Telex Airman 8 Operating Instructions Manual
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Telex Airman 8 Operating Instructions Manual

Noise-reducing headset
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Airman 8

Operating Instructions

F.01U.307.704 Rev. 02
MAY/2017

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Summary of Contents for Telex Airman 8

  • Page 1: Operating Instructions

    Airman 8 Operating Instructions F.01U.307.704 Rev. 02 MAY/2017...
  • Page 2 Bosch is prohibited. *All other trademarks are property of their respective owners. ARRANTY AND ERVICE NFORMATION For warranty and service information........... www.telex.com/warranty USTOMER UPPORT Technical questions should be directed to: Customer Service Department Bosch Security Systems, Inc.

  • Page 3: Important! Read Before Use

    • Never attempt to repair a headset which is not operating correctly. Contact the Telex dealer you purchased the headset through or authorized repair facility. • Only replace parts of the headset whose replacement is described within this manual.
  • Page 4 4 Important! Read Before Use Airman 8 Rev. 02 F.01U.307.704 Bosch Security Systems, Inc. Operating Instructions...

  • Page 5: Table Of Contents

    Table Contents IMPORTANT! READ BEFORE USE ......3 INTRODUCTION ............7 General Description ............7 Features ................7 FAA ..................8 Reference View ..............10 Connections ..............11 INSTALLATION ............13 Installation ................ 13 Headband Adjustment and Sizing ........15 Ear Cup Adjustment ............16 Mic Placement ..............
  • Page 6 Airman 8 TROUBLESHOOTING ..........31 Label Information ..............38 SPECIFICATIONS ............39 Specifications ..............39 Part Number Information ..........42 Notes ................43 Operating Instructions Rev. 02 Bosch Security Systems, Inc. F.01U.307.704...

  • Page 7: Introduction

    The Telex Airman 8 is a lightweight noise-reducing headset designed specifically for optimizing pilot communications in commercial and business turbine aircraft. Building on the tradition of the Airman 850, the Airman 8 has improved durability, intelligibility, and comfort. The Airman 8 is the lightest ANR (Active Noise Reduction) headset on the market and the only FAA TSO C139a approved ANR headset to utilize Telex’s proprietary battery-free,...

  • Page 8: Faa

    8 Introduction Airman 8 The Telex Airman 8 Headset is approved for aircraft use under FAA TSO-C139A. The conditions and tests required for the TSO approval of this article are minimum performance standards. It is the responsibility of those installing this article, either on or within a specific type or class of aircraft, to determine that the aircraft installation conditions are within the TSO standards.
  • Page 9 Airman 8 Introduction 9 DO-160G DESCRIPTION OF TESTS CONDITIONS SECTION CONDUCTED Fungus 13.0 Not Applicable Salt Fog Test 14.0 Not Applicable Magnetic Effect 15.0 Equipment is Category Z Power Input 16.0 Equipment tested to Category A Voltage Spike 17.0 Equipment tested to Category A Audio Frequency Susceptibility 18.0...

  • Page 10: Reference View

    10 Introduction Airman 8 Reference View Headband Pad Boom Rotator Headset Sliders Cord with Strain Relief Ear Cushions Boom Ear Cup Rotators Windscreen/Microphone F.01U.307.704 Rev. 02 Bosch Security Systems, Inc. Operating Instructions...

  • Page 11: Connections

    Airman 8 Introduction 11 Connections Airman 8 Series headsets are available with multiple connector styles depending on the application of use. All models utilize custom cables developed specifically for in cockpit use. All connection points implement strain and bend relief features to provide long-term durability. Shielded wire throughout the headset protects against RFI (Radio Frequency Interference) and EMI (Electromagnetic Interference).
  • Page 12 12 Introduction Airman 8 5-Pin XLR Aircraft Cable Description Color Headphone Signal Yellow Headphone GND Black/Outer Shield Mic Power and Signal White Mic GND and ANR Return Blue/Inner Shield ANR In Power + F.01U.307.704 Rev. 02 Bosch Security Systems, Inc.

  • Page 13: Installation

    CHAPTER 2 Installation Installation To install the headset for use, do the following: Step 1 Inspect the headset for signs of damage. Do not use the headset if signs of damage are evident. Step 2 Plug the headset into the aircraft console (see “Install the Dual Plug Headset in an Aircraft”...
  • Page 14 14 Installation Airman 8 Install the Dual Plug Headset in an Aircraft To install the dual plug headset in an aircraft, do the following: Insert the microphone plug (smaller plug) into the microphone jack on the aircraft audio panel. Insert the headset plug (larger plug) into the headset jack on the aircraft audio panel.

  • Page 15: Headband Adjustment And Sizing

    Installation 15 Headband Adjustment and Sizing The Airman 8 headset is designed to rest evenly on top of the head with each ear cup sitting centered and flush on each ear. The headset should fit over the head without pinching or gapping.

  • Page 16: Ear Cup Adjustment

    16 Installation Airman 8 Ear Cup Adjustment To adjust the ear cup to fit correctly, do the following: Swivel the ear cup left or right to position the ear cup flat on the > ear. NOTE: Over time, repositioning the headset may be necessary for comfort.

  • Page 17: Mic Placement

    Airman 8 Installation 17 Mic Placement The headset ships with the boom positioned at the top of the headband. Rotate the entire boom overhead to wear the microphone on either the right or left side of the head. There are boom rotation stops on each side of the boom CAUTION: rotation.

  • Page 18: Microphone Gain Adjustment

    18 Installation Airman 8 To properly place the mic, do the following: Rotate the boom to the side you want to use (left or right). Bend the boom to position the mic in from of the mouth. NOTE: For best noise-cancelling quality, place the boom mic as close to the mouth as possible and speak into the mic.

  • Page 19: Clothing Clip Assembly And Attachment

    Airman 8 Installation 19 Clothing Clip Assembly and Attachment Using the clothing clip reduces the cord weight from the headset. The clothing clip comes attached to the cord and only needs to be adjusted up or down, for best use.
  • Page 20 20 Installation Airman 8 F.01U.307.704 Rev. 02 Bosch Security Systems, Inc. Operating Instructions...

  • Page 21: Using The Headset

    CHAPTER 3 Using the Headset ANR System ANR (Active Noise Reduction) is used to reduce unwanted noise in the headset from the surrounding environment. By reducing unwanted background noise, the user is able to reduce the volume level of the intended sounds providing more intelligible communications and long term hearing safety.
  • Page 22 22 Using the Headset Airman 8 ANR is only available when power is applied to the IMPORTANT: microphone. When conditions allow for boom microphone power only during push-to-talk, it may be preferred to keep the ANR power switch in the off position.

  • Page 23: Headphone Volume Adjustment

    Airman 8 Using the Headset 23 Headphone Volume Adjustment The Airman 8 has a HI/LO switch that allows you to control the headset volume. When required, the user can increase or decrease headphone volume level by moving the volume HI/LO switch.
  • Page 24 24 Using the Headset Airman 8 F.01U.307.704 Rev. 02 Bosch Security Systems, Inc. Operating Instructions...

  • Page 25: Care & Maintenance

    CHAPTER 4 Care & Maintenance Recommended Maintenance Schedule NOTE: Ear cushions, headband pads, and microphone wind screens are considered wear items. For proper headset performance, these items need to be inspected and replaced at regular intervals. See the maintenance schedule below for more information. Headset performance diminishes if items are not replaced when deterioration or damage is apparent.

  • Page 26: Cleaning The Headset And Connectors

    26 Care & Maintenance Airman 8 Cleaning the Headset and Connectors IMPORTANT: Do not allow alcohol or any liquid to touch the speaker or microphone element directly. To clean the headset, do the following: Using a mild detergent with water and a soft towel, or isopropyl >...
  • Page 27 Airman 8 Care & Maintenance 27 Verify the cushion is seated properly before use. To remove the headband pads, do the following: Grasp the edge of the headband pad. Gently pull the headband pad away from the headband. To replace the headband cushions, do the following: Remove the paper from the sticky side of the headband pad.

  • Page 28: Installing And Replacing The Hygienic Covers

    28 Care & Maintenance Airman 8 Installing and Replacing the Hygienic Covers NOTE: Two hygienic covers are included with the headset. However, extra hygienic covers can be purchased separately. To replace the hygienic covers, do the following: Grasp the edge of the hygienic cover where it folds into the slot on the ear cup.

  • Page 29: Headset Storage

    Airman 8 Care & Maintenance 29 Headset Storage To store the headset, do the following: Move the boom mic above the headband. Fold the ear cups flat. F.01U.307.704 Rev. 01 Bosch Security Systems, Inc. Operating Instructions...
  • Page 30 30 Care & Maintenance Airman 8 Coil the cord into a loop. Place the coiled cord and headset in the carrying case. F.01U.307.704 Rev. 01 Bosch Security Systems, Inc. Operating Instructions...

  • Page 31: Troubleshooting

    CHAPTER 5 Troubleshooting Troubleshooting “No one can hear me when I talk” on page 32. • “Others only hear me sporadically or my voice is distorted and • unintelligible” on page 33. “I cannot hear anyone who is trying to speak to me” on page 34. •...
  • Page 32 32 Troubleshooting Airman 8 Issue Possible Cause Solution No one can hear Microphone not Verify microphone is • • me when I talk connected correctly. plugged in correctly. Verify no breaks or • damage to cord (If damaged, headset needs to be serviced).
  • Page 33 Airman 8 Troubleshooting 33 Issue Possible Cause Solution Others only hear Microphone is not Reposition microphone to • • me sporadically located correctly. correct location closely to or my voice is front of month. For more distorted and information, see “Mic unintelligible Placement”...
  • Page 34 34 Troubleshooting Airman 8 Issue Possible Cause Solution I cannot hear Headphones not Verify headphone is • • anyone who is connected correctly. plugged in correctly. trying to speak Verify no breaks or • to me damage to cord. Headphones are not Reposition headphones •...
  • Page 35 Airman 8 Troubleshooting 35 Issue Possible Cause Solution I hear others Headphones have Check and clean • • only sporadically poor connection to the connectors and or what I hear is aircraft. re-connect to aircraft. distorted and Headphones are not Reposition headphones •...
  • Page 36 36 Troubleshooting Airman 8 Issue Possible Cause Solution Headphones are ANR power switch is Switch headset to on • • not blocking not set to on position. position. background Power is not being Verify with authorized • • noise received from the avionics technician if aircraft.
  • Page 37 Airman 8 Troubleshooting 37 Issue Possible Cause Solution Headphones are Power is not being Verify with an authorized • • oscillating, received from the avionics technician that creating aircraft. microphone or XLR unexpected connector power source noise, or are is working.

  • Page 38: Label Information

    38 Troubleshooting Airman 8 Label Information Box Label Information FIGURE 1. The Datamatrix ECC200 holds the following information: CTN Number • Serial Number • SAP Part Number • Datamatrix ECC200 • Example Headband FIGURE 2. Rev. 02 F.01U.307.704 Bosch Security Systems, Inc.

  • Page 39: Specifications

    CHAPTER 6 Specifications Specifications Receiver Type: Dynamic Impedance: 600  +/-20% @ 1 kHz Frequency Response: (Per RTCA DO-214a) < 10dB max. to min. over the range 350 to 3500Hz Sensitivity: (Per RTCA DO-214a) 93 dB +/- 4 dBSPL Microphone and Amplifier Element Type: Noise-canceling amplified electret F.01U.307.704...
  • Page 40 40 Specifications Airman 8 Frequency Response: (Per RTCA DO-214a) Sensitivity: (Per RTCA DO-214a) -28dB +/- 2 re 1V/Pa at 1kHz, 12V via Do-214a 2.6.2.1 Operating Voltage: (Per RTCA DO-214a) 8-28 VDC (470 TSO load circuit) ANR: Power Supply -0210 Receives power from boom microphone connection (See...
  • Page 41 Airman 8 Specifications 41 Attenuation Provides up to 15dB of attenuation between 100Hz and 1500Hz Connector Type For model AIRMAN 8-0210 Dual Plug Connector Microphone PJ-068 or equivalent Headphones PJ-055 or equivalent For model AIRMAN 8-0211 Microphone and 5-pin Male XLR...

  • Page 42: Part Number Information

    Double Side ANR Headset, XLR5, 600Ohm AIRMAN7-0900 Replacement Windscreen for Airman 7 or 8, 2 pcs. AIRMAN8-0900 Replacement Supple Ear Cushion for Airman 8, 2 pcs. AIRMAN7-0904 Replacement Clothing Clip for Airman 7 or 8 AIRMAN7-0905 Replacement Carrying Case for Airman 7 or 8...

  • Page 43: Notes

    Airman 8 Specifications 43 Notes Rev. 02 F.01U.307.704 Bosch Security Systems, Inc. Operating Instructions...
  • Page 44 Bosch Security Systems, Inc. 12000 Portland Avenue South Burnsville, MN 55337 U.S.A. www.boschcommunications.com...

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