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B

ATCRBS TRANSPONDER

KT 76C

Rev 3, May 2004

IM 006-10545-0003.dwd

Page 3-6

FIGURE 3-8 Altitude Display

F. DISPLAY 

BRIGHTNESS 

ADJUSTMENT

(1) Display 

Adjust 

 The display has an adjustment to compensate the brightness for differ-
ent vendors and/or aging of the display.  The brightness is adjusted in 
the test (TST) mode.
 
 To adjust the display brightness, perform the following steps:

(a)  Turn the mode select knob to “TST”.

(b)  Press the “O” pushbutton to decrease brightness.

NOTE

Each activation of the O push-button shall decrease 

the display brightness by ten percent (10%). When 

no carets are lit beneath the 4096 code, the display 

is at its dimmest adjust setting.

(c)  Press the 4 push-button to return brightness to the default factory 

value.

(d)  Press the 7 push-button to increase brightness.

NOTE

Each activation of the 7 push-button shall increase 
the display brightness by ten percent (10%). When 

all four carets are lit beneath the 4096 code, the dis-

play is at its brightest adjust setting.

(e)  Remove the mode select knob from the “TST” mode to set display 

parameters.

Содержание BendixKing KT 76C

Страница 1: ...INSTALLATION MANUAL KT 76C ATCRBS TRANSPONDER MANUAL NUMBER 006 10545 0003 Revision 3 May 2004 h ...

Страница 2: ...NTRARY TO U S LAW IS PROHIBITED COPYRIGHT NOTICE 1999 2004 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 TELEPHONE 913 782 0400 ...

Страница 3: ...3 dwd RH 1 REVISION HISTORY INSTALLATION MANUAL BENDIX KING KT 76C ATCRBS Transponder PART NUMBER REV DATE DESCRIPTION 006 10545 0003 3 May 2004 Referenced drawing for dimensions and weight 006 10545 0002 2 May 2004 Added version 0201 006 10545 0001 1 Dec 1999 ...

Страница 4: ...B ATCRBS TRANSPONDER KT 76C Rev 3 May 2004 IM 006 10545 0003 dwd RH 2 THIS PAGE RESERVED BLANK ...

Страница 5: ...ORTHINESS 1 9 SECTION II INSTALLATION Paragraph Page 2 1 GENERAL INFORMATION 2 1 2 2 UNPACKING AND INSPECTING EQUIPMENT 2 1 2 3 EQUIPMENT INSTALLATION 2 1 2 3 1 GENERAL 2 1 2 3 2 AVIONICS COOLING REQUIREMENTS FOR PANEL MOUNTED EQUIPMENT 2 1 2 3 3 KT 76C INTERCONNECT WIRING AND CABLE HARNESS FABRICATION 2 2 2 3 4 EQUIPMENT LOCATION 2 3 2 3 5 KT 76C INSTALLATION 2 4 2 3 6 VOLTAGE CHANGEOVER INSTRUCT...

Страница 6: ...24 2 7 KT 76C RF CONNECTOR ASSEMBLY DRAWING 2 25 2 8 TYPE N AND C CONNECTOR ASSEMBLY DRAWING 2 27 2 9 BNC CONNECTOR CABLE ASSEMBLY DRAWING 2 28 3 1 UNIT FUNCTIONS 3 1 3 2 STANDBY 3 2 3 3 TEST 3 2 3 4 UNIT ON 3 3 3 5 ALTITUDE 3 3 3 6 IDENT 3 4 3 7 VFR 3 5 3 8 ALTITUDE DISPLAY 3 6 LIST OF TABLES Table Page 1 1 KT 76C TECHNICAL CHARACTERISTICS 1 2 1 2 KA 60 TECHNICAL CHARACTERISTICS 1 6 1 3 KT 76C CO...

Страница 7: ...interrogations from the ground radar facility it will transmit a coded group of pulses which consist of a four digit identification number that has been assigned by the Air Traffic Controller This code is entered into the KT 76C by the pilot and is transmitted back to the ground as a Mode A reply This coded information is presented on the ground radar display at the appropriate range and azimuth T...

Страница 8: ...ling required but recommended Vibration Constant total excursion of 0 2 in from 5 to 17 Hz From 17 to 38 Hz 3 0 g pk From 38 to 500 Hz 1 5 g pk From 500 to 2000 Hz 1 0 g pk Shock Rigid mounting 6 G operational 15 G crash safety Power Input Watts maximum 0 7 Amperes 27 50 Vdc 1 6 Amperes 13 75 Vdc Standby current 0 400 A 28 Vdc 0 758 A 14 Vdc Lighting current 55 17 mA 28 Vdc 110 34 mA 14 Vdc Receiv...

Страница 9: ...d 500 watts peak power maximum at the terminals of the transponder antenna The pulse amplitude variation between any two pulses in an ATCRBS reply will not exceed 1 dB ATCRBS Reply Rate Capability The transponder will be able to continuously generate at least 500 ATCRBS 15 pulse replies per second and will have the capability of a peak reply rate of 1 200 ATCRBS 15 pulse replies NOTE A 15 pulse re...

Страница 10: ... and decay times of 0 05 µsec through 0 2 µsec ATCRBS Reply Delay and Jitter A At all RF input levels from MTL to 50 dB above MTL the time delay from the leading edge of P3 to the leading edge of F1 the first pulse of the reply will be 3 0 0 5 µsec B At all RF levels from MTL 3 to 50 dB above MTL the time delay variations between ATCRBS modes will not exceed 0 2 µsec C At all RF input levels from ...

Страница 11: ...se decoder characteristics will apply for an RF input signal levels of MTL to 50 dB above MTL and nominal interrogation signal characteristics Applicable valid interrogations will result in at least 90 replies and interrogations which are invalid will result in less than 10 replies Pulse Position Tolerances A The transponder will accept the pulse position of ATCRBS interrogations as valid if the s...

Страница 12: ...vironmental Categories D2A JY XXXXXXXXXXX Physical Dimensions Height 3 13 0 2 inches 79 502 5 08 mm Width 0 95 0 2 inches 24 13 5 08 mm Length 4 05 0 2 inches 102 87 5 08 mm Weight 0 20 lbs 0 09 kg Temperature 55 C to 71 C Altitude 55 000 feet Vibration 0 2 inch 2g 0 02 inch 5g Shock Rigid mounting 6 G operational 15 G crash safety Table 1 3 KT 76C Configurations Available HONEYWELL PART NUMBER SU...

Страница 13: ... 9 30 10 030 01094 0002 CONNECTOR 12 24 P EA 1 Honeywell 030 01096 0000 KEY POLARIZER EA 1 Honeywell 030 01107 0024 CONNECTOR TERM 24T EA 1 Honeywell 089 02013 0037 NUT HEX 6 32 EA 1 Honeywell 089 02353 0001 NUT CLIP 6 32 EA 6 Honeywell 089 05903 0007 SCR PHP 4 40 X 7 16 EA 2 Honeywell 089 05907 0006 SCR PHP 6 32 X 3 8 EA 1 Honeywell 089 06012 0008 SCR PHP 6 32 X 1 2 EA 6 Honeywell 089 08027 0030 ...

Страница 14: ...PART NUMBER DESCRIPTION QUANTITY 006 01058 0005 Connector Assy Procedure 1 024 00051 0060 Cable Coax 11 ft 030 00092 0000 Connector Coax Mod Type BNC 1 030 00101 0002 Connector Coax 1 Table 1 6 Cable Setup 10 to 25 Feet HONEYWELL PART NUMBER DESCRIPTION QUANTITY 006 01058 0005 Connector Assy Procedure 1 024 00072 0000 Cable Coax 25 ft 030 00102 0001 Connector Type Unit 1 030 00435 0000 Connector A...

Страница 15: ...on 1 7 INSTRUCTIONS FOR CONTINUED AIRWORTHINESS 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 req...

Страница 16: ...B ATCRBS TRANSPONDER KT 76C Rev 3 May 2004 IM 006 10545 0003 dwd Page 1 10 THIS PAGE RESERVED BLANK ...

Страница 17: ...n of the KT 76C AT CRBS Transponder including instructions concerning the location and mounting of the supporting antenna The equipment should be installed in the aircraft in a manner consistent with acceptable workman ship and engineering practices and in accordance with the instructions set forth in this publication To ensure that the system has been properly and safely installed in the aircraft...

Страница 18: ...ram be included in the fabrication of the wiring harness However if full wir ing is not desired the installer should ensure that the minimum wiring require ments for the features and functions to be used be incorporated When cables are installed in the aircraft they must be supported firmly enough to prevent movement and should be carefully protected against chaff ing Additional protection should ...

Страница 19: ... can be installed in any con venient location on the panel that is free from excessive heat and vibration and which provides reasonable access for inspection and maintenance To achieve maximum performance the KT 76C should be installed adjacent to other receivers with similar functions To allow for inspection or repair of the wiring of the connector assembly itself sufficient lead length should be...

Страница 20: ... transponder may be affected 2 3 5 KT 76C INSTALLATION The mounting tray for the transponder should be mounted using the dimensions specified in the outline and mounting drawing Figure 2 3 The mounting tray should be wired according to the system interconnect diagram Figure 2 2 A Transponder Tray 1 Rear connector wiring must be completed before permanently fastening the mounting tray to the panel ...

Страница 21: ...es drilled in step b Fasten the backing plate securely in place if required for reinforcement h Mount the antenna using 8 star washer and 8 32 fasteners includ ed with the antenna i Coaxial cable RG400 or equivalent is normally used on installa tions having a cable run of eleven feet or less For cable runs from ten to 32 5 feet use low loss antenna parts refer to Section 1 para graph 1 4 2 or 1 5 ...

Страница 22: ...sing Pliers 1 Strip each wire 5 32 inches for contact terminal P N 030 01107 0024 The last two digits of the contact terminal part number indicates the num ber of terminals furnished 2 Tin the exposed conductor 3 Using needle nosed pliers fold over each conductor tab in turn onto the exposed conductor When both tabs have been folded firmly press the tabs against the conductor 4 Repeat step 3 for i...

Страница 23: ...t is raised allowing the contact to be removed by pulling moder ately on the lead 3 Neither the contact or position is damaged by removing a contact how ever the contact should be checked visually before reinstalling in con nector to be certain that retaining tab A extends as shown see 2 1 for retention in connector FIGURE 2 1 Crimping Tool Sheet 1 of 3 ...

Страница 24: ...B ATCRBS TRANSPONDER KT 76C Rev 3 May 2004 IM 006 10545 0003 dwd Page 2 8 FIGURE 2 1 Crimping Tool Sheet 2 of 3 ...

Страница 25: ...Squeeze the handles until the crimp jaws close and the ratchet releases Straighten the terminal if necessary then release the plier grips and remove the crimped terminal CRIMPING PRESSURE ADJUSTMENT If too much or too little pressure is needed to release the crimper s ratchet pawl at the end of the crimp stroke the ratchet can be easily adjusted A spanner wrench provided with the tool can be used ...

Страница 26: ...B ATCRBS TRANSPONDER KT 76C Rev 3 May 2004 IM 006 10545 0003 dwd Page 2 10 FIGURE 2 2 KT 76C Interconnect Diagram Sheet 1 of 3 ...

Страница 27: ...B ATCRBS TRANSPONDER KT 76C Rev 3 May 2004 IM 006 10545 0003 dwd Page 2 11 FIGURE 2 2 KT 76C Interconnect Diagram Sheet 2 of 3 ...

Страница 28: ...B ATCRBS TRANSPONDER KT 76C Rev 3 May 2004 IM 006 10545 0003 dwd Page 2 12 THIS PAGE BLANK ...

Страница 29: ...am Altitude D4 9 Suppression In 10 External Standby 11 11 33 V dc Aircraft Power 12 11 33 V dc Aircraft Power A Aircraft Ground B Gillham Altitude B4 C Gillham Altitude B2 D Gillham Altitude C1 E Gillham Altitude B1 F External Ident H Gillham Altitude C4 J Gillham Altitude A4 K Gillham Altitude A2 L Gillham Altitude C2 M Gillham Altitude A1 N 9 Vdc Test Point Antenna Connector J2 Pin Number Descri...

Страница 30: ...t cables are not strained kinked or severely twisted and are not exposed to rough or sharp sur faces B Post Installation Test Operation 1 General Installation of the transponder system requires three stages of testing to ensure the proper operation of the transponder Initially prior to the in stallation of the transponder and antenna a system interwiring check should be performed This check verifi...

Страница 31: ... pretest setup manual test and ramp test The following tests are per formed on the ground a Pretest Setup 1 Check KT 76C system source power as follows a Confirm that aircraft 11 33 V dc is operational b Confirm that the aircraft panel background lighting power source is operational by adjusting the cockpit dimmer switch for proper cockpit panel illumination 2 Operate appropriate aircraft circuit ...

Страница 32: ...sting digits with dashes until the display is all dashes c Verify that after four to six seconds of no activity on the CLR VFR or Code Selection switches the display reverts back to the previously entered code d Conformity Inspection Visually inspect the installed equipment to determine the use of ac ceptable workmanship and engineering practices Verify that all mechanical and electrical connectio...

Страница 33: ...evel MTL for a 90 reply rate 73 dBm 4 0 dBm ATCRBS SLS Level Checks sidelobe suppression function by varying the SLS pulse level and monitor ing transponder reply rates Reply if P1 exceeds P2 by 9 dB or more No reply if P2 equals or exceeds P1 ATCRBS Reply Verifies Transponder replies to Mode A and Mode C interrogations Measures F1 to F2 spacing and duration of pulses Replies to interrogations F1 ...

Страница 34: ...B ATCRBS TRANSPONDER KT 76C Rev 3 May 2004 IM 006 10545 0003 dwd Page 2 18 THIS PAGE RESERVED BLANK ...

Страница 35: ...B ATCRBS TRANSPONDER KT 76C Rev 3 May 2004 IM 006 10545 0003 dwd Page 2 19 FIGURE 2 3 KT 76C Transponder Installation Drawing Dwg No 155 06039 0000 Rev AB ...

Страница 36: ...B ATCRBS TRANSPONDER KT 76C Rev 3 May 2004 IM 006 10545 0003 dwd Page 2 20 THIS PAGE BLANK ...

Страница 37: ...B ATCRBS TRANSPONDER KT 76C Rev 3 May 2004 IM 006 10545 0003 dwd Page 2 21 FIGURE 2 4 KA 60 Antenna Installation Drawing ...

Страница 38: ...B ATCRBS TRANSPONDER KT 76C Rev 3 May 2004 IM 006 10545 0003 dwd Page 2 22 FIGURE 2 5 Acceptable Cable Connections Drawing Sheet 1 of 2 ...

Страница 39: ...B ATCRBS TRANSPONDER KT 76C Rev 3 May 2004 IM 006 10545 0003 dwd Page 2 23 FIGURE 2 5 Acceptable Cable Connections Drawing Sheet 2 of 2 ...

Страница 40: ...B ATCRBS TRANSPONDER KT 76C Rev 3 May 2004 IM 006 10545 0003 dwd Page 2 24 FIGURE 2 6 Cable Connector Drawing ...

Страница 41: ...B ATCRBS TRANSPONDER KT 76C Rev 3 May 2004 IM 006 10545 0003 dwd Page 2 25 FIGURE 2 7 KT 76C RF Connector Assembly Drawing ...

Страница 42: ...B ATCRBS TRANSPONDER KT 76C Rev 3 May 2004 IM 006 10545 0003 dwd Page 2 26 THIS PAGE BLANK ...

Страница 43: ... 76C Rev 3 May 2004 IM 006 10545 0003 dwd Page 2 27 FIGURE 2 8 TYPE N AND C Connector Assembly Drawing PART NUMBER SIZE DIMENSION RG U CABLE A B C D 024 00075 0000 393 9 32 1 8 5 32 3 64 024 00051 0060 400 9 32 1 8 5 32 3 64 ...

Страница 44: ...B ATCRBS TRANSPONDER KT 76C Rev 3 May 2004 IM 006 10545 0003 dwd Page 2 28 FIGURE 2 9 BNC Connector Cable Assembly Drawing ...

Страница 45: ...nd also provide a visual aid for programming sequences NOTE The KT 76C and all other avionics should be turned off before starting the aircraft engine s 3 2 DETAILED OPERATING MODES 3 2 1 FUNCTIONAL MODES The mode is selected by the mode select knob see the display below for the location of front panel features see Figure 3 1 FIGURE 3 1 Unit Functions OFF The unit is not energized NOTE A pictorial...

Страница 46: ...re 3 2 FIGURE 3 2 Standby TST The unit will illuminate all segments The unit will remain in TST mode until the mode se lection is changed see Figure 3 3 FIGURE 3 3 Test On The unit is able to reply to all valid Mode A and Mode C interrogations however the altitude information of Mode C reply is suppressed The altitude display is blank and the ID 4096 code is displayed on the right ON is annunciate...

Страница 47: ...n the right and the altitude displayed on the left ALT and FL are annunciated on the display in this mode see Figure 3 5 FIGURE 3 5 Altitude 3 2 2 FRONT PANEL OPERATION A IDENT Depressing the IDT push button causes the special position identification pulse SPI to be appended to Mode A replies for a period of 18 2 seconds During this period the KT 76C will annunciate the R An input pin is provided ...

Страница 48: ...ode has been selected or immediately after the IDT pushbutton has been pressed the new code is transmitted The ID code is written into nonvolatile memory so that the code will be saved during power interruptions C VFR see Figure 3 7 Momentarily depressing the VFR pushbutton causes the pre programmed VFR code to supersede whatever code was previously entered The ID code will be immediately displaye...

Страница 49: ...t E ALTITUDE DISPLAY The KT 76C displays the Flight Level altitude on the left side of the display The display is in hundreds of feet FL is annunciated to indicate Flight Level altitude Flight Level is a term to indicate that the altitude is not true altitude but barometric altitude which is not corrected for local pressure For Example FL 040 corresponds to an altitude of 4000 feet meaning sea lev...

Страница 50: ...O pushbutton to decrease brightness NOTE Each activation of the O push button shall decrease the display brightness by ten percent 10 When no carets are lit beneath the 4096 code the display is at its dimmest adjust setting c Press the 4 push button to return brightness to the default factory value d Press the 7 push button to increase brightness NOTE Each activation of the 7 push button shall inc...

Страница 51: ...B ATCRBS TRANSPONDER KT 76C Rev 3 May 2004 IM 006 10545 0003 dwd Page E 1 TSO APPENDIX E ENVIRONMENTAL QUALIFICATION FORM ...

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Страница 56: ...B ATCRBS TRANSPONDER KT 76C Rev 3 May 2004 IM 006 10545 0003 dwd Page E 6 THIS PAGE RESERVED BLANK ...

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