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Becker AR 3201 Installation And Operation Manual

Vhf-transceiver
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V H F - T r a n s c e i v e r
AR 3201 - ( )

Installation and Operation

Manual DV 28110.03
Issue 1 April 1992
B E C K E R F L U G F U N K W E R K G M B H Baden Airpark
B 108
D-77836 Rheinmünster Telephon +49 (0) 7229 / 305-0
E-Mail info@ becker-avionics.de or support@becker-avionics.de

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  • Page 1: Installation And Operation

    V H F - T r a n s c e i v e r AR 3201 - ( ) Installation and Operation Manual DV 28110.03 Issue 1 April 1992 B E C K E R F L U G F U N K W E R K G M B H Baden Airpark B 108 D-77836 Rheinmünster Telephon +49 (0) 7229 / 305-0 E-Mail info@ becker-avionics.de or support@becker-avionics.de...
  • Page 2 F I R S T I S S U E A N D C H A N G E S I s s u e ..1 ..A p r i l 1 9 9 2 L I S T O F E F F E C T I V E P A G E S P a g e N o .

  • Page 3: Table Of Contents

    AR 3201 - ( ) Table of contents Section GENERAL INFORMATION Page Introduction Purpose of equipment General description Variants survey Specifications 1.5.1 General data Transceiver 1.5.2 Receiver specifications 1.5.3 Transmitter specifications 1.5.4 Optional functions Certification Accessories Scope of delivery Software DV 28110.03/.04 Issue 04/92...
  • Page 4 AR 3201 - ( ) Blank 1-II DV 28110.03/.04 Issue 04/92...

  • Page 5: General Information

    AR 3201 - ( ) Section GENERAL INFORMATION Introduction The following Handbooks describe the VHF-communications transceiver AR 3201 - ( ). The Handbooks DV 28110.03 (,, Installation and Operation ‘‘) and DV 28110.04 (,,Maintenance and Repair‘‘) contain the following sections : Section DV 28110.03 DV 28110.04...

  • Page 6: General Description

    AR 3201 - ( ) rigid fuselage mounting in all aircraft. The VHF transceiver is designed for compliance with RTCA and EUROCAE airworthiness requirements. General description The VHF transceiver is designed as a single-block unit with dimensions in keeping with 58 mm diameter standard instrument size.

  • Page 7: Variants Survey

    AR 3201 - ( ) The transceiver also contains a stage for monitoring the aircraft supply voltage. This stage is ON as soon as the transceiver is switched on. Should the aircraft supply voltage drop to 11 V - 10.5 V, the readout will commence flashing.
  • Page 8 AR 3201 - ( ) Transceiver AR 3201-( ) Drawing No./ Type Voltage Tamperature Temperature Order No measurement measurement measurement channel channel in deg Celsius in deg. Fahrenheit 28110-00000.000 AR 3201-( ) 389.528-910 28111 -00000.000 AR 3201-(1) 397.156-910 28112-00000.000 AR 3201-(2) 397.164-910 28113-00000.000 AR 3201-(3)

  • Page 9: Specifications

    AR 3201 - ( ) Specifications 1.5.1 General data Transceiver Operating voltage 12,4 V . . . 15,1 V Emergency operation (10,0 V) Intelligible communication Current consumption 14 V without Panel illumination Receive ,, stand by ‘‘ typ. 70 mA Receive ,, stand by ‘‘...

  • Page 10: Transmitter Specifications

    AR 3201 - ( ) Squelch fixed in unit, defeatable with squelch switch AGC characteristic from 5 V . . . 100 mV emf 6 dB Undesired radiation 4 x 10 watt Distortion / m = 85% 10 % Frequency response audio channel relative to 1000 Hz / 0 dB 6 dB 350 Hz .

  • Page 11: Optional Functions

    AR 3201 - ( ) Frequency response 6 dB 350 Hz . . . 2500 Hz Distortion / m = 85% / 1000 Hz m = 85% / 350 - 1000 Hz Carrier noise level 35 dB 1.5.4 Optional functions Digital voltmeter (operating voltage indication) 7 V .

  • Page 12: Scope Of Delivery

    AR 3201 - ( ) When the transceiver incorporates the temperature or voltage measurement option, the following items are required : 1 Cable connector complete Order No. 431.036-950 Detail parts 1 Cable connector plug for option Order No. 710.687-277 Temperature sensor - 65°C . . . 150°C Order No.
  • Page 13 AR 3201 - ( ) Table of contents Section INSTALLATION Page General Pre-instailation check 2.2.1 General 2.2.2 Visual inspection Mechanical installation 2.3.1 Mechanical installation VHF transceiver 2.3.2 Mechanical installation of a temperature sensor Installation wiring 2.4.1 General 2.4.2 Microphone connection 2.4.3 Speaker/headphones connection 2.4.4...
  • Page 14 AR 3201 - ( ) Blank 2-II DV 28110.03/.04 Issue 04/92...

  • Page 15: Section 2 Installation Page

    AR 3201 - ( ) Section INSTALLATION General Installation of the VHF communication transceiver and the battery box depends on the type of aircraft and equipment involved, the instructions given in this section thus being only generally applicable. Pre-instailation check 2.2.1 General Prior to fitting the new system in the aircraft, the units must be checked according to the following...

  • Page 16: Installation Wiring

    AR 3201 - ( ) The temperature measuring circuit in the VHF transceiver and the temperature sensor are calibrated in the factory together for optimum temperature measuring accuracy. Should the device o r the temperature sensor develop a fault or should the transceiver need replacing, the device will need recalibrating according to the instructions as given in Section 5, Item 5.7.

  • Page 17: Speaker/Headphones Connection

    AR 3201 - ( ) View showing components side of audio module Standard Mike Dyn. Mike Fig. 2-1 Jumpers location for charging the microphone input from dynamic to standard microphone 2.4.3 Speaker/headphones connection The audio output of the transceiver is compatible with a 4 speaker or headphone with an impedance of 300 - 600 or both in parallel without having to switch the transceiver over.

  • Page 18: Auxiliary Audio Input (Optional) (Standard As Of Module No. 471)

    AR 3201 - ( ) Fig. 2-2 Panel connection Auxiliary audio input (optional) (standard as of module No. 471) The auxiliary audio input permits audio input from other equipment in the aircraft. This input can only be heard, however, in the RX mode. The possibility of circuiting two units together finds application in aircraft having, for instance, only one transceiver and one NAV receiver.
  • Page 19 AR 3201 - ( ) Fig. 2-4 Dimensions of VHF transceiver DV 28110.03/.04 Issue 04/92 Page 2-5...
  • Page 20 AR 3201 - ( ) Fig. 2-5 Aircraft wiring Page 2-6 DV 28110.03/.04 Issue 04/92...
  • Page 21 AR 3201 - ( ) Fig. 2-6 Wiring diagram AR 3201 - ( ) with Speaker - Junction DV 28110.03/.04 Issue 04/92 Page 2-7...

  • Page 22: Testing After Installation

    AR 3201 - ( ) Testing after installation 2.6.1 Ground testing with engine OFF After installing the transceiver, measure antenna matching between antenna base and antenna feeder by means of a VHF reflection meter (voltage/standing-wave meter). Over the complete frequency range of the transceiver, the voltage/standing-wave ratio must be within the value 3 : 1.
  • Page 23 AR 3201 - ( ) Table of contents Section Operating Instructions Page Control and Indicators Operating instructions for serial no. 0 to serial no. 3999 Operating instructions serial no. 4000 upwards Storing frequencies Setting the emergency frequency 3.5.1 Setting the emergency frequency on models with serial numbers up to 3999 3.5.2 Setting the emergency frequency on models with...
  • Page 24 AR 3201 - ( ) Blank 3-II DV 28110.03/.04 Issue 04/92...

  • Page 25: Operating Instructions Page

    AR 3201 - ( ) Section Operating Instructions Control and Indicators Fig. 3-1 Controls and indicators Controls and indicators Description Function Volume control Potentiometer Turning control clock-wise increases volume continuously. ON/OFF switch combined with 3-position rocker switch Postion OFF : squelch VHF transceiver OFF.
  • Page 26 AR 3201 - ( ) Controls and indicators Description Function Channel selector 5-position rotary switch Position A : When the transceiver is powerd up, a brief test routine is performed for the segments of the display. Afterwards the channel frequency 121,500 MHz appears in the display and the transceiver is ready for operation.

  • Page 27: Operating Instructions For Serial No. 0 To Serial No. 3999

    AR 3201 - ( ) Controls and indicators Description Function Store button Pushbutton Briefly pressing the STORE button causes the display frequency to be stored in one of the four memory locations, provided that the channel selector switch is not in position A, but set to one of the four memory positions (1 - 4).

  • Page 28: Storing Frequencies

    AR 3201 - ( ) selector switch is in position A. If the channel selector switch is set to one of the stored channel frequencies (any one of switch positions 1 through 4), then the channel frequency stored in that memory location will appear in that display.

  • Page 29: Lc Display Blinking

    AR 3201 - ( ) LC display blinking As soon as the operating voltage for the transceiver drops to a value of 10.5 V to 11 V, the display starts blinking to signalize, e.g. in battery operation that the batteries need recharging. The display will start blinking in transmitter operation since this situation involves the highest current drain.

  • Page 30: Precautions

    AR 3201 - ( ) 3.11 Precautions In order to secure a reliable transceiver operation, please note the following precautions: a) Before running-up the engines, ensure that the transceiver is switched off. b) Always conduct a verbal pre-flight check. Note that in the vicinity of a flight control, a broken or shorted antenna cable must not necessarily impair the function.

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