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Park Air Systems T6TR User Documentation

Vhf 50 w transceiver
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T6TR VHF 50 W Transceiver
User Documentation

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Summary of Contents for Park Air Systems T6TR

  • Page 1 T6TR VHF 50 W Transceiver User Documentation...
  • Page 2 When logged on, select the public (Pub) folder, then the Handbook Errata Sheets folder, and then select the required equipment model. [Adobe Acrobat™ must be loaded on your PC to use this facility] Handbook Title: T6TR VHF 50 W Transceiver User Documentation Handbook Part Number: 31-36T62TRV Handbook Version:...
  • Page 3 This is a registered trademark of International Business Machines. Microsoft This is a registered trademark of Microsoft Corporation in the USA and other countries. Windows This is a registered trademark of Microsoft Corporation in the USA and other countries. T6TR VHF 50 W Transceiver Page iii...
  • Page 4 MARC multi-access remote control millimetre milliwatt megahertz minimum shift keying power amplifier personal computer printed circuit board pk-pk peak-to-peak parts per million power supply unit press to transmit Page iv T6TR VHF 50 W Transceiver...
  • Page 5 Changes or modifications to this equipment, not expressly approved by Park Air Systems Ltd, could void your authority to operate this radio under FCC regulations. This equipment is only licensed for operation on 25 kHz channel spacing.
  • Page 6 About This Hard Copy This document, apart from the preface, is a hard copy of the files contained on the CD and comprises the following parts: Preface (not on CD) Introduction Specification Operation Installation Maintenance. Page vi T6TR VHF 50 W Transceiver...
  • Page 7 Back to Transceiver Main Page Introduction This topic gives a brief introduction to the T6TR VHF 50 W Multimode Transceiver.

  • Page 8: Mechanical Installation

    Main Page Purpose The T6TR VHF multimode 50 W transceiver is intended for use in fixed ground environments such as airports and en-route centres. The transceiver operates in voice and ICAO defined data modes at frequencies between 118 and 136.975 MHz for the standard model, and between 112 and 155.975 MHz for the extended frequency model.

  • Page 9: Frequency Selection

    A print out of the radio’s profile can be made from the VFP. The front panel controls can be locked. Front Panel Lock is available only when using the VFP. Fig 2 Typical VFP Presentation T6TR VHF 50 W Transceiver Page 3 Introduction...
  • Page 10 Back to Transceiver Main Page Intentionally Blank...

  • Page 11: Specification

    Main Page Specification This topic gives the specification applicable to the T6TR VHF 50 W Multimode Transceiver operating in AM modes, Mode 2 and Mode 3. All radios operate in AM-Voice mode. Additional software must be loaded to allow AM-MSK,...

  • Page 12: General Specification

    Main Page General Specification The general specification applies to a transceiver irrespective of the selected operating mode. Variants The T6TR VHF Multimode Transceiver is available in two variants as listed in Table 1. Table 1 Transceiver Variants Description Part Number...

  • Page 13: Dimensions And Weight

    40°C it reduces to half speed again. The transceivers also include an additional temperature controlled fan contained in the power supply. Warm up time All variants are fully operational to specification within 20 seconds after switch on. T6TR VHF 50 W Transceiver Page 3 Specification...
  • Page 14 The transceivers are capable of both 25 kHz channel spacing and 8.33 kHz channel spacing. AM-MSK 25 kHz only. Offset Carrier AM-Voice The T6TR is capable of offsetting the carrier frequency to provide 2, 3 and 4-carrier offset. AM-MSK Not available. Harmonic Outputs All variants...
  • Page 15 +0.5 dB and -1.5 dB across the frequency range 350 Hz to 2500 Hz. The response is also less than -10 dB at 100 Hz and below, and less than -30 dB at 3200 Hz and above. T6TR VHF 50 W Transceiver Page 5 Specification...

  • Page 16: Transmit Control

    AM-MSK data is connected to the transceiver via an external modem connected to the line inputs. PTT Timeout The timeout period is adjustable from 2 to 510 seconds in 2 second steps or can be disabled. T6TR VHF 50 W Transceiver Page 6 Specification...
  • Page 17 30% modulated unwanted signal spaced at 200 kHz from the channel frequency. 105 dB or greater (reference 30 dB SINAD and degraded by 10 dB) in the presence of a 30% modulated unwanted signal spaced at 3 MHz. T6TR VHF 50 W Transceiver Page 7 Specification...
  • Page 18 +1 dB and -2 dB across the frequency range 350 to 2500 Hz. The response is less than -10 dB for frequencies at or below 100 Hz, and less than -30 dB at 4 kHz and above. T6TR VHF 50 W Transceiver Page 8 Specification...

  • Page 19: Receive Control

    The transceiver’s outputs are the remote 600 ohm balanced audio line, the headset output and the loudspeaker. Line level output is adjustable between -30 and +10 dBm. AM-MSK Audio Output AM-MSK data is connected to an external modem through the remote audio line output. T6TR VHF 50 W Transceiver Page 9 Specification...
  • Page 20 Receive RF Characteristics Sensitivity The transceiver has a sensitivity better than -102 dBm for 1x10 Bit Error Rate (BER) with Reed Solomon decoding off. Channel Spacing Mode 2 channel spacing is 25 kHz. T6TR VHF 50 W Transceiver Page 10 Specification...
  • Page 21 A BER better than 1x10 with Reed Solomon decoding off is achieved for received signals of -102 dBm to +10 dBm. Frequency Offsets The transceiver operates with frequency offsets up to 826 Hz. T6TR VHF 50 W Transceiver Page 11 Specification...
  • Page 22 In order to improve co-location performance where maximum sensitivity cannot be realized due to large unwanted signals, the transceiver’s sensitivity can be reduced by 6 dB. This is achieved by switching on the 6 dB RF pre-attenuator from the front panel menu system. T6TR VHF 50 W Transceiver Page 12 Specification...
  • Page 23 +10 dBm. The AGC attack time is less than 0.5 ms and the decay time is less than 1 ms for a 40 dB step input. Frequency Offsets The transceiver operates with frequency offsets up to 826 Hz. T6TR VHF 50 W Transceiver Page 13 Specification...
  • Page 24 Back to Transceiver Main Page Intentionally Blank...

  • Page 25: Operation

    Back to Transceiver Main Page Operation This topic describes the transceiver’s operating controls and indicators. It also details how to set up the transceiver’s operating parameters.

  • Page 26: Controls And Indicators

    The supply volts falls below a pre-defined level. Any other BIT condition results in an alarm. When detected, the Alarm indicator lights and the Ready indicator becomes unlit; the transceiver cannot be used. T6TR VHF 50 W Transceiver Page 2 Operation...

  • Page 27: Ready Indicator

    0 to 3 V pk-pk. Microphone input Input 2 to 35 mV rms on Passive setting and 8 to 140 mV rms on Active setting to remain in VOGAD range. Ground 0 V. T6TR VHF 50 W Transceiver Page 3 Operation...
  • Page 28 When the Power Switch is set to the Standby position, dangerous voltages are still present in the transceiver's internal power supply circuitry. To ensure safe working, the transceiver must be isolated from the ac and dc input supplies. = On = Standby T6TR VHF 50 W Transceiver Page 4 Operation...

  • Page 29: Setting Up And Operation

    Control screen. Further use of the Switch displays various selection menus and allows the required parameters to be set. The switch has three actions: it can be turned clockwise, anti- clockwise, or momentarily pushed in. T6TR VHF 50 W Transceiver Page 5 Operation...

  • Page 30: Screen Protocol

    When Exit is selected, you are returned to the Main screen. Menu System The front panel control of the radio is implemented through a hierarchical menu system as shown on the following page. T6TR VHF 50 W Transceiver Page 6 Operation...
  • Page 31 Mode 2 Settings Screen AM-Voice Settings AM-MSK Mode on page 25 and Mode 3 Procedure on Settings Procedure Settings Screen on page 19 on page 22 page 25 Menu System T6TR VHF 50 W Transceiver Page 7 Operation...

  • Page 32: Control Screen

    Select operating mode and mode settings > > Initiate a BIT test and view results C o n f View software configuration a n d b y Enter or exit standby mode < < T6TR VHF 50 W Transceiver Page 8 Operation...
  • Page 33 118.110 MHz 118.1166 MHz 8.33 kHz 118.115 MHz 118.1250 MHz 25 kHz 118.125 MHz 118.1250 MHz 8.33 kHz 118.130 MHz 118.1333 MHz 8.33 kHz 118.135 MHz 118.1416 MHz 8.33 kHz 118.140 MHz T6TR VHF 50 W Transceiver Page 9 Operation...
  • Page 34 Table 5 Relationship between Line Level, Output Levels with Average Speech and Sine Wave Line Level Setting Output Level with Output Level with (Front Panel Setting) Average Speech Sine Wave (dBm) (dBm) (dBm) T6TR VHF 50 W Transceiver Page 10 Operation...
  • Page 35 Repeat until the required frequency is shown, then highlight OK and press the switch. Only frequencies that fall between the band edge settings can be selected. T6TR VHF 50 W Transceiver Page 11 Operation...
  • Page 36 (see Channel Screen - Example 3) is displayed. If a frequency not valid for the mode of operation is entered, a message (see Channel Screen - Example 4) is displayed. T6TR VHF 50 W Transceiver Page 12 Operation...
  • Page 37 T e s t e a s e W a i On completion, and if the interruptive test was initiated from the front panel, one of the following screens will be shown. T6TR VHF 50 W Transceiver Page 13 Operation...
  • Page 38 T e s t F A I Selecting OK takes the user back to the BIT screen. The user can then scroll through the screen to check out transceiver parameters for failure. T6TR VHF 50 W Transceiver Page 14 Operation...

  • Page 39: Standby Mode

    To Exit Standby Mode Press the Switch. Select Yes. a n d b y ? Check that the Main screen is displayed and that the front panel Standby indicator is unlit. Y e s T6TR VHF 50 W Transceiver Page 15 Operation...
  • Page 40 Main Page Settings Operational settings for the T6TR VHF transceiver are configured at the front panel, through the VFP, and through an associated MARC system (or compatible control system). Some settings can also be made remotely via a T6 controller. The Settings screen is entered from the Control screen.
  • Page 41 On or Off page 20 AM-MSK page 23 Squelch noise AM-Voice On or Off page 20 compensation AM-MSK page 23 Squelch carrier AM-Voice On or Off page 20 override AM-MSK page 23 T6TR VHF 50 W Transceiver Page 17 Operation...
  • Page 42 Remote PTT AM-Voice Enabled or Disabled Enabled page 21 AM-MSK page 23 Remote phantom AM-Voice Enabled or Disabled Enabled page 21 AM-MSK page 23 Self receive AM-Voice On or Off page 21 T6TR VHF 50 W Transceiver Page 18 Operation...
  • Page 43 Antenna c/o delay (on or off) Enable or disable remote PTT Offset Enable or disable remote phantom PTT Squelch (See “Squelch Setting Options” on Self receive page 24.) RF pre-attenuation (on or off) T6TR VHF 50 W Transceiver Page 19 Operation...
  • Page 44 O F F On or Off. A u d i A G C On or Off. S p e a k e r On or Off. E x i < < > > T6TR VHF 50 W Transceiver Page 20 Operation...
  • Page 45 Enabled or Disabled. E x i < < > > S e l R e c e i O F F On or Off. B a c k E x i < < T6TR VHF 50 W Transceiver Page 21 Operation...
  • Page 46 Enable or disable local PTT Modulation depth Enable or disable remote PTT Antenna c/o delay (on or off) Enable or disable remote phantom PTT. Squelch (See “Squelch Setting Options” on page 24.) T6TR VHF 50 W Transceiver Page 22 Operation...
  • Page 47 R e m o t P T T Enabled or Disabled. R e m P h a n P T T Enabled or Disabled. B a c k E x i < < T6TR VHF 50 W Transceiver Page 23 Operation...
  • Page 48 Using the RF Pre-Attenuator Selecting the RF pre-attenuator to On provides a 6 dB reduced sensitivity feature to improve co-location performance where maximum sensitivity cannot be realised due to large unwanted signals T6TR VHF 50 W Transceiver Page 24 Operation...
  • Page 49 This is an advisory screen. Pressing OK returns the user to the Main screen. M o d e 3 p a r a m e t s e t T 1 / a c e T6TR VHF 50 W Transceiver Page 25 Operation...
  • Page 50 > > P h a n S q l O u t S T D S q l D e f S T D B a c k E x i < < T6TR VHF 50 W Transceiver Page 26 Operation...
  • Page 51 MARC audio, pin 6 that closes to give a 0 V output relay contact that opens when when the squelch circuits are the squelch circuits are (MARC Sql Out) defeated (aircraft calling). defeated (aircraft calling). T6TR VHF 50 W Transceiver Page 27 Operation...
  • Page 52 PTT reference are within When the input PTT signal and 1 V, the radio dekeys. the PTT reference are within 1 V, the radio keys. Other conditions are indeterminable. Other conditions are indeterminable. T6TR VHF 50 W Transceiver Page 28 Operation...
  • Page 53 TTL input. 0 V indicates an TTL input. 5 V indicates an external fault. external fault. External VSWR Facilities, pin 4 TTL input. 0 V active. TTL input. 5 V active. Input T6TR VHF 50 W Transceiver Page 29 Operation...
  • Page 54 Pass, Fail or Not Tested. P A S S Pass, Fail or Not Tested. S e n s i P A S S Pass, Fail or Not Tested. E x i < < > > T6TR VHF 50 W Transceiver Page 30 Operation...
  • Page 55 Active or Inactive. H D L C N A C T I T 1 / N A C T I Active or Inactive. B a c k E x i < < T6TR VHF 50 W Transceiver Page 31 Operation...
  • Page 56 P A S S Pass or Fail. P A S S Pass or Fail. M A R C A C T I Active or Inactive. E x i < < > > T6TR VHF 50 W Transceiver Page 32 Operation...
  • Page 57 Active or Inactive. H D L C A C T I T 1 / A C T I Active or Inactive. B a c k Active or Inactive. E x i < < T6TR VHF 50 W Transceiver Page 33 Operation...
  • Page 58 /v v represents its version. 6 5 - x x x x x x x x / D e s c r o n ] E x i < < > > T6TR VHF 50 W Transceiver Page 34 Operation...
  • Page 59 S o f w a r and /v v represents its version. 6 5 - x x x x x x x x / D e s c r o n ] T6TR VHF 50 W Transceiver Page 35 Operation...
  • Page 60 120 to 130 MHz. Example: Transceiver set to transmit and receive only those frequencies in the ranges 120 to 125 MHz and 130 to 120.000 125.000 130.000 135.000 135 MHz. T6TR VHF 50 W Transceiver Page 36 Operation...
  • Page 61 P o w e r R e m o v e d RF power shut down (showing multiple causes of alarm). L o o p F A I S u p p l 1 8 V T6TR VHF 50 W Transceiver Page 37 Operation...
  • Page 62 Set antenna C/O AM-Voice - On delay on or off AM-MSK - Off Set frequency offset 0 (No offset) (AM-Voice only) Squelch level -107 dBm RF pre-attenuator on or off Continued >> T6TR VHF 50 W Transceiver Page 38 Operation...

  • Page 63: Front Panel

    Radio Settings (Digital Modes) MAC TM1 2.5 ms (inter access delay) MAC TM2 60 s (channel busy) MAC p (persistence) 13/256 MAC M1 (maximum number of access attempts) Continued >> T6TR VHF 50 W Transceiver Page 39 Operation...
  • Page 64 BIT interruptive test STD (active low) View input polarity state (AM modes only) E-bit input polarity STD (active low) View (All modes) state Squelch output STD (n/o) polarity at the MARC connector Continued >> T6TR VHF 50 W Transceiver Page 40 Operation...
  • Page 65 30 s Initiate BIT interruptive test STANDBY Enter and exit Not in Standby standby facility SOFTWARE CONFIGURATION View the transceiver’s software configuration LOCK FACILITIES Front panel lock MARC lock T1/E1 lock HDLC lock T6TR VHF 50 W Transceiver Page 41 Operation...
  • Page 66 Back to Transceiver Main Page Intentionally Blank...

  • Page 67: Installation

    Back to Transceiver Main Page Installation This topic gives the information required to install a T6TR VHF 50 W Multimode Transceiver.

  • Page 68: Warnings And Cautions

    Frequency Range 3 kHz to 300 GHz', and also in FCC document OET Bulletin 65. WARNING ESSDs The T6TR transceiver's circuitry contains Electrostatic Sensitive Devices (ESSDs). Personnel must be aware of the precautions necessary to prevent damage to such devices. During installation all precautions necessary to prevent ESSD damage must be taken.
  • Page 69 Main Page Introduction The procedures in this topic describe how to install a T6TR transceiver. The procedures necessary during installation are listed in Table 1 and it is recommended that they be completed in the order shown. Table 1 Installation Procedures...
  • Page 70 RJ48 plug 20K01080100 T1/E1 connector RJ48 plug 20K01080100 Reference connector BNC to SMB 2 metre long lead 17K11000004 Headset/Microphone/Diagnostics 7-pin DIN plug to 9-way D-type, radio 17E12600001 connector to PC interconnection lead T6TR VHF 50 W Transceiver Page 4 Installation...
  • Page 71 T6TR transceiver configured for remote operation (see T6TR transceiver configured for use with MARC (see T6TR transceiver to MARC RSE2 connections (see T6TR transceiver configured for use with an E1 radio interconnect (E1-RIC). See Fig 5 T6TR Mode 2 configuration (see...
  • Page 72 Park Air T6 controller Laptop (or PC) required only for maintenance Fig 2 T6TR Transceiver Configured for Remote Operation T6TR VHF 50 W Transceiver Page 6 Installation...
  • Page 73 Mic/Headset for engineering use Frequency Counter required only for maintenance Shows single channel connections at RSE2 Laptop (or PC) required only for maintenance Fig 3 T6TR Transceiver Configured for use with MARC T6TR VHF 50 W Transceiver Page 7 Installation...
  • Page 74 Equipment Connector 8 Connector Fig 4 Transceiver to MARC RSE2 Connections Fig shows the connection convention when connecting transceivers to a single RSE2. Table 3 Table 4 detail the pin to pin connections. T6TR VHF 50 W Transceiver Page 8 Installation...
  • Page 75 Transceiver MARC RJ48 Signal at Signal at RSE2 RSE2 Equipment Audio Connector Pin Transceiver Connector Pin Number Number Ground Ground Audio line in (+) Audio line L1 Audio line in (-) Audio line L2 T6TR VHF 50 W Transceiver Page 9 Installation...
  • Page 76 Connector Ready output Connector Tape output Mic/Headset for Frequency Counter engineering use required only for maintenance Laptop (or PC) required only for maintenance Fig 5 T6TR Transceiver Configured for use with E1-RIC T6TR VHF 50 W Transceiver Page 10 Installation...
  • Page 77 Connector Connector Mode 2 Network Computer Control and data Connects to the Reference connector Frequency Counter required only for Connects to the maintenance Headset/Diagnostics connector Fig 6 T6TR Transceiver Mode 2 Configuration T6TR VHF 50 W Transceiver Page 11 Installation...
  • Page 78 Mic/Headset/Diagnostics Reference Connector Connector Connector Mode 3 Network Computer Control and data Frequency Counter required only for maintenance Laptop (or PC) required only for maintenance Fig 7 T6TR Transceiver Mode 3 Configuration T6TR VHF 50 W Transceiver Page 12 Installation...

  • Page 79: Installation Procedures

    F2 should be rated T4A, 125V, UL. Neutral For a mains input in the range 220 to 230 Vac, fuse F2 should be rated T4A, 250V, IEC. Spare Fuse Holder for spare fuse (not supplied) T6TR VHF 50 W Transceiver Page 13 Installation...
  • Page 80 RF cable from the PA module to CN7. For two antenna configuration, connect the Rx antenna RF cable to CN7. Connect the adjacent RF cable from the PA module to CN12 (Park). Replace the transceiver’s bottom cover. T6TR VHF 50 W Transceiver Page 14 Installation...
  • Page 81 Back to Transceiver Main Page RX Antenna CN12 PARK Fig 9 Location of CN7 and CN12 T6TR VHF 50 W Transceiver Page 15 Installation...
  • Page 82 When fitted in the rack, the transceiver's front panel must be secured to the cabinet’s chassis using four M6 x 16 mm screws and plastic washers. Front Panel 88.9 29.0 41.7 47.0 152.8 207.5 232.2 378.2 390.9 All measurements in mm Fig 10 Slide Fittings T6TR VHF 50 W Transceiver Page 16 Installation...
  • Page 83 7; these figures should be used only as a guide. Front Panel Connectors The front panel has two connectors; Headset/Microphone/Diagnostics connector and Reference connector. These are shown in Fig 11. Fig 11 Front Panel T6TR VHF 50 W Transceiver Page 17 Installation...
  • Page 84 The Reference connector is an SMB plug used to monitor the radio’s reference frequency. It monitors the frequency at a level of 100 mV (±50 mV) with less than -10 dBc harmonics. T6TR VHF 50 W Transceiver Page 18 Installation...

  • Page 85: Rear Panel Connectors

    POWER 400VA max FUSE F1 FUSE F1 DC SUPPLY 21.6 - 32V 10A F15A 32V SEE INSTALLATION INSTRUCTIONS BEFORE CONNECTING SUPPLIES DISCONNECT SUPPLIES WHEN NOT IN USE DC SUPPLY Fig 12 Rear Panel (Connectors) T6TR VHF 50 W Transceiver Page 19 Installation...
  • Page 86 The line level figures shown for the MARC connector are the limits when testing the transceiver with sine wave modulation; the line level will be 10 dB above the line level setting. See the information supplied under the heading ‘Line Level Setting’ in the Operation topic. T6TR VHF 50 W Transceiver Page 20 Installation...
  • Page 87 Input will draw no more than 6 mA, requires at least 1 mA to operate. Configurable active high or low. Common reference to all inputs programmable to +14, 0 or -14 V (±1 V). T6TR VHF 50 W Transceiver Page 21 Installation...
  • Page 88 -60 to +60 V ac or dc. Relay = 100 mA maximum. Can be configured as normally open, or normally closed from the Polarities screen. Fig 14 Example Phantom Squelch Indication Diagram T6TR VHF 50 W Transceiver Page 22 Installation...
  • Page 89 Note: Rear panel switch must be in ON position for this function to operate. Ground 0 V. Unregulated supply This output is between 21.6 and 32 Vdc (nominally (output) 24 V) fused at 500 mA. T6TR VHF 50 W Transceiver Page 23 Installation...
  • Page 90 Power switch must be set to on and the E1-RIC must be powered from an external source. Ground 0 V. 20 to 35 Vdc (nominally Output supply used to power an E1-RIC. 28 V) T6TR VHF 50 W Transceiver Page 24 Installation...
  • Page 91 HDLC TX A ±50 ppm. (output) HDLC CL B RS422 differential synchronous data, 128 kbytes per second (output) ±50 ppm. Ground 0 V. Unregulated Supply 21.6 to 32 V, fused at 500 mA. (output) T6TR VHF 50 W Transceiver Page 25 Installation...

  • Page 92: External Speaker

    Table 12 External Speaker Signal Characteristic Speaker Drive (output) 0 to 3 V pk-pk. Connected directly to Ring. Ring Speaker Drive (output) 0 to 3 V pk-pk. Connected directly to Tip. Sleeve Ground 0 V. T6TR VHF 50 W Transceiver Page 26 Installation...
  • Page 93 Tape (output) 0 dBm fixed output into 600 ohm for 90% modulation depth. Reserved (output) Open collector NPN transistor grounding output, 200 mA max, configurable n/o or n/c. T6TR VHF 50 W Transceiver Page 27 Installation...

  • Page 94: Connect The Antenna(S)

    Further information on calculating the field strengths and power levels can be found in Health Canada Safety Code 6 'Limits of Human Exposure to Radiofrequency Electromagnetic Fields in the Frequency Range 3 kHz to 300 GHz', and also in FCC document OET Bulletin 65. T6TR VHF 50 W Transceiver Page 28 Installation...
  • Page 95 XLR3 connector (Park Air part number 20-01030106). Positive Negative Pin-out of DC connector looking into the mating face of the chassis mounted socket. Not used Fig 15 DC Connector T6TR VHF 50 W Transceiver Page 29 Installation...
  • Page 96 IEC publication 245 titled ‘Rubber Insulated Cables of Rated Voltages up to and Including 450/750 V (designation H05 RR-F)’. The T6TR transceiver is a Class 1 equipment. The ac supply cable should have a green-and-yellow protective earthing conductor electrically connected to the protective earthing terminal of the equipment connector and the mains plug.
  • Page 97 For example, the polarity of the PTT input and the polarity and configuration of the Antenna Change-over output. Failure to select the correct settings will result in incorrect operation. T6TR VHF 50 W Transceiver Page 31 Installation...
  • Page 98 Back to Transceiver Main Page Intentionally Blank...

  • Page 99: Maintenance

    Back to Transceiver Main Page Maintenance This topic gives scheduled maintenance procedures, details module replacement, and describes how to use the Virtual Front Panel (VFP).
  • Page 100 Back to Transceiver Main Page Introduction This section gives the scheduled and unscheduled maintenance procedures for the T6TR transceiver and shows how to use the Virtual Front Panel (VFP). Scheduled Maintenance A scheduled maintenance procedure is given on page 3. Park Air recommends that this task be completed every twelve months.

  • Page 101: Scheduled Maintenance

    20.950000 MHz ±10 Hz, then press the switch. Turn the switch clockwise until Exit is highlighted, then press the switch. You are returned to the Main screen. T6TR VHF 50 W Transceiver Page 3 Maintenance...
  • Page 102 For example 124.504 MHz When the frequency counter displays the exact operating frequency, press the Scroll/Select switch and stop keying the transceiver Disconnect the test equipment and reconnect the antenna. T6TR VHF 50 W Transceiver Page 4 Maintenance...
  • Page 103 Selecting OK takes the user back to the BIT T e s t screen. The user can then scroll through the screen to check out transceiver parameters for failure. F A I T6TR VHF 50 W Transceiver Page 5 Maintenance...
  • Page 104 Check that the transceiver continues to operate correctly from the dc supply. If accessed, the front panel BIT screen will show AC Supply as off and DC Supply as on. The value of the dc supply is also shown. T6TR VHF 50 W Transceiver Page 6 Maintenance...

  • Page 105: Unscheduled Maintenance

    The antenna used with the transceiver must be installed such that the resultant radiated field strength is below 10 W/m² in areas normally accessible to personnel. Caution ESSDs The T6TR transceiver’s circuitry contains Electrostatic Sensitive Devices (ESSDs). Personnel must be aware of the precautions necessary to prevent damage to such devices. Caution Unauthorized Modifications Changes or modifications made to this equipment that are not expressly approved by Park Air, or parties authorized by Park Air, could void the user’s authority to operate the...
  • Page 106 General Purpose Tool Kit (including a Power Meter 1.5 mm Allen key) Dummy Load 5 mm Nut Spinner PC to Radio Interconnection Lead Camel Hair Brush (Park Air part number 17E12600001) Clean Lint-free Cloths T6TR VHF 50 W Transceiver Page 8 Maintenance...

  • Page 107: Removing The Top Cover

    1234) preceeded by 1L. The 1 indicates a Mark 1 module and the L represents the year of manufacture. If in doubt, before changing the module contact customer services at Park Air. T6TR VHF 50 W Transceiver Page 9 Maintenance...
  • Page 108 8 mm-4-40 UNC screws that secure the Processor module interface connectors CN5 and CN6 to the rear panel. Remove the seven M3 x 8 mm screws that secure the module to the transceiver’s mainframe. Remove the module from the chassis. T6TR VHF 50 W Transceiver Page 10 Maintenance...
  • Page 109 Park Air as a spare for a particular radio will be programmed with compatible operating and Fill software. Park Air keeps records of module software in all radios T6TR VHF 50 W Transceiver Page 11 Maintenance...
  • Page 110 CN1 4-way connector (4-wire cable from power supply) CN9 2-way connector (2-wire cable ac input to power supply) CN8 3-way connector (2-wire loom to rear panel ac input connector plus chassis connection). Remove the module from the chassis. T6TR VHF 50 W Transceiver Page 12 Maintenance...

  • Page 111: Removing The Bottom Cover

    Power supply (requires top and bottom covers to be removed) PA module (requires top cover and bottom covers to be removed) Front Panel PCB assembly (requires top cover and bottom covers to be removed). T6TR VHF 50 W Transceiver Page 13 Maintenance...
  • Page 112 CN12 SMB connector (connects to CN13 on the PA module) or Rx antenna connection (see configuration on page 16). Remove the seven M3 x 8 mm captive washer screws that secure the module to the transceiver’s mainframe. Remove the module from the chassis. T6TR VHF 50 W Transceiver Page 14 Maintenance...
  • Page 113 Remove the VFP PC to radio interconnection lead and set the rear panel Power switch to Standby. Isolate the transceiver from the ac and/or dc supplies. (10) Refit the transceiver’s bottom cover. The transceiver can now be returned to service. T6TR VHF 50 W Transceiver Page 15 Maintenance...
  • Page 114 Main Page RX Antenna Connector CN12 PARK Antenna Connector CN12 Connector CN7 Configuration PARK Single Rx antenna CN13 (from PA Module) Dual CN13 (from PA Module) Rx antenna Fig 2 Antenna Configuration T6TR VHF 50 W Transceiver Page 16 Maintenance...
  • Page 115 Ensure the front panel Ready indicator is lit and the Alarm indicator is unlit. Carry out a BIT interruptive test as detailed in the procedure To Initiate a BIT Test on page T6TR VHF 50 W Transceiver Page 17 Maintenance...
  • Page 116 PA from the bottom and top of the mainframe as shown in 13. Ensure the PA module is well supported during this operation. Withdraw the PA module from the mainframe taking care not to snag the wiring looms. T6TR VHF 50 W Transceiver Page 18 Maintenance...
  • Page 117 (12) Remove the VFP PC to radio interconnection lead and set the rear panel Power switch to Standby. Isolate the transceiver from the ac and/or dc supplies. (13) Refit the transceiver’s top and bottom covers. The transceiver can now be returned to service. T6TR VHF 50 W Transceiver Page 19 Maintenance...
  • Page 118 M5 x 16 mm panhead screws (see 14, Diagram A). Route the ribbon cable to the Processor module connector CN4 and connect it. Route the SMB connector to CN5 on the PA Control/Rx RF module and connect it. T6TR VHF 50 W Transceiver Page 20 Maintenance...
  • Page 119 Re-establish the ac and/or dc supplies. Switch power on at the radio using the rear mounted Power switch. Ensure the front panel Ready indicator is lit and the Alarm indicator is unlit. T6TR VHF 50 W Transceiver Page 21 Maintenance...
  • Page 120 Lock and T1E1 Lock are available when using the VFP. When selected to on, no settings or frequency information can be changed from the MARC equipment screen, or the digital control equipment. Fig 3 Typical VFP Screen - AM-Voice Profile Shown T6TR VHF 50 W Transceiver Page 22 Maintenance...
  • Page 121 This category allows a radio’s profile to be loaded into the VFP, allows a profile to be downloaded from the VFP to a radio, calibrates a radio and initiates a BIT test. Help Provides detail about the VFP software. T6TR VHF 50 W Transceiver Page 23 Maintenance...

  • Page 122: Settings Window

    When the VFP application is started it attempts to open Com 1 as a default selection. If this is not possible an error box is displayed. A valid serial port can be selected from the Serial Port Settings box. T6TR VHF 50 W Transceiver Page 24 Maintenance...
  • Page 123 To load information from the radio, select Radio > Retrieve > All Radio > Retrieve > Settings Radio > Retrieve > Channel Radio > Retrieve > BIT If required, amend any radio Settings or Channel information. T6TR VHF 50 W Transceiver Page 25 Maintenance...
  • Page 124 An interruptive BIT test now takes place. The results are displayed in the BIT window. If there is no further requirement for using the VFP, exit the VFP software and disconnect the radio from the PC. T6TR VHF 50 W Transceiver Page 26 Maintenance...
  • Page 125 This completes the calibration routine. (13) When there is no further requirement for using the VFP, exit the VFP software and disconnect the radio from the PC. T6TR VHF 50 W Transceiver Page 27 Maintenance...
  • Page 126 Back to Transceiver Main Page Fine Power Adjust Fig 5 Location of RV9 T6TR VHF 50 W Transceiver Page 28 Maintenance...
  • Page 127 110V - 120V T4A 125V UL POWER 400VA max FUSE F1 DC SUPPLY FUSE F1 21.6 - 32V 10A F15A 32V SEE INSTALLATION INSTRUCTIONS BEFORE CONNECTING SUPPLIES DISCONNECT SUPPLIES WHEN NOT IN USE DC SUPPLY Rear View Fig 6 T6TR Front and Rear Panels...
  • Page 128 Fast ATR Output (T6T) transistor Unregulated Supply 21.6V to 32V Front Panel Connections Name Characteristic CN4-21 CN1-21 Ground Squelch Output (T6TR) Solid-state relay grounding Regulation CN4-22 CN1-22 +15 V Supply +15 V output CN6-1 10 mV/°C + 0.5V CN4-23 CN1-23...
  • Page 129 Back to Transceiver Main Page Processor Module Receive Antenna Connector Transmit Antenna Connector Regulation Module VHF TR RF PA VHF TR PA Control Module & RX RF Module Power Supply View on underside - Bottom Cover removed Top view - Top Cover removed T6 Series 2 VHF Transceiver Module Location Diagram Front Panel Module...
  • Page 130 Back to Transceiver Main Page Fig 9 Processor Module - Removal and Refitting Detail...
  • Page 131 Back to Transceiver Main Page Brown (L) Blue (N) Fig 10 PSU Regulator Module - Removal and Refitting Detail...
  • Page 132 Back to Transceiver Main Page Fig 11 PA Control/Rx RF Module - Removal and Refitting Detail...
  • Page 133 Back to Transceiver Main Page Fig 12 Power Supply - Removal and Refitting Detail...
  • Page 134 Back to Transceiver Main Page Fig 13 PA Module - Removal and Refitting Detail...
  • Page 135 Back to Transceiver Main Page Diagram B Diagram A Fig 14 Front Panel Assembly PCB - Removal and Refitting Detail...
  • Page 136 Back to Transceiver Main Page Fig 15 Cooling Fan - Removal and Refitting Detail...

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