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Garmin GTX 327 Installation Manual
Summary of GTX 327
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£ garmin international, inc. 190-00187-02 revision k january 2005 gtx tm 327 transponder installation manual.
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Page a gtx 327 installation manual revision k 190-00187-02 © copyright 1999 – 2005 garmin ltd. Or its subsidiaries all rights reserved except as expressly provided herein, no part of this manual may be reproduced, copied, transmitted, disseminated, downloaded or stored in any storage medium, for any...
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Gtx 327 installation manual page i 190-00187-02 preliminary revision k this manual is written for software version 2.08, and is not suitable for earlier software versions. The software version and information in this document is subject to change without notice. Information subject to export control...
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Gtx 327 installation manual page iii 190-00187-02 preliminary revision k table of contents paragraph page 1 general description..............................................................................................................1-1 1.1 introduction..............................................
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Page iv gtx 327 installation manual revision k preliminary 190-00187-02 paragraph page 5 post installation configuration & checkout procedure ..............................5-1 5.1 operation .................................................................................................................
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Gtx 327 installation manual page v 190-00187-02 preliminary revision k list of illustrations figure page 2-1 antenna installation considerations..................................................................................................2-2 2-2 gtx 327 unit rack....................................
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Page vi gtx 327 installation manual revision k preliminary 190-00187-02 gtx 327 hardware mod level history the following table identifies hardware modification (mod) levels for the gtx 327 transponder. Mod levels are listed with the associated service bulletin number, service bulletin date, and the ...
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Gtx 327 installation manual page 1-1 190-00187-02 revision k 1 general description 1.1 introduction this manual presents the mechanical, and electrical installation requirements for the gtx 327 digital display mode a/c transponder. After installation of the gtx 327, faa form 337 must be completed by...
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Page 1-2 gtx 327 installation manual revision k 190-00187-02 1.3 mutual suppression pulses other equipment on board the aircraft may transmit in the same frequency band as the transponder, such as dme or another transponder. Mutual suppression is a synchronous pulse that is sent to the other equipme...
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Gtx 327 installation manual page 1-3 190-00187-02 revision k 1.5 technical specifications the following table presents general environmental specifications. For detailed specifications, see the environmental qualification form in appendix a. 1.5.1 electrical specifications characteristic specificati...
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Page 1-4 gtx 327 installation manual revision k 190-00187-02 1.5.2 physical characteristics characteristic specification bezel height 1.65 inches (42 mm) bezel width 6.25 inches (159 mm) rack height (dimple to dimple) 1.68 inches (43 mm) rack width 6.30 inches (160 mm) depth behind panel with connec...
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Gtx 327 installation manual page 1-5 190-00187-02 revision k 1.7 aircraft station license requirements the telecommunications act of 1996, effective february 8, 1996, provides the fcc discretion to eliminate radio station license requirements for aircraft and ships. The gtx 327 installation must com...
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Page 1-6 gtx 327 installation manual revision k 190-00187-02 1.9 limited warranty this garmin product is warranted to be free from defects in materials or workmanship for two years from the date of purchase. Within this period, garmin will at its sole option, repair or replace any components that fa...
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Gtx 327 installation manual page 2-1 190-00187-02 revision k 2 installation overview 2.1 introduction this section provides hardware equipment information for installing the gtx 327 transponder, related hardware and optional accessories. Installation of the gtx 327 should follow the data detailed in...
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Page 2-2 gtx 327 installation manual revision k 190-00187-02 2.2.3 additional equipment required • cables - the installer will supply all system cables including circuit breakers. Cable requirements and fabrication are detailed in section 3 of this manual. • hardware - #6-32 x 100° flat head ss scre...
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Gtx 327 installation manual page 2-3 190-00187-02 revision k a. The antenna (garmin p/n 010-10160-00) should be mounted away from major protrusions, such as engine(s), propeller(s), and antenna masts. It should also be as far as practical from landing gear doors, access doors, or other openings that...
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Page 2-4 gtx 327 installation manual revision k 190-00187-02 max. Length (feet – [m]) insertion loss (db/100ft) ecs type mil-c-17 type rg type 6' 1.3" [1.86m] 18.0 m17/128-rg400 rg-400 7' 7.3" [2.32m] 14.45 3c142b 9' 2.0" [2.79m] 12.00 m17/112-rg304 rg-304 12' 6.0" [3.81m] 8.80 311601 m17/127-rg393 ...
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Gtx 327 installation manual page 2-5 190-00187-02 revision k 2.6 installation approval considerations for pressurized aircraft antenna and cable installations on pressurized cabin aircraft require faa approved installation design and engineering substantiation data whenever such installations incorp...
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Page 2-6 gtx 327 installation manual revision k 190-00187-02 2.7 cooling air the gtx 327 meets all applicable tso requirements without forced air cooling. The application of forced air cooling to the rear air nozzle of the gtx 327 is highly recommended to provide beneficial cooling to the unit. The ...
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Gtx 327 installation manual page 2-7 190-00187-02 revision k 2.8.2 mechanical installation note avoid installing the unit near heat sources. If this is not possible, insure that additional cooling is provided. Allow adequate space for installation of cables and connectors. The installer will supply ...
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Gtx 327 installation manual page 3-1 190-00187-02 revision k 3 installation procedure 3.1 unpacking unit carefully unpack the equipment and make a visual inspection of the unit for evidence of damage incurred during shipment. If the unit is damaged, notify the carrier and file a claim. To justify a ...
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Page 3-2 gtx 327 installation manual revision k 190-00187-02 notes 1. Non-garmin part numbers shown are not maintained by garmin and consequently are subject to change without notice. 2. Extracting the #16, #18 and #20 contact requires that the expanded wire barrel be cut off from the contact. It ma...
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Gtx 327 installation manual page 4-1 190-00187-02 revision k 4 system interconnects figure 4-1. Rear connector, j3271 table 4-1. P3271 pin assignments pin pin name i/o 1 avionics master on in 2 rs-232 in 2 in 3 altitude a1 in 4 altitude c2 in 5 altitude a2 in 6 altitude a4 in 7 altitude c4 in 8 exte...
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Page 4-2 gtx 327 installation manual revision k 190-00187-02 4.1 power and lighting function power input requirements and lighting bus input are listed in the following tables. The power-input pins accept 11-33 vdc. Switched power out is a power source available for devices such as a remote digital ...
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Gtx 327 installation manual page 4-3 190-00187-02 revision k 4.2 altitude functions parallel gray code altitude inputs are considered active if either the voltage to ground is resistance to ground is Ω. These inputs are considered inactive if the voltage to ground is 11-33 vdc. Refer to figure c-3 f...
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Page 4-4 gtx 327 installation manual revision k 190-00187-02 4.2.2 altimeter interconnect, dual gtx 327 installation refer to figure 4-2 and figure c-3, sheets 1 and 2 for dual gtx 327 altimeter interconnections. A dual gtx 327 installation can accept either parallel wire gray code altimeter input o...
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Gtx 327 installation manual page 4-5 190-00187-02 revision k 4.3 discrete inputs table 4-5. Discrete inputs pin assignments pin name pin number i/o external ident select* 8 in xpdr system id program* 16 in airborne sense (squat switch) 22 in external suppression (txp/dme) 17 in/out * these inputs ar...
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Page 4-6 gtx 327 installation manual revision k 190-00187-02 4.3.1 rs-232 serial data electrical characteristics the gtx 327 can be configured to include gps, altitude and airdata data inputs on two rs-232 input lines. Altitude data supplied to the gtx 327 can be output to the gps on an rs-232 outpu...
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Gtx 327 installation manual page 5-1 190-00187-02 revision k 5 post installation configuration & checkout procedure 5.1 operation note the coverage you can expect from the gtx 327 is limited to line of sight. Low altitude or aircraft antenna shielding by the aircraft itself may result in reduced ran...
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Page 5-2 gtx 327 installation manual revision k 190-00187-02 note any time the function switch is in the on or alt position the transponder becomes an active part of the air traffic control radar beacon system (atcrbs). The transponder also responds to interrogations from tcas equipped aircraft. • i...
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Gtx 327 installation manual page 5-3 190-00187-02 revision k 5.1.2 function display pressure alt displays the altitude data supplied to the gtx 327 in feet, hundreds of feet (i.E., flight level), or meters, depending on configuration. Flight time displays the flight time, controlled by the start/sto...
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Page 5-4 gtx 327 installation manual revision k 190-00187-02 avoid selecting code 7500 and all codes in the 7600-7777 range. These codes trigger special indicators in automated facilities. An aircraft’s transponder code is used for atc tracking purposes, therefore exercise care when making routine c...
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Gtx 327 installation manual page 5-5 190-00187-02 revision k lvl (level) shows the current level of display backlighting, based on the lighting input source (lighting bus voltage, or the ambient light if the source is photo) and the settings on this configuration page. This field has a range of 0 (z...
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Page 5-6 gtx 327 installation manual revision k 190-00187-02 key (key lighting) selection description man (manual) key lighting is controlled manually by the pilot on the gtx 327 display page. Auto (automatic) key lighting is automatically controlled based on the parameters entered on this configura...
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Gtx 327 installation manual page 5-7 190-00187-02 revision k 5.2.4 contrast configuration page contrast mode selection description man (manual) the display contrast is manually adjusted either here or by the pilot using the gtx 327 contrast page. Auto (automatic) default. The display contrast is aut...
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Page 5-8 gtx 327 installation manual revision k 190-00187-02 5.2.5 rs-232 input/output page this is the electrical source for the gtx 327 altitude and gps data input. Refer to paragraph 4.2.3 for altimeter data selection priority. Rs-232 input (altitude source, gps data) selection description off de...
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Gtx 327 installation manual page 5-9 190-00187-02 revision k 5.2.6 operation configuration pages 5.2.6.1 first configuration page vs rate (vertical speed rate) this field is the typical vertical speed for climb/descent of the aircraft. This number determines when a climb or descent arrow is displaye...
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Page 5-10 gtx 327 installation manual revision k 190-00187-02 5.2.6.2 second configuration page squat switch the gtx 327 flight time may be based on the squat switch state. The squat switch field may be set to either yes or no. (default no). If yes, sense may be set to high or low. If set to no, air...
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Gtx 327 installation manual page 5-11 190-00187-02 revision k 5.2.7 aircraft type page selection description ac type unknown, =15.5k, or rotor. Aircraft type used for automated airborne determination (time to stby, required airspeed, ground speed). Sets the aircraft type to rotor, to a weight of les...
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Page 5-12 gtx 327 installation manual revision k 190-00187-02 5.2.10 external switch page displays the state of the external switch discrete inputs. Ident displays the state of the external ident discrete input. The box is filled when external ident is grounded. Standby displays the state of the ext...
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Gtx 327 installation manual page a-1 190-00187-02 revision k appendix a certification documents a.1 stc consistent with n8110.69 or order 8110.4, aviation authority approved installers are hereby granted permission to use stc #sa00870wi data to modify aircraft..
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Page a-2 gtx 327 installation manual revision k 190-00187-02.
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Gtx 327 installation manual page a-3 190-00187-02 revision k a.2 continued airworthiness other than for regulatory periodic functional checks, maintenance of the gtx 327 is “on condition” only. Refer to the gtx 327 maintenance manual (garmin p/n 190-00207-05). Periodic maintenance of the gtx 327 is ...
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Page a-4 gtx 327 installation manual revision k 190-00187-02 5. Maintenance instructions maintenance of the gtx 327 is ‘on condition’ only. Periodic maintenance is not required. Refer to the gtx 327 maintenance manual. 6. Troubleshooting information refer to the gtx 327 maintenance manual. 7. Remova...
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Gtx 327 installation manual page a-5 190-00187-02 revision k 17. Assistance flight standards inspectors have the resources to respond to questions regarding the ica. 18. Implementation and record keeping for major alterations performed in accordance with faa field approval policy, the owner/operator...
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Page a-6 gtx 327 installation manual revision k 190-00187-02 figure a-1. Gtx 327 environmental qualification form (sheet 1 of 2).
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Gtx 327 installation manual page a-7 190-00187-02 revision k figure a-1. Gtx 327 environmental qualification form (sheet 2 of 2).
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Appendix b assembly and installation drawing s gtx 327 in stallatio n manu al page b -1 (page b-2 blank) 190- 001 87 -02 revision k figure b-1. Gtx 327 outline drawing.
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Appendix b assembly and installation drawing s gtx 327 in stallatio n manu al page b -3 (page b-4 blank) 190- 001 87 -02 revision k it em p a rt num ber des c ript ion q ty 1 2 11- 6 3234- 12 s cre w , 4- 4 0 x . 75, f l hp , s s /p 2 2 2 12- 2 0014- 00 w s hr, f l a t , no n- s t d, s s 1 3 2 32- 0...
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Appendix b assembly and installation drawing s gtx 327 in stallatio n manu al page b -5 (page b-6 blank) 190- 001 87 -02 revision k figure b-3. Gtx 327 recommended panel cutout dimensions.
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Appendix c interconnect drawings gtx 327 in stallatio n manu al page c -1 (page c-2 blank) 190- 001 87 -02 revision k figure c-1. Gtx 327 to 400/500 series units, typical interconnect wiring diagram.
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Appendix c interconnect drawings gtx 327 in stallatio n manu al page c -3 (page c-4 blank) 190- 001 87 -02 revision k figure c-2. Gtx 327 to gns 480 (cnx80), typical interconnect wiring diagram.
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Appendix c interconnect drawings gtx 327 in stallatio n manu al page c -5 (page c-6 blank) 190- 001 87 -02 revision k figure c-3. Dual txp interconnect wiring di agram, encoding altitude connections (sheet 1 of 2).
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Appendix c interconnect drawings gtx 327 in stallatio n manu al page c -7 ( p age c-8 bla nk) 190- 001 87 -02 revision k figure c-3. Dual txp interconnect wiri ng diagram, encoding altitude connections (sheet 2).