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Garmin Apollo CNX80, Installation Manual

The Garmin Apollo CNX80 is a powerful aviation navigation system that offers advanced features for pilots. Ensure a smooth installation process by downloading the Installation Manual for free from our website. This manual provides detailed instructions on setting up and using the CNX80 to its full potential.

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Table of Contents 

iv 

560-0982-00 Rev D 

Apollo CNX80 Installation Manual 

2.8.1 P

OWER

........................................................................................................................................2-23 

2.8.2 M

AIN 

C

OURSE 

D

EVIATION 

I

NDICATOR

..........................................................................................2-23 

2.8.3 A

UXILIARY 

C

OURSE 

D

EVIATION 

I

NDICATOR

..................................................................................2-24 

2.8.4 C

OMPOSITE 

I

NDICATOR

................................................................................................................2-25 

2.8.5 A

LTIMETER

.................................................................................................................................2-26 

2.8.6 S

YNCHRO 

H

EADING

.....................................................................................................................2-26 

2.8.7 A

NNUNCIATOR 

O

UTPUTS

..............................................................................................................2-27 

2.8.8 D

ISCRETE 

O

UTPUTS

.....................................................................................................................2-29 

2.8.9 S

WITCHES 

/

 

D

ISCRETE 

I

NPUTS

.......................................................................................................2-30 

2.8.10 S

ERIAL 

I

NTERFACES

.....................................................................................................................2-32 

2.8.11 T

IME 

M

ARK 

O

UTPUT

....................................................................................................................2-35 

2.8.12 VHF

 

C

OM

...................................................................................................................................2-35 

2.8.13 VHF

 

N

AV

....................................................................................................................................2-36 

2.8.14 M

ESSAGE 

A

UDIO

..........................................................................................................................2-37 

2.8.15 RMI

 

/

 

OBI...................................................................................................................................2-37 

2.8.16 DME

 

T

UNING

..............................................................................................................................2-38 

2.9 A

NTENNA 

I

NSTALLATION AND 

C

ONNECTIONS

........................................................................................2-39 

2.9.1 C

OMM 

A

NTENNA

.........................................................................................................................2-39 

2.9.2 GPS

 

A

NTENNA

............................................................................................................................2-39 

2.9.3 NAV

 

A

NTENNA

...........................................................................................................................2-40 

2.10 W

EIGHT AND 

B

ALANCE

.....................................................................................................................2-41 

2.11 E

LECTRICAL 

L

OAD 

A

NALYSIS

...........................................................................................................2-41 

3 P

OST 

I

NSTALLATION 

C

ONFIGURATION 

&

 

C

HECKOUT 

P

ROCEDURES

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

3.1 M

OUNTING AND 

W

IRING 

C

HECK

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

3.2 E

QUIPMENT 

S

ETUP AND 

C

ONFIGURATION

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

3.2.1 S

ETUP 

F

UNCTION

...........................................................................................................................3-2 

3.3 E

QUIPMENT 

O

PERATIONAL

/F

UNCTIONAL 

T

EST

.........................................................................................3-9 

3.3.1 CNX80

 

C

HECKOUT 

U

TILITIES

........................................................................................................3-9 

3.3.2 S

YSTEM 

C

HECKOUT 

–

 

G

ROUND 

C

HECKS

.......................................................................................3-20 

3.3.3 S

YSTEM 

C

HECKOUT 

–

 

F

LIGHT 

C

HECKS

..........................................................................................3-30 

3.4 D

ATABASE 

C

HECK

................................................................................................................................3-31 

3.4.1 D

ATA 

C

ARD 

R

EPLACEMENT

..........................................................................................................3-31 

4 T

ROUBLESHOOTING

...................................................................................................................................4-1 

4.1 T

ROUBLESHOOTING 

P

ROCEDURE

.............................................................................................................4-1 

4.2 C

ONTACTING THE 

F

ACTORY FOR 

A

SSISTANCE

..........................................................................................4-4 

5 L

IMITATIONS

.............................................................................................................................................5-1 

5.1 O

PERATION

.............................................................................................................................................5-1 

5.2 I

NSTALLATION

........................................................................................................................................5-1 

5.2.1 GPS

 

A

NTENNA

..............................................................................................................................5-1 

5.2.2 A

NTENNA 

I

NSTALLATION 

–

 

G

ENERAL

.............................................................................................5-1 

5.2.3 E

QUIPMENT 

I

NTERFACED TO THE 

CNX80........................................................................................5-1 

5.2.4 P

RESERVATION OF 

P

REVIOUS 

S

YSTEMS

...........................................................................................5-2 

5.3 A

IRCRAFT 

R

ADIO 

S

TATION 

L

ICENSE

.........................................................................................................5-2 

6 P

ERIODIC 

M

AINTENANCE

...........................................................................................................................6-1 

6.1 E

QUIPMENT 

C

ALIBRATION

.......................................................................................................................6-1 

6.2 VOR

 

C

HECKS

.........................................................................................................................................6-1 

6.3 C

LEANING

..............................................................................................................................................6-1 

6.4 B

ATTERY 

R

EPLACEMENT

.........................................................................................................................6-1 

6.5 D

ISPLAY 

B

ACKLIGHT

...............................................................................................................................6-1 

APPENDIX A

 

-

 

C

ERTIFICATION 

D

ATA

..................................................................................................................1 

A.1 E

NVIRONMENTAL 

Q

UALIFICATION

..............................................................................................................1 

A.2 CNX80

 

STC

 

D

ATA

....................................................................................................................................2 

Summary of Contents for Apollo CNX80

Page 1: ...Apollo CNX80 Installation Manual September 2003 560 0982 00 Rev D...

Page 2: ...closed herein includes trade secrets and confidential business and or financial information and falls within exemption b 4 of 5 USC 552 FOIA and the prohibitions of 18 USC 1905 Garmin AT is a trademar...

Page 3: ...1 03 Updated information to reflect version 1 2 changes ORDERING INFORMATION To receive additional copies of Apollo CNX80 publications order the following part numbers CNX80 Installation Manual 560 09...

Page 4: ...0 1 4 0 2 23 0 3 18 00D B 8 0 D 21 00D 1 5 00D 2 24 0 3 19 00D B 9 0 D 22 0 1 6 0 2 25 00B 3 20 00D B 10 0 D 23 00D 1 7 0 2 26 00D 3 21 00D B 11 0 D 24 0 1 8 0 2 27 00D 3 22 00D B 12 0 D 25 00D 1 9 0...

Page 5: ...1 15 1 4 4 CNX80 STC AUTHORIZATION 1 15 1 5 DATABASE UPDATES 1 15 1 6 UNPACKING THE EQUIPMENT 1 16 1 7 PACKAGE CONTENTS 1 17 1 8 LICENSE REQUIREMENTS 1 18 1 9 DEFINITIONS ACRONYMS 1 19 2 INSTALLATION...

Page 6: ...ATION CHECKOUT PROCEDURES 3 1 3 1 MOUNTING AND WIRING CHECK 3 1 3 2 EQUIPMENT SETUP AND CONFIGURATION 3 1 3 2 1 SETUP FUNCTION 3 2 3 3 EQUIPMENT OPERATIONAL FUNCTIONAL TEST 3 9 3 3 1 CNX80 CHECKOUT UT...

Page 7: ...T AVAILABLE FROM GARMIN AT 1 18 TABLE 2 1 CRIMP TOOL FOR P N 162 0082 2 2 TABLE 2 2 CRIMP TOOL FOR P N 245 0027 2 2 TABLE 2 3 INTERFACE CONNECTORS 2 15 TABLE 2 4 CRIMP CONTACT SPECIFICATIONS 2 15 TABL...

Page 8: ...L PORT SETUP PAGE 3 2 FIGURE 3 3 ARINC 429 PORTS SETUP PAGE 3 4 FIGURE 3 4 RESOLVER INTERFACE SETUP PAGE 3 5 FIGURE 3 5 RESOLVER CALIBRATION PAGE 3 6 FIGURE 3 6 ALTIMETER INTERFACE 3 7 FIGURE 3 7 BARO...

Page 9: ...URE D 7 DME TUNING INTERCONNECT DIAGRAM 15 FIGURE D 8 S TEC AUTOPILOT INTERCONNECT DIAGRAM 17 FIGURE D 9 CENTURY AUTOPILOT INTERCONNECT DIAGRAM 19 FIGURE D 10 BENDIX KING AUTOPILOT INTERCONNECT DIAGRA...

Page 10: ...Table of Contents viii 560 0982 00 Rev D Apollo CNX80 Installation Manual NOTES...

Page 11: ...LITY information Includes INTERCONNECT DIAGRAMS Provides a listing of ACCEPTABLE AIRCRAFT BY EVALUATION for those aircraft that have been evaluated by the FAA Provides a listing of OPTIONAL ACCESSORIE...

Page 12: ...GPS Nav Com 1 2 1 FEATURES The features of the CNX80 Color GPS Nav Com include 10 36 VDC Power Capability Sunlight readable 256 color 3 8 diagonal LCD display GPS WAAS engine for state of the art fast...

Page 13: ...RFACES The interfaces for a typical single CNX80 avionics stack are shown in Figure 1 2 while the interfaces for a typical dual CNX80 avionics stack are shown in Figure 1 3 The available interfaces ar...

Page 14: ...upon VHF Nav or GPS data The CNX80 also accepts a resolver input from this CDI The CNX80 is capable of driving a second external CDI with information based upon GPS data 1 2 2 2 Composite Indicator Th...

Page 15: ...The CNX80 has one user configurable bi directional RS422 input port This port is not currently used 1 2 2 8 ARINC 429 Interfaces The CNX80 has three ARINC 429 input ports and two ARINC 429 output por...

Page 16: ...mA typical 900 mA max at 28 VDC receive 2 1 A typical 3 2 A max at 14 VDC transmit 1 0 A typical 1 6 A max at 28 VDC transmit Note receive max at full receive audio transmit max at 90 modulation at 1...

Page 17: ...r to a value 0 2 fL 1 3 5 GPS WAAS RECEIVER PERFORMANCE TSO Compliance TSO C146a RTCA DO 229C Number of channels 15 12 GPS and 3 GPS WAAS SBAS Frequency 1575 42 MHz L1 C A code Sensitivity acquisition...

Page 18: ...de 1 3 7 COMM TRANSMITTER PERFORMANCE TSO Compliance TSO C37d RTCA DO 186 DO 186a TSO C128 RTCA DO 207 Class 4 Output power 8 watts minimum carrier at 12 VDC input 6 watts minimum at 10 VDC input tran...

Page 19: ...ne ratio shall not be less than15 dB Audio response Less than 6 dB variation from 350 Hz to 2500 Hz 1 3 8 2 Localizer TSO compliance TSO C36e RTCA DO 195 Operational class A manual landing systems Acc...

Page 20: ...deviation 150 mv full scale 200 load max TO OFF FROM flag 250 mv TO FROM 200 load max Nav valid flag 300 mv for valid indication 200 load max Nav superflag Vin 2 volts minimum for valid source capabi...

Page 21: ...3 9 3 Composite Output 1 3 9 3 1 VOR Mode Band pass frequency 0 Hz to 15 kHz Variation over frequency range Less than 2 dB Output signal voltage 0 500 VRMS Output loading 1 000 ohms max 1 3 9 3 2 LOC...

Page 22: ...575 MHz Polarization Right Hand Circular Axial Ratio 3 dB Max at bore site Radiation Coverage Elevation Angle Minimum Gain 15 2 0 dBic 10 3 0 dBic 5 4 5 dBic 0 7 5 dBic Finish Polyurethane Enamel Weig...

Page 23: ...t Hand Circular Axial Ratio 3 dB Max at bore site Radiation Coverage Elevation Angle Minimum Gain 15 2 0 dBic 10 3 0 dBic 5 4 5 dBic 0 7 5 dBic Finish Polyurethane Enamel Weight 7 0 oz 0 2 kg Height 0...

Page 24: ...thin the Radio Frequency Range of 108 112 Megahertz MHz TSO C37d VHF Radio Communications Receiving Equipment Operating Within the Radio Frequency Range 117 975 to 137 000 Megahertz TSO C38d VHF Radio...

Page 25: ...document 560 0988 00 for data regarding CNX80 STC authorization 1 5 DATABASE UPDATES The CNX80 utilizes a database stored on a Compact Flash Memory datacard for easy updating and replacement The datab...

Page 26: ...ert or remove the data card within 10 seconds after the CNX80 is turned on 1 6 UNPACKING THE EQUIPMENT Carefully unpack the equipment Visually inspect the package contents for any evidence of shipping...

Page 27: ...X80 Computer Based Training 560 5047 xx A34 GPS Antenna Installation Guide 561 0281 xx CNX80 Quick Reference Guide 424 2014 8xx 1 CNX80 Installation Kit see Table 1 3 for detail 424 2016 xxx 1 CNX80 H...

Page 28: ...X 075 Note Hardware Kit items may optionally be provided loose as part of the Installation Kit Table 1 5 Optional Equipment Available from Garmin AT Item Description 115 0007 Splitter 2 way 50 BNC NAV...

Page 29: ...tem LCD Liquid Crystal Display LNAV Lateral Navigation LOC Localizer MFD Multi Function Display NAV VHF Navigation NDB Non Directional Beacon OBS Omni Bearing Selector PDA Personal Digital Assistant P...

Page 30: ...General Information 1 20 560 0982 00 Rev D Apollo CNX80 Installation Manual NOTES...

Page 31: ...AA Form 337 The WAAS GPS installation instructions have been prepared to meet the guidance material defined in AC20 138A Final Draft Airworthiness Approval of Global Navigation Satellite System GNSS E...

Page 32: ...itary number Insertion Extraction tool CIET 22D 271 7048 000 M81969 14 01 Crimp tool 995 0001 584 M22520 2 01 Positioner N A M22520 2 09 Table 2 2 Crimp Tool for P N 245 0027 Description ITT Cannon P...

Page 33: ...high D S1 COS input high G S2 SIN input low Any electrical zero crossing will work because the CNX80 will calibrate out any errors External non numeric glideslope indicator installed in the pilot s pr...

Page 34: ...as described below 2 5 2 1 Multiple Altitude Sources The CNX80 can accept altitude from an RS232 altitude encoder fuel air data computer FADC ARINC 429 air data computer ADC an SL70 SL70R transponder...

Page 35: ...f the above sources Data received on the CNX80 cross talk input is treated as if it is received directly from the source that is supplying baro correction to the second CNX80 If the direct input and t...

Page 36: ...CNX80 is within 13 8 inches to the right of the centerline and the bottom edge of the CNX80 is in the acceptable area the CNX80 is considered within the acceptable field of view 3 If the CNX80 is moun...

Page 37: ...n this area to use the CNX80 internal source annunciation Pilot s Instrument T Instrument T Centerline 13 in Glareshield 1 NOTES 1 FOR AIRCRAFT WITHOUT THE BASIC INSTRUMENT T CONFIGURATION THE CENTER...

Page 38: ...ector plate After installing the mounting tube attach the assembled connector Route the wiring bundle as appropriate Use 22 to 24 AWG wire for all connections except for power Use 20 AWG for power gro...

Page 39: ...he mounting tube to the instrument panel structure using AN507 6 32 screws with a 100 countersink head It is recommended that the installer use eight screws four on each side The mating holes in the i...

Page 40: ...re floating or have slight movement NOTE The washer must be installed with the smooth rounded surface facing the RF connector otherwise the RF connectors may bind when the screws are tightened To furt...

Page 41: ...Installation Procedures Apollo CNX80 Installation Manual 560 0982 00 Rev D 2 11 Figure 2 3 CNX80 Dimensions...

Page 42: ...oles on the bottom of the connector plate keeping the ground leads to a maximum of 3 inches long 2 6 2 UNIT INSERTION Position the cam lock as shown below The front lobe of the cam should be vertical...

Page 43: ...bezel It is not recommended that you pull the unit out by the rotary knobs No special extraction tools are required if the mounting tube is properly installed 2 6 4 UNIT REPLACEMENT Whenever the CNX8...

Page 44: ...Installation Procedures 2 14 560 0982 00 Rev D Apollo CNX80 Installation Manual Figure 2 6 Mounting Frame Assembly...

Page 45: ...antenna 162 1008 Coax Plug right angle mnt N A N A P4 Com I O 162 1575 15 Pin D Sub Receptacle 245 0027 20 24 AWG socket contact P5 I O Expansion 162 0109 78 Pin D Sub Plug 162 0082 22 28 AWG pin cont...

Page 46: ...OR DEFINITION Figure 2 7 Rear Mounting Tube Connector Layout NOTE The rear connector plate is shown with right angle RF connectors Straight RF connectors with female BNC connections Garmin AT P N 162...

Page 47: ...In COM Flip Flop discrete input active low 2 8 9 2 15 I UP Discrete In Activate COM User list and scrolls up active low 2 8 9 5 16 I Power Main Aircraft Power Input 10 to 36 VDC 2 8 1 17 O Time Mark O...

Page 48: ...Main Aircraft Power Input 10 to 36 VDC 2 8 1 2 RESERVED RESERVED 3 RESERVED RESERVED 4 I PTT Push To Talk Transmit Key active low 2 8 9 4 5 RESERVED RESERVED 6 O Com Speaker Out Speaker output high l...

Page 49: ...I Clock Digital OBI Clock 2 8 15 1 17 O OBI Data Digital OBI Data 18 I Hdg Synchro Y Heading Synchro Input Y 2 8 6 19 I Hdg Synchro X Heading Synchro Input X 20 I Hdg Synchro Ref Hi Heading Synchro Re...

Page 50: ...0 O Dead Reck Annunciate Dead Reckoning Annunciator active low 2 8 7 3 61 O Approach Annunciate Approach Active Annunciator active low 2 8 7 4 62 O Parallel Track Annc Parallel Track Annunciator activ...

Page 51: ...E RMI Z Y X H B B A A A A R B B T T R Discrete Outputs 2 3 2 C H 7 8 4 2 9 I N 3 4 2 9 I N 2 4 2 9 I N 1 R S V D 4 2 9 O U T 2 4 2 9 O U T 1 2 3 2 C H 5 C SYNCRO R S V D B A R O S R S V D G D U V F T...

Page 52: ...DI Right CDI Right output 14 O Main CDI Left CDI Left output 15 O Back Course Out active low output when reverse sensing is engaged 2 8 7 2 16 O OBS_ F S4 OBS OBS Resolver input pin from channel F SIN...

Page 53: ...teral and vertical deviation from selected course lateral and vertical flags and superflags and TO FROM indications The CDI key on the bezel of the CNX80 is used to toggle between the display of GPS a...

Page 54: ...er input should be compatible with a standard 6 wire OBS interface Any electrical zero crossing will work because the SL30 will calibrate out any errors P7 7 OBS_ D S1 COS input high P7 16 OBS_ F S4 S...

Page 55: ...I TO P5 48 Aux CDI FROM The TO FROM output provides 250 mV and is capable of driving up to a 200 load i e up to a maximum of five 1k loads connected in parallel 2 8 3 3 Flags P5 49 Aux CDI Valid P5 54...

Page 56: ...ut 2 8 6 SYNCHRO HEADING The CNX80 accepts heading information using either a synchro input or serially using either RS232 or ARINC 429 inputs Refer to section 2 8 10 for additional information on the...

Page 57: ...is being used as the navigation source to drive the Main CDI and open otherwise The NAV Indicator Out P7 18 will be grounded when VOR ILS is being used as the navigation source to drive the Main CDI...

Page 58: ...cing of waypoints in the active flight plan has been suspended either manually by the user or automatically by the CNX80 If an external annunciator is used for suspend annunciation it is recommended t...

Page 59: ...t is grounded when navigating within 30 nmi of the departure or arrival airport or on a SID or STAR If an external annunciator is used for terminal mode annunciation it is recommended that the termina...

Page 60: ...8 4 Power Control Out P7 36 Power Control Out The Power Control Out is grounded whenever power is applied to the CNX80 and open otherwise 2 8 9 SWITCHES DISCRETE INPUTS NOTE Installations in conforman...

Page 61: ...P Discrete In P1 15 causes the highlighted frequency to move up to the next frequency in the list A momentary ground on the DOWN Discrete In P1 33 causes the highlighted frequency to move down to the...

Page 62: ...1 8 RS422 TxD4 P7 3 Ground P1 10 RS422 TxD4 NOTE In order for a serial port to function correctly the baud rate of the Rx and Tx channels on a given RS232 or RS422 port must be the same This must be c...

Page 63: ...urations and information on configuring the serial ports 2 8 10 2 ARINC 429 The CNX80 provides three ARINC 429 inputs and two ARINC 429 outputs Each of these may be configured for low speed or high sp...

Page 64: ...itude BCD 042 Set Longitude BCD 074G Data Record Header 075G Active Wpt From To Data 100 Selected Course 1 100G Selected Course 1 113G Message Checksum 114 Desired Track True 115 Waypoint Bearing True...

Page 65: ...pment Hex ID Code Refer to section 3 2 1 2 for information on configuring the ARINC 429 outputs 2 8 11 TIME MARK OUTPUT P1 17 Time Mark Out P1 19 Time Mark Out The Time Mark Out is a differential outp...

Page 66: ...signed for a standard carbon or dynamic mic with integrated pre amp providing minimum 70 mv rms into 1000 load The CNX80 provides a bias voltage to the microphone 2 8 12 3 Push to Talk PTT P4 4 PTT Th...

Page 67: ...dio messages to be inhibited by higher priority systems Refer to Appendix D for interconnect information 2 8 14 1 Message Audio Out P5 40 Message Audio Out P5 43 Message Audio Gnd The Message Audio Ou...

Page 68: ...ion If a localizer channel is tuned on the CNX80 Nav receiver the bearing data is flagged as invalid 2 8 16 DME TUNING The CNX80 can channel a DME based upon the tuned VOR frequency The CNX80 outputs...

Page 69: ...nches from other antennas emitting less than 25 watts and two feet from higher power antennas See A 33 GPS Antenna Installation Manual p n 560 0949 xx for more information on GPS antenna installation...

Page 70: ...notch filter may be installed in series with the antenna coax of the VHF comm transceiver to reduce or eliminate the harmonic interference A notch filter for this use part 162 1059 is available from G...

Page 71: ...r the installation of the CNX80 Follow the guidelines as established in AC 43 13 1B Chapter 10 section 2 Make appropriate entries in the equipment list indicating items added removed or relocated alon...

Page 72: ...lo CNX80 Installation Manual NOTE Circuits should be protected in accordance with guidelines in AC 43 13 1B chapter 11 section 2 paragraph 429 Power inputs should be across a minimum of all four speci...

Page 73: ...e 3 2 EQUIPMENT SETUP AND CONFIGURATION Prior to system operation the CNX80 must be configured for the particular installation using the setup functions provided The system setup and checkout function...

Page 74: ...he small inner knob in to enter the editing mode The first editable item will be highlighted Use the large outer knob to select the next or previous editable data field and turn the small inner knob t...

Page 75: ...one None 2 FADC 9600 MAPCOM 9600 CNX80 38400 CNX80 38400 None None None None 3 IrDA 9600 115200 IrDA 9600 115200 None None 4 None None 5 SL30 9600 MAPCOM 9600 FADC 9600 MAPCOM 9600 Alt Enc 1200 9600 N...

Page 76: ...ports set to NONE Either press the Cursor knob in again or press the MENU ENTER key to save the settings Press the SETUP or BACK smart key to return to the Ground Maintenance SETUP menu The available...

Page 77: ...utomatically be changed to INSTALLED 2 Press the 10 30 line select key to toggle between 10 and 30 degrees for the calibration increment NOTE An increment of 30 degrees should be acceptable for most i...

Page 78: ...and baro corrected altitude from an FADC which may be desirable in certain installations While on the Ground Maintenance SETUP menu page press the BARO line select key Press the top line select key to...

Page 79: ...to INSTALLED 2 Follow the instructions on the display for calibrating the baro potentiometer If the CNX80 will not accept the calibration when the MENU ENTER key is pressed there may be a problem wit...

Page 80: ...ress the EDIT RF SQUELCH line select key Turn the small inner knob to adjust the squelch value the RF Squelch value is restricted to a number from 25 to 100 When the desired value is selected press th...

Page 81: ...y Once the wiring is verified perform the System Checkout 3 3 2 3 3 1 CNX80 CHECKOUT UTILITIES 3 3 1 1 Test Function The Test function allows the checkout of the display controls and I O of the CNX80...

Page 82: ...press the FLAGS line select key to display the FLAG test page Press the SELECT line select key to toggle between MAIN and AUX CDI flag tests as shown in Figure 3 10 and Figure 3 11 respectively Figur...

Page 83: ...drives the external CDI needle full scale left i e output set to 150 mV left CDI MID TEST drives the external CDI needle to the center i e output set to 0mV CDI RIGHT TEST drives the external CDI need...

Page 84: ...VDI needle up and then down VDI Down Test drives the external VDI needle full scale down i e output set to 150mV down VDI Mid Test drives the external VDI needle to center i e output set to 0mV VDI U...

Page 85: ...PUT TEST page allows testing of each of the annunciator outputs While on the TEST menu page press the LAMP OUTPUT TEST line select key to display the LAMP OUTPUT Page The LAMP OUTPUT page is shown in...

Page 86: ...nciator that is used verify proper operation by turning the annunciator ON and OFF Press the TEST or BACK smart key to return to the Ground Maintenance Test menu 3 3 1 1 5 Display Test The Display Tes...

Page 87: ...matically advance to the next key knob and will show a FAIL message upon completion of the test Repeat the test carefully to ensure that the keys and knobs are actuated within the required time NOTE O...

Page 88: ...ause of this the capability to set the ground speed using the small inner knob has also been provided although it will not be required for all autopilots For installations with roll steering engage th...

Page 89: ...n each of the serial inputs and allows the serial data that is being received on a particular input to be monitored Turn the large outer knob to select the input to be monitored The currently selected...

Page 90: ...hanges from a 0 to a 1 when activated the CDI Select input will momentarily change to a T when exercised For each CNX80 serial input that is used verify that data is being received If no data is being...

Page 91: ...input is grounded P5 76 Suspend In P5 76 0 in input is open 1 if input is grounded P5 77 Audio Inhibit In P5 77 0 in input is open 1 if input is grounded P5 78 RESERVED P5 78 0 in input is open 1 if i...

Page 92: ...will be saved and updated automatically so it will not be necessary to re enter the information at every start up If the CNX80 is moved a great distance without being turned on the seed position may h...

Page 93: ...to accept the changes and then press the MENU ENTER key again to acknowledge the STOP message NOTE GPS acquisition may take up to 20 minutes after a Master GPS Reset is performed 3 3 2 1 2 GPS Operat...

Page 94: ...t displayed b Press the COM bezel key and tune the CNX80 Com to 121 125 MHz Listen on the frequency to ensure it is not in use and then transmit for 30 seconds NOTE When the mic has been keyed for 35...

Page 95: ...f the com unit ELT s may re radiate harmonics of the VHF Com signal into the GPS band A 1575 42 MHz notch filter on the ELT will solve this NOTE Older VHF Com transmitters may emit higher levels of ha...

Page 96: ...ut to verify that systems interfacing to the CNX80 are communicating properly 3 3 2 4 1 CNX80 Message Audio The CNX80 can annunciate audio messages through an audio panel This check verifies that the...

Page 97: ...NX80 should be within 0 03 Hg 1 mB of the altimeter setting 3 3 2 4 3 Air Data Computer Altitude Encoder and Fuel Air Data Computer The CNX80 can receive altitude or fuel air data from an external sou...

Page 98: ...Info page on the MX20 to verify that the data is available to each port and that it is being processed properly 2 Load a flight plan into the CNX80 and verify that the flight plan is displayed on the...

Page 99: ...lectrical connections and configuration setup Single CNX80 Installation 1 Verify that the transponder squawk code is displayed in white Press the XPDR bezel key and verify that you are able to change...

Page 100: ...l interface 3 3 2 4 8 Compass System The CNX80 can receive heading from an external source XYZ synchro FADC or ARINC 429 heading source This check verifies that the CNX80 is receiving data from the co...

Page 101: ...ction 3 3 1 3 3 2 4 10RMI OBI The CNX80 RMI OBI output can be used to drive an RMI or OBI navigation indicator This check verifies that the RMI OBI is receiving data from the CNX80 If the following st...

Page 102: ...Tune an ILS at the local airport 2 Verify the audio ident voice quality 3 Verify the Morse code decoder IDs the station 95 probability 4 Fly the approach 5 Verify NAV flag GS flag and CDI and VDI are...

Page 103: ...abase card has to be reprogrammed with a new revision remove and replace the database card as described in the following section 3 4 1 DATA CARD REPLACEMENT CAUTION Handle the data card carefully Do n...

Page 104: ...utput Configuration ______________ N A Port 7 _____________ Hi Low Channel 1 Out ______________ N A Port 8 _____________ Hi Low Channel 2 Out Resolver Baro Correction Resolver Installed Not Installed...

Page 105: ...ion checked VOR reception checked Sidetone level set checked Localizer reception checked Deviation needle and flag checked INTERFACE CHECKOUT N A CNX80 Message Audio N A SL70 SL70R Transponder N A Alt...

Page 106: ...Post Installation Configuration Checkout 3 34 560 0982 00 Rev D Apollo CNX80 Installation Manual NOTES...

Page 107: ...ered Check the GPS antenna connections Make sure the aircraft is clear of hangers buildings trees etc GPS signal levels drop when avionics are turned on Noise interference from other avionics Turn all...

Page 108: ...etting CNX80 resolver input not configured correctly Resolver has not been calibrated Check resolver configuration in Ground Maintenance Mode Calibrate resolver CNX80 Message Audio or Tone not heard M...

Page 109: ...ompass system synchro hdg only Synchro X Y Z legs are crossed 26VAC reference Hi and Lo are swapped 26VAC reference supplied to CNX80 is different than 26VAC reference used by compass system Check wir...

Page 110: ...CNX80 CNX80 RS232 port not configured correctly Improper setup on the remote device Device not compatible or improper connection Multiple Tx lines connected together not applicable to dual CNX80 s co...

Page 111: ...hat aircraft Additional operation approvals may require FAA evaluation of all the systems installed in a particular aircraft and is outside the scope of the CNX80 STC 5 2 INSTALLATION The conditions a...

Page 112: ...inal design This includes the preservation of multiple power buses which reduce the probability of interrupting power to essential instruments and avionics For Aircraft on the AML certified under 14 C...

Page 113: ...al RAM memory and GPS system information Regular planned replacement is not necessary The CNX80 will display a low battery message when replacement is required Once the low battery message is displaye...

Page 114: ...Periodic Maintenance 6 2 560 0982 00 Rev D Apollo CNX80 Installation Manual NOTES...

Page 115: ...proofness 10 Equipment identified as Category X no test required Fluids Susceptibility 11 Equipment identified as Category X no test required Sand and Dust 12 Equipment identified as Category X no tes...

Page 116: ...DATA Refer to Garmin AT document 560 0988 00 for data regarding CNX80 STC authorization This document contains information on the following items Supplementary Type Certificate STC STC Permission STC...

Page 117: ...t connected N A MAPMX Proprietary interface between CNX80 and MX20 v5 0 or later This interface will support auto chart selection flight plans zoom scale matching altimeter correction and ILS and VOR...

Page 118: ...dd Checksum of bytes 1 through 14 computed in hex output in ASCII format i e FA hex 17 CR ASCII carriage return 0Dh The altitude input can decode several status or error codes These codes would be in...

Page 119: ...the following table s a sign indicator E W d a decimal digit 0 9 checksum the message checksum same format as message ETX ASCII end of text character ETX 03h Table B 3 Fuel Air Data Message Data S Fo...

Page 120: ...luded in Table B 4 Baud rate 9600 Data bits 8 Stop bits 1 Parity none Expected input rate approx 1 second Message length variable 512 character max Example Fuel Airdata Input Data STX SA223 223 knots...

Page 121: ...T 7 True Air Temp or Static in degrees Celsius ZH ddd WDIR 7 Wind Direction 0 to 359 degrees from true north ZI ddd WSPD 7 Wind Speed in knots ZJ sdd TURN 7 Rate of Turn in degrees second is right is...

Page 122: ...T N A MAPCOM Moving map output data nearest waypoint data annunciator data flight plan waypoints and nav com data B 2 1 SL70 SL70 SL70R mode control and altitude data Refer to SL70 installation manual...

Page 123: ...f nm I dddd 4 Desired track magnetic dddd degrees x 10 K ddd dd 3 to 5 Active waypoint identifier ddd dd ASCII waypoint identifier L dddd 4 Bearing to active waypoint magnetic dddd degrees x 10 Q sddd...

Page 124: ...ator 2 3 dd Current waypoint number in ASCII 01h to 20h 4 xiannnnn Sequence number x undefined i 1 if last waypoint a 1 if active waypoint nnnnn unsigned binary waypoint number 5 9 ddddd ASCII waypoin...

Page 125: ...cription 1 Z Z Item Designator 2 sddddddd List Item Number Packed unsigned binary values s 1 End of list 0 all other ddddddd 1 20 list waypoint index sddddddd 0xFF List Type is EMPTY BYTE 4 terminate...

Page 126: ...xample Moving Map Data Output AN 34 1570 34 15 70 latitude BW 118 4390 118 43 90 longitude C306 306 track angle D210 210 knots E02682 268 2nm to waypoint GR0006 0 6nm right of course I3059 305 9 desir...

Page 127: ...uts a 1 iiii ident four character ASCII Example Message PMRRC041SLE space 99 cr Output ident of SLE for the following frequency information B 2 1 4 2 Frequency Data Output This message is used to outp...

Page 128: ...function The data consists of five characters for the VOR station identifier followed by two characters defining the VOR frequency Message format V Message Class This is a VHF NAV message 20 Message...

Page 129: ...ort identifier Note that if the airport identifier is less than four characters then the trailing characters will be filled with spaces Airport Identifiers are restricted to using ASCII characters 0 9...

Page 130: ...rs and minutes This message is used to output the range ground speed and ETA decoded from an external RNAV sensor DME or GPS Message format V Message class This is a VHF NAV message 41 Message identif...

Page 131: ...computers are compatible with the CNX80 Other altitude data sources may be used provided they meet the serial specifications defined in B 1 2 Manufacturer Model Data Format Notes Shadin F ADC 200 F A...

Page 132: ...ey have a Nav mode and accept analog deviation data and flags meeting the specifications defined in section 1 3 9 1 1 Manufacturer Model Interface Notes S TEC System 20 30 40 50 60 1 60 2 60 PSS 65 An...

Page 133: ...Appendix D Interconnect Diagrams Apollo CNX80 Installation Manual 560 0982 00 Rev D D 1 APPENDIX D INTERCONNECT DIAGRAMS...

Page 134: ...Appendix D Interconnect Diagrams D 2 560 0982 00 Rev D Apollo CNX80 Installation Manual NOTES...

Page 135: ...VOR LOCALIZER GLIDESLOPE ANTENNA USE OF A SPLITTER COMBINER IF SEPARATE VOR AND GLIDESLOPE ANTENNAS ARE USED ON THE AIRCRAFT IS NOT RECOMMENDED 4 CAUTION TWO SETS OF PRIMARY POWER AND GROUND PINS ARE...

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Page 137: ...N CDI R BACK COURSE OUT OBS_F S4 OBS_G S2 OBS_H R Hi MAIN GS VALID MAIN GS VALID MAIN GS UP MAIN GS DOWN GPS IND OUT NAV IND OUT MID CONTINENT BENDIX KING KI 202 P2021 KI 525A P1 RD 550A 331A 6P RD 65...

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Page 139: ...D TO THE CNX80 SEE APPROPRIATE INSTALLATION MANUALS FOR THAT EQUIPMENT CNX80 Initial Release 03 05 03 Description Rev Date 49 54 47 48 45 46 52 55 50 51 P5 NAVIGATION INDICATOR NAV FLAG NAV FLAG TO FL...

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Page 141: ...OR AS PRACTICAL 3 NO OTHER EQUIPMENT SHOULD BE WIRED IN PARALLEL ON THE BARO POTENTIOMETER INTERFACE 4 A DIRECTIONAL GYRO OR HSI BOOTSTRAP OUTPUT MAY BE USED TO PROVIDE SYNCHRO HEADING TO THE CNX80 5...

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Page 143: ...THE CNX80 THE CNX80 WILL ALSO REMOTELY CONTROL THE SL70 SL70R CNX80 SERIAL PORT 6 RX TX MUST BE CONFIGURED FOR SL70 SL70 THE SL70 70R SERIAL PORT CONFIGURATION MUST BE SET AS FOLLOWS ALT SOURCE GRAY B...

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Page 145: ...R MUST BE INSTALLED AT THE AUDIO PANEL BETWEEN TOP 18 AND BOT 20 IF THE PA MUTE OUTPUT IS USED BY OTHER SYSTEMS THIS JUMPER MUST BE REPLACED WITH A DIODE AS SHOWN THE DIODE IS USED TO PREVENT THE AUDI...

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Page 147: ...UNTED DME 14 13 L 14 13 L BENDIX KING KN62 62A KN64 P621 P62A1 P641 34 DME SELECT IN 3 DME COMMON NAV 1 NAV 2 C C NAV SELECTION SW P5 14 15 35 DME CHANNEL REQ DME DATA BUS DME CLOCK BUS CNX80 2 34 DME...

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Page 149: ...08 03 Des ription Rev Date P7 10 29 68 TO MAIN CDI P5 4 24 A B ARINC 429 1 OUT 3 17 30 31 28 32 14 13 MAIN CDI VALID MAIN CDI VALID PRECISION APPR GPS IND OUT MAIN GS UP MAIN GS DOWN MAIN CDI GS VALI...

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Page 151: ...10 29 68 TO MAIN CDI P5 30 31 28 32 14 13 NAV FLAG NAV FLAG G S FLAG G S FLAG G S UP G S DOWN L R LT L R RT MAIN CDI VALID MAIN CDI VALID PRECISION APPR MAIN GS UP MAIN GS DOWN MAIN CDI GS VALID MAIN...

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Page 153: ...TO MAIN CDI P5 30 31 28 32 14 13 NAV FLAG NAV FLAG G S FLAG G S FLAG G S UP G S DOWN L R LT L R RT MAIN CDI VALID MAIN CDI VALID PRECISION APPR MAIN GS UP MAIN GS DOWN MAIN CDI GS VALID MAIN CDI GS V...

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Page 155: ...X80 Updated company name to Garmin AT in notes C 08 25 03 12 12 1 ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED 2 AT GARMIN AT EQUIPMENT CONNECT SHIELD GROUNDS TO THE REAR OF THE MOUNTING FRAM...

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Page 157: ...ANEL INTERCONNECT DIAGRAM FOR ADDITIONAL INFORMATION ABOUT CONNECTING THE PA MUTE OUTPUT Initial Release 03 31 03 Description Rev Date SL15 AUDIO PANEL 13 Bot NAV 2 AUDIO IN HI CNX80 2 Nav Com 2 23 20...

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Page 159: ...O BE DISPLAYED ON THE SANDEL UNLESS THE CNX80 MAIN CDI IS SELECTED TO NAV IF IT IS DESIRED TO HAVE THE GLIDESLOPE INDICATOR DISPLAYED WHENEVER A LOCALIZER IS TUNED P5 68 MUST BE DIODE OR D WITH THE IL...

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Page 161: ...OPERATION BY REPLACING 28V LAMPS WITH 14V LAMPS P N 14 113 6 VIVISUN INDICATOR WITH MOMENTARY SWITCH P N 95 45 11 B6 63816 28V SYSTEMS SHOWN INDICATOR MAY BE CONVERTED TO 14V OPERATION BY REPLACING 2...

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Page 163: ...be installed in the manufacturer s provided avionics stack External CDI HSI source selection annunciation is required The CDI HSI source select annunciation must be installed in accordance with 2 5 3...

Page 164: ...Appendix E Acceptable Aircraft by Evaluation E 2 560 0982 00 Rev D Apollo CNX80 Installation Manual NOTES...

Page 165: ...dicator 28VDC Indicator Vivisun 95 40 17 B6 63816 Indicator 28VDC Indicator can be converted to 14VDC operation by replacing qty 4 28VDC lamps with 14VDC lamps P N 14 113 Vivisun 95 45 11 B6 63816 Ind...

Page 166: ...Appendix F Optional Accessories Not Supplied F 2 560 0982 00 Rev D Apollo CNX80 Installation Manual NOTES...

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