trig TY91 Installation Manual
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- Page 1 TY91/TY92 VHF radio Installation Manual 00839-00-AF 24 November 2014 Trig Avionics Limited Heriot Watt Research Park Riccarton, Edinburgh EH14 4AP Scotland, UK Copyright Trig Avionics Limited 2013, 2014...
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Page 3: Table Of Contents
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF CONTENTS PREFACE ....................6 ...................6 URPOSE ....................6 COPE ............6 HANGES FROM REVIOUS SSUE ............7 OCUMENT ROSS EFERENCES INTRODUCTION ..................8 TY91/TY92 D ..............8 ESCRIPTION ..................9 NTERFACES 2.2.1 TY91/TY92 VHF radio Unit .............9 2.2.2... - Page 4 TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF ................17 EQUIRED TEMS INSTALLATION .................19 ........19 NPACKING AND NSPECTING QUIPMENT TC90 C ............19 ONTROLLER OUNTING 5.2.1 Dual TC90 Considerations ............20 VHF R ..........20 ADIO OUNTING ...............21 OOLING EQUIREMENTS TY91/TY92 VHF R ....21...
- Page 5 TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF TC90 C ........27 ONTROLLER NTERFACE ETAILS 5.8.1 TMAP Bus ................27 5.8.2 RS232 Input ................28 5.8.3 Remote ON ................28 5.8.4 Power ..................28 5.8.5 Step Button ................28 5.8.6 Transfer Button ..............29 ..........29...
- Page 6 TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF 6.2.6 Radio Squelch Offset ..............39 6.2.7 Frequency Step Size ...............39 6.2.8 Display Brightness ..............39 6.2.9 Microphone Sensitivity Adjustment ........39 POST INSTALLATION CHECKS ............41 NORMAL OPERATION ..............42 ..................42 VERVIEW ..................42 ISPLAY ..............42...
- Page 7 TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF 12.1 ......55 OUNTING TRAY FIXING AND OVERALL DIMENSIONS 12.2 ........56 RONT ANEL ONTROLLER IMENSIONS 12.3 ...........57 RONT ANEL PTIONS WIRING DIAGRAMS ..............59 ______________________ Trig Avionics Limited...
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Page 8: Preface
1.2 Scope This document applies to the installation of the TY91 and TY92 VHF radio. This manual applies to TY91/TY92 software version 1.5 or later and TC90 controller software version 1.4 or later. The software versions and FPGA are subject to change without notice. -
Page 9: Document Cross-References
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF Section 13 Additional wiring diagrams to include dual TC90 installation The phrase “receiver squelch” changed to “radio squelch” Various to show consistency between installation and operation manuals 1.4 Document Cross-References... -
Page 10: Introduction
TY91/TY92 is certified to ETSO 2C169a 2C128a, TSO C169a and TSO C128a. The TY91 runs from either a 14 volt nominal or 28 volt nominal DC power supply with no configuration changes required. The TY92 requires a 28 volt nominal supply. -
Page 11: Interfaces
D-type connector. The 25 way D-type interface provides the following services: Power Input The TY91 operates on 11 to 33 volts DC. The TY92 operates on 22 to 33 volts DC. Front Panel Datalink A two wire data link is used to connect the TY91/TY92 and the controller. - Page 12 The controller receives power from the VHF radio. Front Panel Datalink A two wire data link is used to connect the TY91/TY92 and the controller. On a dual control installation this connects between both controllers and the TY91/TY92 Remote On/Off The on-off switching is on the controller, and controls this output.
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Page 13: Technical Specifications
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF 3. Technical Specifications 3.1 TY91 VHF Radio Unit (00882-00-01) Specification Characteristics Compliance ETSO 2C169a Class C, E, H1, H2, 4, 6, ETSO 2C128, TSO C169a Class C, E, 4, 6, TSO... -
Page 14: Ty92 Vhf Radio Unit (00879-00-01)
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF Stuck-mic timeout 35 seconds Transmitter Duty Cycle 100% transmit is possible (subject to stuck mic timeout) Receiver Frequency 118.000 MHz to 136.992 MHz; 760 channels at 25 kHz spacing, 2280 channels at 8.33 kHz spacing. - Page 15 TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF 22 – 33 volts DC. Typical 2.8 watts @ 28volts, Power Requirements receive; typical 80 watts @ 28 volts, transmit. Maximum current 3.2A. Altitude 55,000 feet Humidity 95% @ +50°C for 6 hours; 85% @ +38°C for 16 hours.
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Page 16: Tc90 Control Unit (00857-00-01)
0.11lbs. (90 g) 3.4 Low Voltage Operation Normal operating voltage for the TY91 is any voltage between 11 and 33 volts, whilst normal operating voltage for the TY92 is any voltage between 22 and 33 volts. At these voltages all functions behave normally, and transmitter power meets the applicable Class requirements of ED-23C. -
Page 17: Installation Approval
10 volts or below the available speaker volume will reduce significantly. In addition a warning message, “Low Volts”, will be displayed on the controller when the bus voltage falls below 10 volts in a TY91, or 18 volts in a TY92. 3.5 Installation Approval The conditions and tests required for the TSO approval of the TY91/TY92 VHF radio are minimum performance standards. -
Page 18: Unit And Accessories Supplied
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF 4. Unit and Accessories supplied 4.1 TY91 VHF Radio Items The TY91 VHF radio includes the following items: Unit Description Part Number TY91 VHF Radio 00882-00-01 TY91/TY92 Mounting Tray... -
Page 19: Ty91/Ty92 Installation Kit
Long mounting screws, 4-40 thread 00736-00 Short mounting screws, 4-40 thread 00737-00 4.6 Required Items Additional items you will require, but which are not in the TY91/TY92 package, include: Antenna and fixing hardware. The TY91/TY92 is compatible with ______________________ Trig Avionics Limited... -
Page 20: Trig Avionics Limited
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF any standard 50 ohm vertically polarised antenna with a VSWR better than 2.5:1. Cables. You need to supply and fabricate all required cables. Guidance on cable types is given in section 5 below. -
Page 21: Installation
The rubber band can be snipped off and discarded when the installation is complete. If you are using the Trig compact cut-out, you do not need the mounting ______________________ Trig Avionics Limited... -
Page 22: Dual Tc90 Considerations
If you are installing a second TC90 controller then it must also meet the mounting requirements as stated above. Both TC90 controllers will need to be wired to the TY91/TY92 remote radio unit. Consideration should be given to the routing of the additional wires as this may impact on the overall panel placement of the TC90 controllers. -
Page 23: Cooling Requirements
5.5 TY91/TY92 VHF Radio Electrical Connections The TY91/TY92 has a single 25 way male socket which provides the audio, data and power inputs to the VHF radio. A single TNC coaxial connector attaches to the antenna. -
Page 24: Trig Avionics Limited
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF Headphone Return Headphone Out Output Controller Power Output Power ON Input PTT2 Key Input PTT1 Key Input Reserved Intercom Key Input Transmit Interlock Input Ground Aux Audio Input Microphone 2... -
Page 25: Ty91/Ty92 Vhf Radio Interface Details
A and B, both of which must be connected for communication to work. There are two sets of TMAP pins on the TY91/TY92, TMAP1 A and B, and TMAP2 A and B. -
Page 26: Power On
The TY91/TY92 power supply is controlled by this discrete input. The input is active low, so that the TY91/TY92 will power up whenever the input is held low. This signal is intended to connect to the TC90 Remote ON output. -
Page 27: Auxiliary Audio Input
600 ohm load. A bias voltage is supplied by the radio to the microphone inputs to support a preamplifier in the microphone. The TY91/92 has been designed for use with a standard aviation headset and does not support a directly connected dynamic microphone. Dynamic... -
Page 28: Power Input
Issue AF 5.6.11 Power Input The TY91 power supply can be 11-33 volts DC; no voltage adjustment is required. The TY92 power supply must be 22-33 volts DC. Use a 5 Amp circuit breaker for power supply protection to the TY91 and TY92. -
Page 29: Tc90 Controller Interface Details
5.8 TC90 Controller Interface Details 5.8.1 TMAP Bus TMAP is a Trig proprietary bus based on RS485 signalling. It provides a bi- directional interface between the VHF radio and the control head. Each TMAP interface comprises a balanced pair of signals, called A and B, both of which must be connected for communication to work. -
Page 30: Rs232 Input
5.8.3 Remote ON This output is connected directly to the Power/Mode switch on the TC90, and should be connected to the Power ON discrete input of the TY91/TY92. For dual TC90 installations, the Remote On output of both TC90 controllers should be connected to the Power ON discrete input of the TY91/TY92. -
Page 31: Transfer Button
4 volts. 5.9 D Connector Crimp Terminals The 25 way and 15 way connectors supplied with the TY91/TY92 installation kit are MIL standard versions of the popular sub miniature D type connector family, and use individual crimp terminals and a receptacle. -
Page 32: Wiring Considerations
5.10 Wiring Considerations 5.10.1 TC90 Interconnect The connection from the TY91/TY92 VHF radio to the TC90 uses a minimum of six (6) signal lines; the TMAP pair, the Power and Ground pair, and the Remote On discrete line plus associated ground line. In a certified installation the normal wire choice would be Tefzel hook-up wire. -
Page 33: Dual Tc90 Interconnect
TC90 controllers. For these connections, you will need to join or splice wires together. It is advisable to join the wires at either the TY91/TY92 radio connector or the TC90 connector depending on the physical placement of the units. -
Page 34: Trig Avionics Limited
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF Below is an example where the TY91/92 VHF radio is fitted in the nose section of the aircraft or behind the aircraft panel: Nose Section Front Seat Rear Seat... -
Page 35: Audio Wiring
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF 5.10.3 Audio wiring For any wires carrying an audio signal, a screened twisted pair should be used to avoid any unwanted signals interfering with the radio installation. Unscreened wires can act as small antennas and transmissions from other avionics on the aircraft could be picked up by the radio and heard as interference in the connected headsets. -
Page 36: Antenna Ground Plane
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF efficiency as a result of the presence of liquids or moisture. All antenna feeders shall be installed in such a way that a minimum of RF energy is radiated inside the aircraft. -
Page 37: Tnc Connector
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF 5.11.3 TNC Connector This section describes the technique for attaching the antenna cable to the supplied TNC connector. The supplied connector can be completed using a wide range of commercial crimp tools (for example the Tyco 5-1814800-3). -
Page 38: Trig Avionics Limited
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF Slide heat shrink tubing forward (flush to connector) and heat to shrink the tubing. ______________________ Trig Avionics Limited... -
Page 39: Installation Setup And Test
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF 6. Installation Setup and Test 6.1 Initial Power On The TC90 will display a splash screen when the radio is first switched on. The splash screen shows the software versions currently loaded and what model of radio is connected. -
Page 40: Intercom Volume
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF installation, is accessed on a sub menu by holding down the MEM button for at least 3 seconds whilst in configuration mode: Microphone gain adjustment In a dual TC90 control setup most of the configuration items are shared and automatically updated between the TC90 controllers. -
Page 41: Radio Squelch Offset
6.2.7 Frequency Step Size The TY91/TY92 is capable of operating in both an 8.33 kHz and 25 kHz environment. If 8.33 kHz operation is not required, the 8.33 kHz channels can be disabled to simplify the tuning operation. -
Page 42: Trig Avionics Limited
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF mV RMS which is compatible with most conventional aviation headset microphones. Automatic gain control takes care of variations in speaking voice and variation between different microphones. Microphone adjustment is therefore only required to correct for alternative installation choices. -
Page 43: Post Installation Checks
Check at low, mid and high radio frequencies. There should be no significant interference on reception, and when the TY91/TY92 transmits there should be no adverse effect on any other equipment. Sidetone adjustment. During the transmit checks, verify the sidetone level is set appropriately. -
Page 44: Normal Operation
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF 8. Normal Operation 8.1 Overview On the front panel is a monochrome LCD display flanked by a rotary volume knob (OFF, and Squelch function) and a dual concentric tuning knob used for frequency entry. -
Page 45: Tuning Knobs
8.6 MON Button The TY91/TY92 includes a dual-frequency listen feature; pressing the MON button toggles this feature on and off. When the feature is active, a +2 icon appears next to the standby frequency, and the radio will scan between the active and standby frequencies listening for transmissions. -
Page 46: Dual Control Operation
This is purely a delay in the display and there is no delay in the tuning or operation of the TY91/TY92 radio. The exception is that the radio volume knob works on a “loudest wins” basis. -
Page 47: General Low Temperature Operation
8.10 General Low Temperature Operation The TY91/TY92 is certified to operate correctly down to -20°C, but at low temperatures the controller display may be impaired. On a cold day you may need to wait for the cockpit to warm up to ensure normal operation. -
Page 48: Trig Avionics Limited
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF and back on again, although in all cases a FAULT code implies that there is a fault with the VHF radio or the installation. Note the FAULT message shown on the screen and pass that information to your avionics maintenance organisation. -
Page 49: Continued Airworthiness
9. Continued Airworthiness Other than for periodic functional checks required by the regulations, the TY91/TY92 VHF radio has been designed and manufactured to allow “on condition maintenance”. This means that there are no periodic service requirements necessary to maintain continued airworthiness, and no maintenance is required until the equipment does not properly perform its intended function. -
Page 50: Limited Warranty
Heriot Watt Research Park Riccarton, Edinburgh, EH14 4AP Trig Avionics will not accept or pay for any charges for warranty work performed outside our factory without prior written consent. This warranty applies only to products in normal use. It does not apply to units... -
Page 51: Environmental Qualification Forms
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF 11. Environmental Qualification Forms Nomenclature: TY91 VHF radio Part No: 00882-00-01 ETSO: 2C169a Manufacturer: Trig Avionics Limited Address: Heriot Watt Research Park, Riccarton, Edinburgh, Scotland, EH14 4AP Conditions DO-160F... -
Page 52: Trig Avionics Limited
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF Vibration Aircraft zone 2; type 3, 4, 5 to category S level M, type 1 (Helicopters) to category U level G Equipment identified as Category X – no test... -
Page 53: Trig Avionics Limited
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF Nomenclature: TY92 VHF radio Part No: 00879-00-01 ETSO: 2C169a Manufacturer: Trig Avionics Limited Address: Heriot Watt Research Park, Riccarton, Edinburgh, Scotland, EH14 4AP Conditions DO-160F Description of Conducted Tests... -
Page 54: Trig Avionics Limited
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF Equipment identified as Category X – no test Explosion required Equipment identified as Category X – no test Waterproofness 10.0 required Equipment identified as Category X – no test Fluids Susceptibility 11.0... -
Page 55: Trig Avionics Limited
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF Nomenclature TC90 Radio Controller Part No: 00857-00-01 ETSO: 2C169a Manufacturer Trig Avionics Limited Address Heriot Watt Research Park, Riccarton, Edinburgh, Scotland, EH14 4AP Conditions DO-160F Description of Conducted Tests... -
Page 56: Trig Avionics Limited
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF Equipment identified as Category X – no test Explosion required Waterproofness 10.0 Equipment tested to Category W (front face only) Equipment identified as Category X – no test Fluids Susceptibility 11.0... -
Page 57: Installation Drawings
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF 12. Installation Drawings 12.1 Mounting tray fixing and overall dimensions All dimensions in millimetres ______________________ Trig Avionics Limited... -
Page 58: Trig Avionics Limited
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF 12.2 Front Panel Controller Dimensions Controller shown without the mounting adapters (00678-00) used for 57mm (2¼ inch) instrument mounting. All dimensions in millimetres. ______________________ Trig Avionics Limited... -
Page 59: Trig Avionics Limited
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF 12.3 Front Panel Cut-out Options The front panel controller can be fitted to either the compact mounting hole or a conventional 57mm (2¼ inch) instrument cut-out. The compact mounting is a truncated 58 mm opening;... -
Page 60: Trig Avionics Limited
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF Note: The following diagram is intended to be to scale, however variations in the printing process mean that you MUST check all dimensions before using it as a template. - Page 63 TY91/TY92 VHF Radio...
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Page 69: Trig Avionics Limited
TY91/TY92 VHF Radio Installation Manual 24 November 2014 00839-00 Issue AF This page intentionally left blank ______________________ Trig Avionics Limited Page 67...
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