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Becker GT6201-05 Installation And Operation Manual

Vhf-ground-transceiver
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Becker Avionics GmbH ● Baden Airpark B108 ● 77836 Rheinmünster ● Germany
Telephone +49 (0) 7229 / 305-0 ● Fax +49 (0) 7229 / 305-217
http://www.becker-avionics.com ● e-mail: info@becker-avionics.com
VHF-Ground-Transceiver
GT6201-05
GT6201-10
Software Versions:
SCI1050S305 Version 3.08
SCI1051S305 Version 1.56
and upwards

Installation and Operation

Manual
Manual
DV 17001.03
Issue 4
January 2015

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  • Page 1: Installation And Operation

    Installation and Operation Manual Manual DV 17001.03 Issue 4 January 2015 Becker Avionics GmbH ● Baden Airpark B108 ● 77836 Rheinmünster ● Germany Telephone +49 (0) 7229 / 305-0 ● Fax +49 (0) 7229 / 305-217 http://www.becker-avionics.com ● e-mail: info@becker-avionics.com...
  • Page 2 Issue 4 January 2015 LIST OF EFFECTIVE PAGES Page No.: Date: Page No.: Date: Cover Page 01/2015 I … VI 01/2015 1 … 52 01/2015 DV 17001.03 / Article Number 0640.093-071 © 2015 by Becker Avionics GmbH / All rights reserved...
  • Page 3 GT6201 Preface Dear Customer, Thank you for purchasing this BECKER AVIONICS product. We are confident that our GT6201 VHF-Ground-Transceiver will meet your expectations. GT6201 VHF Ground-Transceivers are a modern family of communication equipment that have comprehensive capabilities and significantly extend the typical aeronautical transceivers. All GT6201 VHF Ground-Transceivers variants are not approved for flight! For airborne use the BECKER AR6201 series perfectly corresponds to the GT6201.
  • Page 4 GT6201 Blank Page _________________________________________________________________________________________ Page II DV 17001.03 Issue 4 01/2015...

  • Page 5: Table Of Contents

    GT6201 Table of Contents List of Abbreviations Section 1 GENERAL DESCRIPTION Introduction ......................1 Purpose of Equipment ..................1 General Notes ..................... 1 1.3.1 GT6201 Single Block Transceiver ................ 2 Features Overview....................3 Technical Data ..................... 5 1.5.1 Power Supply Data ....................5 1.5.2 General Data .......................
  • Page 6 GT6201 Factory Default Settings ..................30 Typical Post Installation Checks ................ 32 2.9.1 Mechanical Installation and Wiring Check ............32 2.9.2 Power Supply ....................32 2.9.3 Receiver / Transmitter Operation ............... 32 2.9.4 Antenna Check ....................32 2.10 Trouble Shooting ....................33 Section 3 OPERATION Safety Instructions .....................
  • Page 7 GT6201 List of Abbreviations AF ....Audio Frequency ATT ....Attenuation AUX ....Auxiliary AWG ....American Wire Gauge BNC ....Bayonet Neill Concelman CBIT ....Continuous Built-In Test CFG ....Configuration CH ....Channel COM ....Communication DC ....Direct Current EASA ....
  • Page 8 GT6201 TSO ....Technical Standard Order TX ....Transmit VOX ....Voice Operated IC Threshold (not in use for ground applications) VHF ....Very High Frequency VDC ....Voltage Direct Current VSWR ....Voltage Standing Wave Ratio VU ....Volume Unit Units V ......

  • Page 9: General Description

    GT6201 Section 1 GENERAL DESCRIPTION Introduction This manual describes the operation and installation of the GT6201 VHF Transceiver Family. The ID label on your device shows the part number for identification purposes. Before starting to operate the unit(s), please read this manual carefully with particular attention to the description referring to your device.

  • Page 10: Gt6201 Single Block Transceiver

    In continuation of the very successful portable/mobile VHF transceiver BECKER AR4201, the new VHF Transceiver GT6201 for ground applications offers latest standards and is ideally suited for vehicle installations and constitutes the basis element for a variety of other products like the GK61X portable system or the TG660 (19 inch) series.

  • Page 11: Features Overview

    GT6201 Features Overview Frequency Indication A liquid crystal display (LCD) provides the frequency indication. The required operating frequency is set by means of the rotary knob. The relation between the real operating frequency and the displayed frequency is according to standard (ICAO Annex 10, Volume II). For an overview, refer to the table below.
  • Page 12 GT6201 AF Auxiliary Input The AF auxiliary input is an interface to connect external audio (e.g. other radio services, music- player) to the transceiver. Interconnection of multiple external audio sources on this particular port requires additional external decupling/isolation resistors. The external audio is audible only when the transceiver is in the receive mode.

  • Page 13: Technical Data

    Extended supply voltage range ..... 10.25 V … 32.2V Emergency operation ........9.0 V to 10.25 V Dimming control ..........0…14 V or 0…28 V Typical Power Consumption GT6201-10 GT6201-05 6 Watt 10 Watt Nominal supply voltage range 11.0 … 30.3 V DC 11 …...

  • Page 14: General Data

    GT6201 1.5.2 General Data GT6201-10 GT6201-05 6 Watt 10 Watt Frequency range 118.000 MHz to 136.9916 MHz Channel spacing 8.33/25 kHz Number of channels 2280 + 760 Storage temperature range -55°C to +85°C Operating temperature range -20°C to +55°C 6 to 10 W TX power between 11 … 24 V/DC, 10 W at 24 V/DC and above.

  • Page 15: Receiver Data

    ≥ 100 mW into 600 Ohm 50 mV to 8 V (adjustable) across 600 Audio auxiliary input Offset-Carrier operation 1.5.5 Transmitter Data GT6201-05 GT6201-10 Output power into 50 Ohm (with and without ≥ 6 W ≥ 10 W modulation) Frequency tolerance ≤...

  • Page 16: Emergency Operation

    Unauthorized changes or modifications to the GT6201 VHF transceivers may void the compliance to the required regulatory agencies and authorization for continued equipment usage. GT6201 complies with ETSI EN 300 676 regulations Part Number Article Number GT6201-10 0637.361-923 GT6201-05 0637.351-923 _________________________________________________________________________________________ Page 8 DV 17001.03 Issue 4 01/2015...

  • Page 17: Accessories

    GT6201 1.5.8 Accessories Available accessories for GT6201 can be purchased with the following Article Numbers. The connector kit or mounting kit as required for equipment installation is normally included in the delivery of your purchased Transceiver. The following information is needed for spare part order. Vehicle Kit VK4201 Article-No.: 0892.424-923 1PM012...
  • Page 18 GT6201 Blank Page _________________________________________________________________________________________ Page 10 DV 17001.03 Issue 4 01/2015...

  • Page 19: Installation

    GT6201 Section 2 INSTALLATION The installation of the VHF transceiver depends on the type of application. Therefore, only general information can be given in this section. Limitations GT6201 VHF Ground-Transceiver is designed been installed as ground based transceiver for management of air and ground traffic operations. The equipment design do not allow for installation in areas contaminated with fluids regularly.

  • Page 20: Electrical Installation

    GT6201 Figure 2-2: GT6201 front view, Figure 2-3: Drilling jig for back-panel mounting; dimensions in mm and (inches) dimensions in mm and (inches) Electrical Installation Figure 2-4: Car Cable Harness 1K044 _________________________________________________________________________________________ Page 12 DV 17001.03 Issue 4 01/2015...

  • Page 21: Connectors And Pin Assignment For Gt6201

    GT6201 Electrical Interface 2.4.1 Connectors and Pin Assignment for GT6201 Antenna Connector (Position 1) The antenna connector (Figure 2-5, position 1) is a BNC type. The antenna port is designed for operating with a nominal impedance of 50 Ohm. Grounding Bolt (Position 2) The transceiver has a M4 threaded grounding bolt (Figure 2-5, position 2) allowing a low impedance grounding of the unit, which is essential to avoid damage or malfunction in the case of indirect lightning, EMI and HIRF conditions.
  • Page 22 GT6201 Pin No. Pin Name Direction Function P1-12 P_SUPP Power supply hot (positive) P1-13 P_SUPP_GND Power supply ground (return) P1-14 SPK_LO Speaker ground (return) P1-15 LINE_OUT Linear audio output, unbalanced P1-16 AGC_OUT Receiver AGC output P1-17 /PTT1 Press To Talk key input1 ACTIVE state - closed contact to GND P1-18 MIKE_STD1_HI...

  • Page 23: Inputs / Outputs Detailed Description

    GT6201 Pin No. Pin Name Direction Function J1-14 TX1- Secondary control & service interface J1-15 RX1- Secondary control & service interface J1-16 not connected J1-17 /SQL_SW “Squelch Force-OFF” input ACTIVE state - closed contact to GND J1-18 not connected J1-19 not connected J1-20 /ISOL...
  • Page 24 GT6201 Microphone Connection - Dynamic Microphone Pin No. Pin Name Direction Function P1-5 MIKE_DYN_HI Balanced input for dynamic microphone(s) P1-6 MIKE_DYN_LO Balanced input for dynamic microphone(s) For interfacing with dynamic microphone(s), the transceiver has a balanced input with an impedance of 140 Ohm and a nominal sensitivity of 1.6 mV. This sensitivity level of 1 mV to 20 mV is adjustable in the installation setup.
  • Page 25 GT6201 The VHF transceiver provides illumination for push-buttons and LC Display. In the installation setup it can be configured if this illumination is controlled via front panel or externally via pins P1-10 and P1-23 Connect ILL_LO (pin P1-10) to car ground. Connect ILL_HI (pin P1-23) to dimming bus. “Auxiliary”...

  • Page 26: Installation And Configuration Of Gt6201 Transceivers

    2. Use AWG 20 for power supply and AWG 22/24 for other cables. 3. Fit sleeves over the solder joints on the equipment connector. Crimp connectors are also available from BECKER. 4. Protect the power supply with a 7.5 A fuse.

  • Page 27: Antenna Installation

    GT6201 The VHF transceiver is protected internally by a 7 A SMD not resettable fuse. • Type-specific cable harnesses are also available for the vehicle´s wiring (contact BECKER for detailed information). • No RF antenna cables or HF cables should be included in the cable harnesses of the system.

  • Page 28: Vu Meter

    GT6201 2.7.6 VU Meter The VU Meter allows correct adjustment of audio input sensitivity. Display Contents Description VU Meter is displayed on all sensitivity setting menus, it is located in the middle below the menu name and above the dedicated sensitivity setting bar It displays the current audio level value on selected audio input (“Current audio level”) and holds the highest value of active audio level recorded during the last 3 seconds (displayed as...
  • Page 29 GT6201 Display Contents Description The page “ILLUM CURVE” is displayed only if the DIMMING input is either selected for “14V or 28V” dim-bus voltage. The illumination curve shows the relation between dimming bus voltage and brightness of the LCD and push-button illumination. Two adjustable points V1 and V2 define the illumination curve.
  • Page 30 GT6201 Display Contents Description On “MDE PAGES” page three options are selectable by means of the “ROTARY ENCODER”. The three frequency selection modes provide different user interfaces for operating frequency selection. Enabling/Disabling can be toggled by pushing the “STO” button. STANDBY FREQUENCY enables/disables “Standard Mode”.
  • Page 31 GT6201 Display Contents Description During signal reception on the “ACTIVE FREQUENCY”, a switch over to the “PRESET FREQUENCY” is not possible. The audio remains on “ACTIVE FREQUENCY” and a short beep tone is audible. Additionally the “PRESET FREQUENCY” will appear contrast inverted in a sequence of approximately one second.
  • Page 32 GT6201 Display Contents Description STD3 MIKE - standard microphone input 3 (Pins P1-19/ P1-8) is selected. DYN MIKE - dynamic microphone input (Pins P1-6/ P1-5) is selected. NONE - No microphones is used in microphone path 2. “MIC ACTIVATION”: BOTH MIKES ENABLED: •...
  • Page 33 GT6201 Display Contents Description On “IN/OUT CFG 2” page the microphone inputs and headphone outputs for configuration CFG2 can be configured. This page is displayed only if MIKE_SW input (Pin J1-24) has active state. Please remember, when MIKE_SW connected in installation both configurations for IN/OUT CFG1 and IN/OUT CFG2 shall be configured To scroll the page turn the “ROTARY ENCODER”.
  • Page 34 GT6201 Display Contents Description • input /IC (Pin P1-7) activates intercom only from microphone path 1. “OUTPUTS” HDPH 1 ENABLED - audio available on headphone 1 output (Pins P1-2/P1-3). HDPH 1 DISABLED - no audio is available on headphone 1 output.
  • Page 35 GT6201 Display Contents Description The sensitivity of Standard Microphone 2 Input can be adjusted in range from 9 mV to 1500 mV by turning the rotary knob. The default setting is 110 mV. VU meter displays current value of Audio Level from standard microphone input 2 and displays the highest value of Active Audio Level recorded during the last 3 seconds.
  • Page 36 GT6201 Display Contents Description The sensitivity of the Dynamic Mike, “DYN MIKE SENS”, input is adjustable within a range of 0.5 mV to 25 mV by turning the “ROTARY ENCODER”. The factory setting is 3.5 mV. When speaking normally into the microphone the bar graph should remain within the recommended predefined range.
  • Page 37 GT6201 Display Contents Description The “SCAN HOLD_TIME” is adjustable within the range of 1 to 60 seconds by turning the “ROTARY ENCODER”. Note: 1. For normal operation it is recommended to leave the setting at 1. 2. The default factory setting is 1. The sidetone attenuation “SIDETONE ATT”...

  • Page 38: Factory Default Settings

     CHANNEL STORE  STORE LAST CHANNEL MDE PAGES  STANDBY FREQUENCY  BATTERY VOLTAGE  CHANNEL MEMORY LOW BATT THR 10.5 V GT6201-05 21.0 V GT6201-10 CONFIG  TANDEM  AUX_IN  AUTO ISOL IN TX  SCAN BEEP ...
  • Page 39 GT6201 Setting name Value  DYN MIKE  NONE MICROPHONE 2  STD 1 MIKE  STD 2 MIKE  STD 3 MIKE  DYN MIKE  NONE MIC ACTIVATION  BOTH MIKES OUTPUTS  HEADPHONE 1  HEADPHONE 2 ...

  • Page 40: Typical Post Installation Checks

    GT6201 Setting name Value EREASE FREQUENCY LABELS FAIL LIST EREASE FAIL LIST RECALL DEF. Typical Post Installation Checks 2.9.1 Mechanical Installation and Wiring Check Verify all cables are stored securely and shields connected properly to signal ground. Verify all screws are tight and the connectors on the rear side of the unit are secured. 2.9.2 Power Supply Check the power supply lines and confirm correct polarity.

  • Page 41: Trouble Shooting

    GT6201 2.10 Trouble Shooting Problem Possible Reason Proposed Solution The VOX threshold cannot be VOX is forced off, because Switch speaker “OFF”. adjusted at all. VOX is always off. speaker is on. Refer to chapter 2.7. Too high cabin noise during The sensitivity of the microphone Adjust the microphone transmit operation.
  • Page 42 GT6201 Blank Page _________________________________________________________________________________________ Page 34 DV 17001.03 Issue 4 01/2015...

  • Page 43: Operation

    GT6201 Section 3 OPERATION Note 1: In this section the figures for illustrating display content mainly show transceivers working in 8.33 + 25 kHz mixed mode. Dedicated pictures for 25 kHz mode are not explicitly shown, as the display content is very similar (They differ only in number of digits for frequency).

  • Page 44: Controls

    GT6201 3.2.1 Controls Symbol Description Main Function A ”Short press” during normal operation toggles the RX -SQL ON/OFF. IC/SQL (Intercom/Squelch) A “Long press” during normal operation activates Intercom Menu. “Short press” during normal operation changes the frequency selection mode. (Mode) “Long press”...

  • Page 45: Start-Up

    GT6201 Start-Up CAUTION: Do not switch ON the GT6201 VHF transceiver during engine start or shut-down because excessive pulses on the DC bus of the vehicle may cause damage on electrical circuits of any installed instrument. a. Turn “ON” the VHF transceiver by turning the volume knob clockwise. b.

  • Page 46: Frequency Selection Modes

    GT6201 Frequency Selection Modes Following frequency selection modes are available on GT6201: • Standard mode, • Direct tune mode, • Channel mode, • Scan mode (sub-mode within standard mode). The first three modes (standard mode, direct tune mode and channel mode) provide different user interfaces for convenient selection of the operating frequency.

  • Page 47: Direct Tune Mode

    GT6201 3. Press the “ROTARY ENCODER“ once again to select the 25/8.33 kHz digits. Then rotate the “ROTARY ENCODER” clockwise/counter clockwise to change the frequency. Each short press on the “↨/SCN” key interchanges the active and preset frequency. Note: While the transceiver is in transmission mode, this toggle function is disabled. Press the “STO”...

  • Page 48: Channel Mode

    GT6201 3. Press the “ROTARY ENCODER“, again to select the 25/8.33 kHz digits. Then rotate the “ROTARY ENCODER” clockwise/counter clockwise to change the frequency. Notes: 1. The changes immediately become active. 2. Changing the active frequency is only possible when the transceiver is not transmitting.

  • Page 49: Scan Mode

    GT6201 Last Channel Database In order to select the new channel number from LAST channels database make a counter clockwise turn on the “ROTARY ENCODER“. The channel number is now highlighted and one of the nine last used channels is selectable by turning the “ROTARY ENCODER“, either clockwise or counter clockwise.

  • Page 50: Squelch

    GT6201 Note: Transmission always uses the active frequency, even if the monitored frequency is currently audible. If TX on the pre-set frequency is required push the “↨/SCN” key to swap active and pre-set frequency. Squelch Independent of the selected operation menu, squelch can be toggled “ON” or “OFF” by a short press on “SQL/IC”...

  • Page 51: Channel Spacing Mode

    GT6201 Channel Spacing Mode The transceiver provides two frequency channel spacing operation modes (8.33 kHz and 25 kHz), selectable by means of pressing “STO” and “MDE” keys simultaneously for at least 2 seconds. 8.33 kHz channel spacing (left) / 25 kHz channel spacing (right) In 25 kHz mode 5 frequency digits are shown.

  • Page 52: Automatic Storage Function

    GT6201 Pressing the “STO” key once again assigns the Active Frequency to the selected channel number, regardless of the channel is “FREE” or “USED” indicated. The transceiver automatically stores the alphanumeric label assigned to the active frequency. If the frequency has no label attached, ten underscore digits allow the operator to insert a label. The cursor automatically appears on the first position (see figures below).

  • Page 53: Vox & Speaker Operation (Not Used For Ground Applications)

    GT6201 3.11 VOX & Speaker Operation (not used for ground applications) Depending on the wiring and installation setup, speaker may always be enabled, or speaker can be enabled/disabled by switching configurations using the external switch /MIKE_SW. When speaker is enabled and is not muted the display will show the sign.

  • Page 54: Users Menu

    GT6201 Intercom VOX Menu (not used for ground applications) The active frequency is indicated in the top line of the display, while the “IC VOX” label and below this a bar graph with numerical value are shown in the bottom line. By means of the “ROTARY ENCODER“...

  • Page 55: Warning And Failure Indications

    GT6201 The panel brightness for display illumination and pushbuttons can be changed from 0 (illumination off) to 100 (maximum brightness) by turning the “ROTARY ENCODER“. Note: This page is not available if in installation setup the dimming input is set to 14 V or 28 V.
  • Page 56 GT6201 Display Contents Description “STUCK PTT” is indicated after 120 seconds of continued transmission. The transceiver goes back to receive mode even if the PTT line is still active (GND). For initiating a new transmission, the PTT line needs first to become inactive (open).

  • Page 57: Certification Document

    GT6201 Section 4 Certification Document _________________________________________________________________________________________ DV 17001.03 Issue 4 01/2015 Page 49...
  • Page 58 GT6201 _________________________________________________________________________________________ Page 50 DV 17001.03 Issue 4 01/2015...
  • Page 59 GT6201 _________________________________________________________________________________________ DV 17001.03 Issue 4 01/2015 Page 51...
  • Page 60 GT6201 _________________________________________________________________________________________ Page 52 DV 17001.03 Issue 4 01/2015...

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