Honeywell BENDIX KING KT 73 Installation Manual
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Honeywell BENDIX KING KT 73 Installation Manual

Honeywell BENDIX KING KT 73 Installation Manual

Mode s transponder
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Preliminary - Subject To Change Without Notice
INSTALLATION MANUAL
KT 73
MODE S
TRANSPONDER
MANUAL NUMBER 006-10563-0000
REVISION 0 OCTOBER, 2002

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  • Page 1 Preliminary - Subject To Change Without Notice INSTALLATION MANUAL KT 73 MODE S TRANSPONDER MANUAL NUMBER 006-10563-0000 REVISION 0 OCTOBER, 2002...
  • Page 2 ©2002 Honeywell International Inc. Reproduction of this publication or any portion thereof by any means without the express written permission of Honeywell is prohibited. For further information contact the manager, Technical Publications, Honeywell, One Technology Center, 23500 West 105th Street Olathe KS 66061...
  • Page 3 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 REVISION HISTORY KT 73 Installation Manual Part Number: 006-10563-XXXX For each revision, add, delete, or replace pages as indicated. REVISION: Rev 0, October/2002 ITEM ACTION New manual No previous manual revision exists. Rev 0, October/2002 10563I00.JA Page RH-1...
  • Page 4 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 THIS PAGE IS RESERVED Rev 0, October/2002 10563I00.JA Page RH-2...
  • Page 5 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 TABLE OF CONTENTS SECTION I GENERAL INFORMATION PARAGRAPH PAGE INTRODUCTION EQUIPMENT DESCRIPTION 1.2.1 GENERAL DESCRIPTION 1.2.2 HARDWARE 1.2.3 FEATURES TECHNICAL CHARACTERISTICS 1.3.1 KT 73 TECHNICAL CHARACTERISTICS 1.3.2 KT 73 RECEIVER CHARACTERISTICS 1.3.3 KT 73 TRANSMITTER CHARACTERISTICS 1.3.4...
  • Page 6 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 SECTION III OPERATION PARAGRAPH PAGE GENERAL PROGRAMMING MODE 3.2.1 PROGRAMMABLE PARAMETERS DETAILED OPERATING MODES 3.3.1 FUNCTIONAL MODES 3.3.2 FRONT PANEL OPERATION 3-15 3.3.3 BUILT IN TEST EQUIPMENT (BITE) 3-17 FIGURES FIGURE PAGE CRIMPING TOOLS (MOLEX)
  • Page 7 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 FIGURES (cont). FIGURE PAGE KT 73 STANDBY MODE 3-10 KT 73 GROUND MODE 3-10 KT 73 ON MODE 3-11 KT 73 ALTITUDE MODE 3-12 3-10 KT 73 FLIGHT ID MODE 3-13 3-11 KT 73 TEST MODE...
  • Page 8 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 THIS PAGE IS RESERVED Rev 0, October/2002 10563I00.JA Page TC-4...
  • Page 9 INTRODUCTION This manual contains information relative to the physical, mechanical, and electrical characteris- tics of the Honeywell KT 73 Mode S Transponder. Installation and operating procedures are also included. Information relative to the maintenance, alignment, and procurement of the replacement parts may be found in the KT 73 Maintenance/Overhaul Manual, P/N 006-15563-0000.
  • Page 10 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 The KT 73 has an Air/Ground discrete which, when connected to a strut switch on the aircraft, can disable ATCRBS and Mode S All-Call replies when the aircraft is on the ground. A front panel switch position, ’GND’, can also be used by the pilot instead of the strut switch.
  • Page 11 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 TECHNICAL CHARACTERISTICS 1.3.1 KT 73 TECHNICAL CHARACTERISTICS TSO COMPLIANCE: SEE ENVIRONMENTAL QUALIFICATIONS APPENDIX PHYSICAL DIMENSIONS: See figure 2-4 WEIGHT: See figure 2-4 APPLICABLE DOCUMENTS: TSO-C112 Class 2A ARINC 718-4 RTCA DO-181C ICAO DOC 9688-AN/952 RTCA DO-160D ICAO ANNEX 10, AMENDMENT 71...
  • Page 12 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 1.3.2 KT 73 RECEIVER CHARACTERISTICS Sensitivity Variation with Frequency: The RF input level required to produce 90% replies will not vary by more than 1 dB and will at no time exceed a level of -69 dBm for standard ATCRBS interrogations in the frequency range be- tween 1029.8 and 1030.2 MHz.
  • Page 13 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 RF Peak Power Output: The transmitter output power will be 125 watts (21.0 dBW) peak power minimum and 500 watts (27.0 dBW) peak power maximum at the terminals of the transponder antenna. The pulse ampli- tude variation between any two pulses in an ATCRBS reply will not exceed 1 dB.
  • Page 14 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 UNITS AND ACCESSORIES SUPPLIED 1.4.1 CONFIGURATIONS AVAILABLE P/N 066-01164-0101 is the only version of the KT 73 that is currently available. Included with the KT 73 is the mounting rack and the configuration module. The configuration module is optional but is strongly suggested.
  • Page 15 BENDIX/KING KT 73 ACCESSORIES REQUIRED, BUT NOT SUPPLIED The following parts are recommended for a cable setup with dimensions of 4.5 feet to 11 feet: (See Figure 2-12, Sheet 1 of 2). Honeywell PART NUMBER DESCRIPTION QUANTITY 030-00101-0002 Connector, Coax...
  • Page 16 The instructions for continued airworthiness given in the TC or STC approvals for this product sup- plements or supersedes the instructions for continued airworthiness in this manual. Most Honeywell products are designed and manufactured to allow "on condition maintenance." On condition maintenance is described as follows; There are no periodic service requirements necessary to maintain continued airworthiness.
  • Page 17 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 SECTION II INSTALLATION GENERAL INFORMATION This section contains suggestions and factors to consider before installing the KT 73 Mode S Tran- sponder. Close adherence to these suggestions will assure a more satisfactory performance from the equipment.
  • Page 18 Recommendations on stack cooling are contained in Honeywell Installation Bulletin #55. Failure to provide stack cooling will certainly lead to increased avionics maintenance costs and may void the warranty.
  • Page 19 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 The KT 73 must be kept a minimum of three feet from the antenna. Additionally, the antenna coax cable should not be bundled with the other wiring harnesses to the KT The length and routing of the external cables must be carefully planned before at- tempting the actual installation.
  • Page 20 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 Main Connector - JKT73-1 Pin 1; AIRCRAFT GROUND This pin provides an internal connection to chassis and may be used as the third wire for RS-232 busses. Pin 2; +14 V DC LIGHTING +14 VDC lighting (320mA ±...
  • Page 21 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 Pin D; GILLHAM ALTITUDE C1/ARINC429 RX 0B This line is programmable as a Gillham altitude input as defined for pin 8 or as the receive line of an ARINC 429 port used to report altitude. Pin E;...
  • Page 22 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 Pin C; SERIAL CLOCK Used by microprocessor to provide serial clocking for pins A and B. Pin D; AIRCRAFT GROUND This pin provides an internal connection to chassis and may be used as the third wire for RS-232 busses.
  • Page 23 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 2.3.4 EQUIPMENT LOCATION Care should be exercised to avoid mounting components near equipment operating with high pulse current or high power outputs such as radar and satellite communications equipment. In general, the equipment should be installed in a location convenient for operation, inspection, and maintenance, and in an area consistent with the TSO environmental limits.
  • Page 24 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 2.3.5 KT 73 INSTALLATION The mounting tray for the transponder should be mounted using the dimensions specified in the outline and mounting drawing, Figure 2-4. The mounting tray should be wired according to the system interconnect diagram, Figure 2-5 through 2-10.
  • Page 25 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 In retrofit installations where a Configuration Module does not exist, the KT 73 will recognize this condition and operate from the data contained in the internal memory. In this arrangement, the configuration data will be lost when the KT 73 is replaced with a different unit, such as a loaner, and must be re-entered.
  • Page 26 2.3.6.4 Extraction of Contact from Molex Connector Slip the flat narrow blade of a Molex contact ejector tool, HT-1884 (Honeywell P/N 047-05099-0001), under the contact on the mating side of the connector. By turning the connector upside down one can see the blade slide to the stop.
  • Page 27 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 FIGURE 2-1 CRIMPING TOOLS (MOLEX) (Sheet 1 of 3) Rev 0, October/2002 10563I00.JA Page 2-11...
  • Page 28 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 FIGURE 2-1 CRIMPING TOOLS (MOLEX) (Sheet 2 of 3) Rev 0, October/2002 10563I00.JA Page 2-12...
  • Page 29 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 Once the terminal is in the correct position, close the jaws gently until the terminal is held loosely in place. Push the wire stop down so that it rests snugly behind the contact portion of the terminal. Strip off 1/8 inch of the wire insulation and insert the wire through the insulation tabs into the conductor tabs until the insu- lation hits the conductor jaw face or until the conductor touches the wire stop.
  • Page 30 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 THIS PAGE IS RESERVED Rev 0, October/2002 10563I00.JA Page 2-14...
  • Page 31 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 FIGURE 2-2 CRIMPING TOOLS (POSITRONIC) (Sheet 1 of 3) Rev 0, October/2002 10563I00.JA Page 2-15...
  • Page 32 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 FIGURE 2-2 CRIMPING TOOLS (POSITRONIC) (Sheet 2 of 3) Rev 0, October/2002 10563I00.JA Page 2-16...
  • Page 33 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 FIGURE 2-2 CRIMPING TOOLS (POSITRONIC) (Sheet 3 of 3) Rev 0, October/2002 10563I00.JA Page 2-17...
  • Page 34 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 THIS PAGE IS RESERVED Rev 0, October/2002 10563I00.JA Page 2-18...
  • Page 35 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 Main Connector - JKT73-1 Front View Pin # Description ......O......AIRCRAFT GROUND I......+14 V DC LIGHTING I......+28 V DC LIGHTING I/O......ARINC SUPPRESSION I/O ........EXTERNAL AIR/GROUND ......TIS 429 TX B ........RS232 ALT RX ........GILLHAM ALTITUDE D4/RS232 ALT TX ........9 V SUPPRESSION IN...
  • Page 36 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 Auxiliary Connector - JKT73-2 Front View I/O......Description O......EXTERNAL EEPROM CS I......EXTERNAL EEPROM O......AUDIO HI O......+5 V DC O......AUDIO LO I......AUDIO INHIBIT O......SERIAL DATA OUT I......
  • Page 37 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 External Connector - JKT73-4 Front View I/O......Description I......AUDIO INHIBIT O......AIRCRAFT GROUND I......ARINC429 RX 1A/RS232 RX I/O......ARINC429 RX 1B/RS232 TX O......AUDIO HI O......AUDIO LO FIGURE 2-3 KT 73 Pinout Diagrams (Sheet 3 of 3) Rev 0, October/2002...
  • Page 38 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 THIS PAGE IS RESERVED Rev 0, October/2002 10563I00.JA Page 2-22...
  • Page 39 BENDIX/KING KT 73 FIGURE 2-4 KT 73 INSTALLATION DRAWING (Dwg. 155-06046-0000 Rev. D) Rev 0, October/2002 10563I00.JA Page 2-23...
  • Page 40 BENDIX/KING KT 73 Rev 0, October/2002 10563I00.JA Page 2-24...
  • Page 41 BENDIX/KING KT 73 FIGURE 2-5 SINGLE KT 73 BASIC INTERCONNECTION DRAWING (Dwg. 155-01689-0001 Rev. -) Rev 0, October/2002 10563I00.JA Page 2-25...
  • Page 42 BENDIX/KING KT 73 Rev 0, October/2002 10563I00.JA Page 2-26...
  • Page 43 BENDIX/KING KT 73 FIGURE 2-6 SINGLE KT 73 WITH TIS INTERCONNECTION DRAWING (Dwg. 155-01689-0002 Rev. -) Rev 0, October/2002 10563I00.JA Page 2-27...
  • Page 44 BENDIX/KING KT 73 Rev 0, October/2002 10563I00.JA Page 2-28...
  • Page 45 BENDIX/KING KT 73 FIGURE 2-7 SINGLE KT 73 WITH ADLP OR ADS-B INTERCONNECTION DRAWING (Dwg. 155-01689-0003 Rev. -) Rev 0, October/2002 10563I00.JA Page 2-29...
  • Page 46 BENDIX/KING KT 73 Rev 0, October/2002 10563I00.JA Page 2-30...
  • Page 47 BENDIX/KING KT 73 FIGURE 2-8 SINGLE KT 73 WITH SERIAL ALTITUDE INPUTS INTERCONNECTION DRAWING (Dwg. 155-01689-0004 Rev. -) Rev 0, October/2002 10563I00.JA Page 2-31...
  • Page 48 BENDIX/KING KT 73 Rev 0, October/2002 10563I00.JA Page 2-32...
  • Page 49 BENDIX/KING KT 73 FIGURE 2-9 DUAL KT 73 BASIC INTERCONNECTION DRAWING (Dwg. 155-01689-0005 Rev. -, Sheet 1 of 2) Rev 0, October/2002 10563I00.JA Page 2-33...
  • Page 50 BENDIX/KING KT 73 Rev 0, October/2002 10563I00.JA Page 2-34...
  • Page 51 BENDIX/KING KT 73 FIGURE 2-9 DUAL KT 73 BASIC INTERCONNECTION DRAWING (Dwg. 155-01689-0005 Rev. -, Sheet 2 of 2) Rev 0, October/2002 10563I00.JA Page 2-35...
  • Page 52 BENDIX/KING KT 73 Rev 0, October/2002 10563I00.JA Page 2-36...
  • Page 53 BENDIX/KING KT 73 FIGURE 2-10 DUAL KT 73 WITH SERIAL ALTITUDE INPUTS INTERCONNECTION DRAWING (Dwg. 155-01689-0006 Rev. -, Sheet 1 of 3) Rev 0, October/2002 10563I00.JA Page 2-37...
  • Page 54 BENDIX/KING KT 73 Rev 0, October/2002 10563I00.JA Page 2-38...
  • Page 55 BENDIX/KING KT 73 FIGURE 2-10 DUAL KT 73 WITH SERIAL ALTITUDE INPUTS INTERCONNECTION DRAWING (Dwg. 155-01689-0006 Rev. -, Sheet 2 of 3) Rev 0, October/2002 10563I00.JA Page 2-39...
  • Page 56 BENDIX/KING KT 73 Rev 0, October/2002 10563I00.JA Page 2-40...
  • Page 57 BENDIX/KING KT 73 FIGURE 2-10 DUAL KT 73 WITH SERIAL ALTITUDE INPUTS INTERCONNECTION DRAWING (Dwg. 155-01689-0006 Rev. -, Sheet 3 of 3) Rev 0, October/2002 10563I00.JA Page 2-41...
  • Page 58 BENDIX/KING KT 73 Rev 0, October/2002 10563I00.JA Page 2-42...
  • Page 59 BENDIX/KING KT 73 FIGURE 2-11 RF CONNECTOR DRAWING Rev 0, October/2002 10563I00.JA Page 2-43...
  • Page 60 BENDIX/KING KT 73 Rev 0, October/2002 10563I00.JA Page 2-44...
  • Page 61 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 FIGURE 2-12 ACCEPTABLE CABLE CONNECTIONS DRAWING (Sheet 1 of 2) Rev 0, October/2002 10563I00.JA Page 2-45...
  • Page 62 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 FIGURE 2-12 ACCEPTABLE CABLE CONNECTIONS DRAWING (Sheet 2 of 2) Rev 0, October/2002 10563I00.JA Page 2-46...
  • Page 63 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 FIGURE 2-13 CABLE CONNECTOR DRAWING Rev 0, October/2002 10563I00.JA Page 2-47...
  • Page 64 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 PART NUMBER SIZE DIMENSION RG/U CABLE 024-00075-0000 9/32 1/8 5/32 3/64 024-00051-0060 9/32 1/8 5/32 3/64 FIGURE 2-14 TYPE “N” AND “C” CONNECTOR ASSEMBLY DRAWING Rev 0, October/2002 10563I00.JA Page 2-48...
  • Page 65 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 FIGURE 2-15 BNC CONNECTOR ASSEMBLY DRAWING Rev 0, October/2002 10563I00.JA Page 2-49...
  • Page 66 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 THIS PAGE IS RESERVED Rev 0, October/2002 10563I00.JA Page 2-50...
  • Page 67 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 2.4.1 TRANSPONDER SYSTEM CHECKOUT The post-installation test is used to apply power and functionally checkout the system. Successful completion of the post-installation test verifies the proper operation of the KT 73 Mode S Tran- sponder System.
  • Page 68 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 Check that all cables and interwiring are installed in accordance with the In- terwiring and Cable Harness Fabrication instructions (paragraph 2.3.3). Using the interconnect diagram (see Figure 2-5 through 2-10), check wiring for proper destination, opens, and shorts.
  • Page 69 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 Rotate ident code selector knob. Verify the most significant digit increas- es from zero to seven with clockwise rotation and decreases with a counter-clockwise rotation. Repeat step 1) for the remaining three digits of the squawk code. Momentarily push the IDENT switch to store the selected code.
  • Page 70 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 PASS/FAIL TEST DESCRIPTION CRITERIA Mode S Measures transmitted pulse to pulse 0.05 µsec. Reply Jitter time variations. Checks sidelobe suppression function by Reply if P1 exceeds P2 by ATCRBS varying the SLS pulse level and monitoring 9 dB or more.
  • Page 71 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 2.4.1.4 Ramp Test (TIS and/or ADS-B Functions) The following procedures check the TIS and ADS-B functions of an installation without requiring a ramp tester with more capability than required for the testing of ATCRBS and Mode S function- ality.
  • Page 72 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 THIS PAGE IS RESERVED Rev 0, October/2002 10563I00.JA Page 2-56...
  • Page 73 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 SECTION III OPERATION GENERAL Section 3 describes the operation of the KT 73. Where applicable, illustrations of the displays are furnished to assist the operator in understanding the operation of the unit and also provide a visual aide for programming sequences.
  • Page 74 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 ALT SRC (Altitude Source Select) ENH FUNC (Enhanced function when Gillham altitude source is selected) ENH FUNC (Enhanced function when ARINC 429 or RS-232 altitude source is selected) AUTO GND (Automatic on ground determination) AIR VOL (Audio volume while in the air)
  • Page 75 BENDIX/KING KT 73 FIGURE 3-2 KT 73 CONFIGURATION MENU Rev 0, October/2002 10563I00.JA Page 3-3...
  • Page 76 BENDIX/KING KT 73 Rev 0, October/2002 10563I00.JA Page 3-4...
  • Page 77 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 3.2.1 PROGRAMMABLE PARAMETERS 3.2.1.1 Programmable Parameters The following parameters must be programmed prior to installation: A/C ADDR: When the unit is in the A/C ADDR (Aircraft Address) program menu: The aircraft address is programmable (see section 2.3.5.4 for address information). The aircraft address consists of 8 octal digits.
  • Page 78 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 MAX AIR: When the unit is in the MAX AIR (Maximum Airspeed (knots)) program menu the maximum air- speed is programmable to one of the following ranges: 0 to 75 75 to 150 150 to 300 300 to 600...
  • Page 79 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 ENH FUNC (Gillham Selected): The Enhanced Function coding includes one of the following: ADLP ADS-B (JKT73-4, Pin C - GPS RX) Non XPDR (Squitter Only) (JKT73-4, Pin C - GPS RX) None (No enhanced function selected) ENH FUNC (429 or 232 Selected): The Enhanced Function coding includes one of the following:...
  • Page 80 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 NOTE: WHILE PROGRAMMING THE AIR OR GND VOL- UME, PUSHING THE VFR BUTTON WILL CAUSE THE AUDIO MESSAGE “TEST OK” TO BE ISSUED AT THE APPROPRIATE AUDIO LEVEL. GND VOL: Ground Volume includes one of the following audio power levels while the aircraft is on the ground: GND 4 (4 mw) GND 6 (4 mw)
  • Page 81 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 Category set “C” code: No ADS-B Emitter Category Information Surface Vehicle - Emergency Vehicle Surface Vehicle - Surface Vehicle Fixed Ground or Tethered Obstruction 4-7 Reserved Category set “D” code: No ADS-B Emitter Category Information 1-7 Reserved OTHER:...
  • Page 82 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 SBY: (see below) FIGURE 3-6 KT 73 STANDBY MODE When the unit is in the SBY (Standby) mode: The unit is energized but inhibited from replying to any interrogation. "SBY" will be annunciated in the Altitude window. The 4096 code will be displayed in the Ident window.
  • Page 83 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 When the unit is in the GND (Ground) mode: The unit will inhibit replies to ATCRBS. The unit will inhibit replies to ATCRBS/Mode S All-Call. The unit will inhibit replies to Mode S-only All Call interrogations. The unit will generate Mode S squitter transmissions.
  • Page 84 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 ALT: (see below) FIGURE 3-9 KT 73 ALTITUDE MODE When the unit is in ALT (Altitude) mode: The unit will transmit altitude information according to DO-181C paragraph 2.2.13.1.2(a)(1) in response to accepted Mode C interrogations. The unit will transmit altitude information according to DO-181C paragraph 2.2.13.1.2(a)(2) in response to accepted Mode S interrogations.
  • Page 85 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 FLT ID: (see below) FIGURE 3-10 KT 73 FLIGHT ID MODE When the unit is in FLT ID (Flight ID) mode: The 8 character Flight ID will be displayed. Each character of the Flight ID will be either a number, letter, or space. The "FLT ID"...
  • Page 86 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 When the unit is in TST (Test) mode: The unit is inhibited from transmitting. The transponder illuminates all display segments for a minimum of 4 seconds. If no faults have been detected by BITE, "TEST" will be displayed in the altitude window and "OK"...
  • Page 87 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 3.3.2 FRONT PANEL OPERATION Refer to figure 3-1 for an illustration relating to front panel operation. IDT (IDENT): The KT 73’s Ident pushbutton (marked IDT) is pressed when the ground control requests an “Ident”...
  • Page 88 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 Code restoration on Power-up On power-up, the displayed code will be the last active code used before power was removed. VFR OPERATION: Momentarily depressing the "VFR" pushbutton will cause the preprogrammed VFR code to supersede whatever 4096 Code was previously entered.
  • Page 89 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 NOTE: The KT 73 will accept altitude from a Gillham source between the range of -1000 ft. to 62749 ft. The KT 73 will accept altitude from an ARINC/GAMA 429 or RS-232 source in the range of -1025 ft.
  • Page 90 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 Fault Code Fault Code Primary Fault Secondary Fault SEVERITY (YY) Acquisition Squitter Squitter Data Critical Acquisition Squitter Squitter Rate Critical Extended Squitter Squitter Data Critical Extended Squitter Squitter Rate Critical Internal EEPROM Internal EEPROM (write) Critical...
  • Page 91 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 TSO APPENDIX ENVIRONMENTAL QUALIFICATION FORMS Rev 0, October/2002 10563I00.JA TSO-1...
  • Page 92 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 THIS PAGE IS RESERVED Rev 0, October/2002 10563I00.JA TSO-2...
  • Page 93 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 Rev 0, October/2002 10563I00.JA TSO-3...
  • Page 94 Preliminary - Subject To Change Without Notice BENDIX/KING KT 73 THIS PAGE IS RESERVED Rev 0, October/2002 10563I00.JA TSO-4...

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