ... 20 20 0 20 20 8 2 20 20 8 2 2 20 20 0 8 2 2 1 8 0 0 0 0 3 3 27720 3 36 1 1 5 1 50 1 30 30 30 27720 27720 6 6 5 6 6 6 5 6 0 0 0 27720 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 8 7 3 5 9 5 9 3 5 9 3 3 5 9 1 9 1 9 8 2 1 9 1 9 8 2 2 3 1 8 1 8 1 8 1 8 1 8 75 1 0 8 2 1 2 20 0 20 8 2 2 20 8 2 925 2 8 2 287 3 8 2 3 1 17 5 211 7 20 0 8 2 1 925 2 8 2 287 2 3 ...

Page 122: ... 7 72 5281 8 7 7 8 2 3 1 5 5 72 0 18 785 5 6 2 80 17 7 21 25 203 7 3 1287 1 17 5 211 7 1 250 7 21 3 12876 2 27 5 81 76 6 2 1 25 5 5 1 21 6 6 25 8 2 6 6 28 5281 7 21 1 7 6 66 7 1 1 6 1 7 2 7 1 7 7 27 5 1 6 8 2 6 55 7 528 6 211 7 55 7 6 5281 7 528 7 6 211 7 21 6 3 5 7 3 1 211 7 1 7 2 0 523 21 6 72 0 8 2 2 7 7 6 0 7 0 0 5 68 7 1 25 67257 8 2 0 62 7 21 5 6 5 5 200 1 62 7 7 21 21 0 6 7 9 7 7 0 63 ȍ 20 ...

Page 123: ...2 0 20 8 2 2 3 27 6 7 23 27 6 7 127 6 5 6 25 5 5 81 66 27 5 6 63 5281 6 1 7 216 6 2 5281 5 5 0 5281 7 17 5 20 21 2 6 7 6 1 237 21 6 7 7 7 0 167 72 1 6 7 75 1 17 5 20 81 7 21 7 51 7 7 17 5 20 0 1 6 9 7 81 7 21 0 18 237 216 21 7 75 1 V V 63 5 8 2 287 63 5 8 2 287 2 2 3 7 63 5 3 75 1 21 2 17 5 20 6 725 6 7 237 21 17 5 20 1 V 8 8 2 1 9 8 8 2 1 9 1 8 XGLR 6RXUFH L H PXVLF 0 8 2 287 8 2 287 2 ...

Page 124: ...6 26 2 6 26 2 6 23 2 1 2 6 2 6 2 6 6 1 2 2 6 6 1 925 2 20326 7 6 1 5 83 6 23 3 3 3 3 3 3 3 3 3 3 Q M H 6 1 P N F 3 7 P N Q M H 6 1 F 3 7 1 925 2 7 925 2 5 7 925 2 72 925 2 520 925 2 925 2 925 2 6 67 725 925 2 6 67 725 1 6 23 6 23 2 1 925 2 6 52725 1 925 2 6 52725 925 2 6 67 725 1 925 2 6 67 725 925 2 20326 7 287 6 1 5 6 23 83 6 23 3 V V V V V V V V V 1 1 50 1 ...

Page 125: ... 2 of 2 5 6 25 5 5 81 66 27 5 6 63 5281 6 1 7 216 6 2 5281 5 5 0 5281 7 1 211 7 6 5281 6 72 7 211 725 6 7 6 7 50 1 7 21 6 6 28 66 7 1 211 7 27 5 1 2 7 6 3 5 7 5 027 48 30 17 167 7 21 5 48 5 0 176 5 5 72 0 18 785 5 6 2 80 17 7 21 25 203 7 3 1287 1 17 5 211 7 1 250 7 21 3 12876 2 27 5 81 76 6 2 1 25 5 5 1 21 127 6 V ...

Page 126: ...75 16 5 7 67 1 20 5 48 1 72 7 7 9 20 5 48 1 9 5 027 6 7 0 237 21 86 5 6 7 3 1 20 5 027 781 83 1 20 5 027 781 2 1 1 86 72 6 52 7 528 67 2 35 6 7 20 5 48 1 6 0 237 21 86 7 2 5 6 7 6 3 1 7 51 7 9 1 21 2 21 6 7 5 1 6 7 3 1 1 86 7 17 5 20 21 2 6 7 6 1 237 21 6 7 7 7 0 167 72 1 6 7 75 1 17 5 20 81 7 21 7 51 7 7 17 5 20 0 1 6 9 7 81 7 21 0 18 237 216 21 7 75 1 0 237 21 86 5 6 7 3 1 9 2 5 027 75 16 5 1 86...

Page 127: ... V 5 6 25 5 5 81 66 27 5 6 63 5281 6 1 7 216 6 2 5281 5 5 0 5281 7 1 211 7 6 5281 6 72 7 211 725 6 7 6 7 50 1 7 21 6 6 28 66 7 1 211 7 27 5 1 2 7 6 3 5 7 5 027 48 30 17 167 7 21 5 48 5 0 176 12 6 7 50 1 7 21 5 48 5 0 17 676 25 7 5 027 48 30 17 7 50 1 7 6 6 6 6 257 6 3266 127 72 6 6 7 21 7 5 5 72 0 18 785 5 6 2 80 17 7 21 25 203 7 3 1287 1 17 5 211 7 21 85 7 21 1 250 7 21 3 12876 2 27 5 81 76 6 2 1...

Page 128: ...e Mount Interconnect Sheet 1 of 2 5 027 0 0 5 48 67 2 86 7 86 1 6 5 0 5 027 02817 1 1 1 3 0 1 725 51 9 5 48 67 2 86 7 86 1 1 3 3 1 9 20021 0 5 48 67 1 9 20021 3 6 5 0 51 9 5 4 6 5 0 7 6 5 0 2 1 1 9 0 20021 V V V 3 6 5 0 51 9 5 4 6 5 0 7 6 5 0 2 1 1 9 0 20021 V V V 0 3 7 7 6 7 1 V V V V V V V V V V V V V V V ...

Page 129: ...6 63 5281 6 1 7 216 6 2 5281 5 5 0 5281 7 1 211 7 6 5281 6 72 7 211 725 6 7 6 7 50 1 7 21 6 6 28 66 7 1 5 5 72 0 18 785 5 6 2 80 17 7 21 25 203 7 3 1287 1 17 5 211 7 1 250 7 21 3 12876 2 27 5 81 76 6 2 1 25 5 5 1 21 7 1 0 21 85 7 167 7 21 72 287387 1 6 5 0 781 1 7 81 5 7 0 11 02 5 5 72 6 7 21 7 25 21 85 7 21 6 77 1 6 25 6 1 1 167 7 216 5 6 6 2 1 25 1 127 6 V ...

Page 130: ...ionally left blank Figure D 11 Parallel 2 of 5 DME Tuning Interconnect Sheet 1 of 2 0 0 0 0 0 0 2 6 7 6 3 2 6 7 0 0 20021 2 6 7 0 1 5 2 0 1 5 2 0 2 16 0 2 16 0 3 3 3 3 1 1 1 0 3 1 3 5 0 0 3 5 0 0 3 5 0 0 3 5 0 0 6 5 0 21 3 5 0 0 3 5 0 6 5 0 2 3 5 0 3 5 0 0 20021 3 5 0 3 5 0 3 5 0 1 1 3 ...

Page 131: ...87 1 17 5 211 7 1 250 7 21 3 12876 2 27 5 81 76 6 2 1 25 5 5 1 21 5 5 72 6 7 21 7 25 1 21 85 7 21 6 77 1 6 7 1 6 28 21 85 25 3 5 0 11 1 02 25 3523 5 23 5 7 21 7 7 6 02 2 0 75 16 9 5 7 1 6 28 21 85 25 1 5 2 0 11 1 02 25 3523 5 23 5 7 21 7 7 6 02 2 0 75 16 9 5 0 6 28 675 33 25 781 1 5 5 72 0 167 7 21 0 18 25 675 33 1 1 250 7 21 25 8 1 17 5 6 72 7 0 7 0 1 66 5 72 167 72 6 7 25 7 µ 0 20021 1387 167 6 ...

Page 132: ... 3 5 0 0 20021 3 5 0 3 5 0 0 0 0 0 0 20021 3 5 6 25 5 5 81 66 27 5 6 63 5 5 72 0 18 785 5 6 2 80 17 7 21 25 203 7 3 1287 1 17 5 211 7 1 250 7 21 3 12876 2 27 5 81 76 6 2 1 25 5 5 1 21 7 1 6 28 21 85 72 287387 6 3 2 0 781 1 7 25 3523 5 23 5 7 21 1 7 6 21 85 7 21 5 5 72 6 7 21 25 21 85 7 21 6 77 1 6 25 8 1 17 5 6 72 7 0 7 0 1 66 5 72 167 72 6 7 25 7 µ 0 20021 1387 167 6 7 6 6 2 1 25 1 6 5 3 1 0 17 5...

Page 133: ... D 13 GNC King Serial DME Panel Mount Interconnect Sheet 1 of 2 0 75 16 9 5 51 9 11 5 4 2 86 7 86 3 6 5 0 51 9 5 4 6 5 0 7 6 5 0 2 1 1 6 5 0 3 1 02817 0 1 1 1 1 3 3 3 0 20021 0 20021 1 9 1 9 1 9 6 7 21 6 3 6 5 0 51 9 5 4 6 5 0 7 6 5 0 2 1 0 20021 V V V V V V V V V V V V V V V ...

Page 134: ... 17 167 7 21 5 48 5 0 176 12 6 7 50 1 7 21 5 48 5 0 17 676 25 7 5 027 48 30 17 7 50 1 7 6 6 6 6 257 6 3266 127 72 6 6 7 21 7 5 5 72 0 18 785 5 6 2 80 17 7 21 25 203 7 3 1287 1 17 5 211 7 1 250 7 21 3 12876 2 27 5 81 76 6 2 1 25 5 5 1 21 7 1 0 21 85 7 167 7 21 72 287387 1 6 5 0 781 1 7 81 5 7 0 11 02 5 5 72 6 7 21 7 25 21 85 7 21 6 77 1 6 7 1 9 6 7 21 6 7 6 21 5 48 5 7 2 1 6 5 167 25 6 1 1 167 7 21...

Page 135: ...27 6 V 3 75 1 50 1 8 V V 56 287 56 5281 56 1 56 1 3 V 5 1 287 5 1 287 5 1 1 5 1 1 3 8 36 326 7 21 25 5 1 72 75 1 6 127 6833257 1 620 9 56 216 2 8 62 7 5 62 7 0 35 5 72 87 7 5 1 17 5 72 2 7 56 3257 72 86 25 36 6285 21 85 7 8 72 86 1 56 1 9 5 2 68 6 1 6 5 5 72 7 8 167 7 21 0 18 25 56 21 85 7 21 7 6 25 1 8 167 7 216 86 1 5 1 6 7 2856 1387 72 7 1 6 127 3529 7 8 1 7 6 21 85 7 21 21 85 7 1 1 725 7 3 72 ...

Page 136: ...281 56 1 56 1 3 5 6 25 5 5 81 66 27 5 6 63 5281 6 1 7 216 6 2 5281 5 5 0 5281 7 75 1 211 7 6 5281 6 72 7 211 725 6 7 6 7 50 1 7 21 6 6 28 66 7 1 211 7 27 5 1 2 7 6 3 5 7 5 027 48 30 17 167 7 21 5 48 5 0 176 5 5 72 50 1 167 7 21 2 80 17 7 21 25 203 7 3 1287 1 17 5 211 7 1 250 7 21 127 6 V 50 1 71 3 75 1 56 1 V 56 287 56 287 56 1 56 1 3 3 50 1 16 ...

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Summary of Contents for GNC 255

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Garmin GNC 255, Installation Manual, Page: 7 / 138

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Summary of Contents for GNC 255

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