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 F.01U.196.221

Rev. 08

OCTOBER/2011

Summary of Contents for Telex Ascend

Page 1: ...F 01U 196 221 Rev 08 OCTOBER 2011 ...

Page 2: ...n whole or in part without prior written permission from Bosch is prohibited Warranty and Service Information For warranty and service information refer to the appropriate web site below Aviation Headsets www telex com warranty RTS www rtsintercoms com warranty RTSTW www rtstw com warranty AudioCom www telexaudiocom com warranty RadioCom www telexradiocom com warranty Headsets www intercomheadsets...

Page 3: ...nd Crash Safety 7 0 Equipment identified as Category X N A by DO 214 2 5 4 1 and 2 5 4 2 Vibration 8 0 Equipment tested to Category S aircraft zone 2 instrument panel or console mounting Aircraft type 2 Fixed Wing Turbojet or Turbofan engines using vibration test curve B Explosive Atmosphere 9 0 Equipment identified as Category X N A Waterproofness 10 0 Equipment identified as Category X N A Fluid...

Page 4: ...150 F01U201758 or ASY000798001 ASY000858001 PRD000249000 F01U201758 or ASY000798001 ASY000857000 PRD000249050 F01U201758 or ASY000798001 ASY000857001 PRD000250000 F01U201763 or ASY000798000 ASY000858000 PRD000250050 F01U201763 or ASY000798000 ASY000858001 PRD000250100 F01U201763 or ASY000798000 ASY000858000 PRD000250150 F01U201763 or ASY000798000 ASY000858001 PRD000251000 F01U201763 or ASY00079800...

Page 5: ...15 Battery Charging 15 Battery Installation 15 Installation Instructions 16 Aircraft Installation 16 Audio Input Installation 17 OPERATION AND MAINTENANCE 19 Operation Instructions 19 Remove and Replace Modules 19 Headset Adjustment and Sizing 21 Boom Mic Adjustment 22 Turn the ANR On Off ANR Capable Headset Only 23 Configure the Speaker Volume 24 Set Mono or Left Only Mode 25 Replace the Earcup a...

Page 6: ...ATIONS 37 Specifications 37 TROUBLESHOOTING AND FAQS 39 My ANR Active Noise Reduction is no longer working 39 My headset does not work with my cell phone or MP3 player 39 I need parts for my headset 39 Technical Support phone number 39 I want to repair my headset at home 39 How long will it take my headset to be repaired 39 ...

Page 7: ...dule 13 FIGURE 4 Battery Charger Reference Diagram 13 FIGURE 5 Standard Power Supply and Plug Adapters 14 FIGURE 6 Proper Headset Placement 21 FIGURE 7 Boom Mic Movement 22 FIGURE 8 ANR Switch 23 FIGURE 9 Carrying Case 29 FIGURE 10 Battery Charger Reference Diagram 32 FIGURE 11 Dual Plug Wiring Diagram 35 FIGURE 12 5 Pin XLR male Wiring Diagram 35 FIGURE 13 Music Entertainment Module Connector Wir...

Page 8: ...Bosch Security Systems Inc Technical Manual F 01U 196 221 Rev 08 8 Ascend ...

Page 9: ...unit must only be charged with the Telex specified battery charger Care should be used when transporting the battery when not installed in a headset battery terminals must not contact any continuous conductive surface as this may result in a short circuit situation 9 Our headsets are designed to be used with one 1 audio input module at a time General Description Congratulations You have made you f...

Page 10: ...fully interchangeable giving you more flexibility in your headset needs The versatility of the Ascend is obvious when using the music audio module The music audio module turns the aviation headset into an everyday everywhere headset allowing for MP3 player hookup GPS connection and many other applications Acoustic Performance Expanded frequency response ensures clear communications and enhanced au...

Page 11: ...al F 01U 196 221 Rev 08 Headset Single Sided FIGURE 14 Single Sided Headset Reference View 1 Headset Adjustment Slider For more information see Headset Adjustment and Sizing on page 21 2 Headband Cushion 3 Temple Pad 4 Ear Cushion 5 Windscreen 6 Boom Mic 7 Side Pads ...

Page 12: ...gram 1 Headset Slider 2 Headband Cushion 3 ANR Switch ANR equipped module only NOTE The switch label is used to determine the on and off position for ANR 4 Battery Module Filler Module 5 Ear Cup Cushions 6 Microphone Module 7 Microphone Windscreen 8 Side Pads FIGURE 15 Dual Sided and ANR Dual Sided Headset Reference View ...

Page 13: ...ight ear cup Battery Charger 1 Operation Mode LED For more information see Battery Module on page 31 2 Module Release Button 3 Power Supply Connector NOTE The battery charger uses a universal power pack with a mini USB connector Alternative power packs may be used provided they are equipped with the mini USB connector for example a cell phone charger FIGURE 16 Filler Module FIGURE 17 Battery Charg...

Page 14: ...01U 196 221 Rev 08 Battery Charger Power Supply Standard Power Supply 1 Wall Pack 2 US Plug standard World Power Supply Adapters Optional p n PRD000253005 3 UK Plug optional 4 Euro Plug optional 5 Australian Plug optional FIGURE 18 Standard Power Supply and Plug Adapters ...

Page 15: ... application settings When using the headset in an aviation application use the following sections to verify the proper configuration and settings Before First Use Battery Charging For information on charging the battery see Charge the Battery on page 32 Battery Installation For information on installing the battery see Remove and Replace Modules on page 19 ...

Page 16: ... the speaker volume see Configure the Speaker Volume on page 24 To install the Ascend headset for aircraft use do the following Step 1 Plug the headset into the aircraft console See Install the Dual Plug Headset in an Aircraft on page 16 or Install the XLR Plug Headset in an Aircraft on page 17 Step 2 Adjust the headset for proper fit and comfort See Headset Adjustment and Sizing on page 21 Step 3...

Page 17: ... etc CAUTION Be sure to check the volume setting on the audio device you are using to ensure the audio level will not cause any damage when turned on To use the Ascend headset for audio input do the following NOTE The battery module is only needed when you want to use the ANR feature with the audio input configuration Step 1 If necessary install the battery module into the headset See Battery Modu...

Page 18: ...18 Configuration and Installation Ascend Bosch Security Systems Inc Technical Manual F 01U 196 221 Rev 08 ...

Page 19: ...eplaced the same way IMPORTANT When removing a module put only enough pressure on the module release button to pop the module out The module release button is designed to be used with fingers only Do not use any sharp objects or tools to press the module release button To remove a module do the following 1 Press the module release button located at the bottom of the ear shell The module pops up fr...

Page 20: ... 196 221 Rev 08 2 Slide the module out and up taking care to clear the mounting tab from the mounting tab hole To replace a module do the following 1 Align the mounting tab with the mounting tab hole 2 Slide the module into place 3 Press down on the module snapping it into the ear shell ...

Page 21: ...nd ears without pinching or gapping A comfortable fit is conducive to effective and pleasant use To adjust the headband size do the following 1 With the headset resting securely on the top of the head slide the ear shell up and down to center the ear cup over the ear 2 Swivel the ear shell left or right to position the ear cup straight on the ear FIGURE 19 Proper Headset Placement ...

Page 22: ...tment From the factory the boom mic is installed on the left side of the headset However you can interchange the boom mic for right side use see Remove and Replace Modules on page 19 For best clarity place the boom mic as close to the mouth as possible and speak into the mic see Figure 20 FIGURE 20 Boom Mic Movement ...

Page 23: ...rounding environment The ANR switch is located on the left ear shell as seen in Figure 21 To turn ANR on do the following On the left ear cup move the ANR switch to the up position indicated by 1 on the label To turn ANR off do the following 1 On the left ear cup move the ANR switch to the down position indicated by 0 on the label 2 Remove battery to conserve battery power when not in use FIGURE 2...

Page 24: ...listen only module To access the dip switches do the following NOTE Dip switches are located on the boom mic module and the listen only module This feature is not available on the audio input module Locate the dip switch window on the back of either the boom mic module or the listen only module Dip Switch Settings NOTE The two 2 right most switches are used to configure speaker volume TABLE 1 Spea...

Page 25: ...et or from the left side only This configuration is done through setting dip switches located on the interface module Dip Switch Settings NOTE The two 2 left most switches are used to configure mono or left only operation To configure mono or left only on the headset do the following Using Table 2 on page 25 set the dip switches to the mode of operation desired TABLE 2 Mono or Left Only Dip Switch...

Page 26: ...the ear cup 2 Starting at the top of the ear cup place the top part of the back flap of the new ear cushion over the top lip of the ear cup NOTE The ear cup cushion hole orients to the bottom of the ear cup 3 Using your fingers work the back flap of the ear cushion around the ear cup 4 Carefully pull the bottom of the ear cushion over the bottom lip of the ear cup To replace the one cushion versio...

Page 27: ...the headband 3 Align the new top cushion to the top of the headband 4 Align the right side cushion to the right side of the headband 5 Align the left side cushion to the left side of the headband 6 Firmly press the new headband cushions in place Replace the Windscreen To replace the wind screen do the following 1 Remove the existing windscreen from the boom mic and throw away 2 Gently push the new...

Page 28: ... use and should not require adjustment Any changes to the microphone gain should be done by a qualified avionics technician NOTE Adjustments should be made in small increments To adjust the gain trimmer do the following 1 Insert a small flathead screwdriver through the access hole in the boom mic module 2 Turn the gain pot clockwise to increase the gain OR Turn the gain pot counterclockwise to dec...

Page 29: ...soapy water may be used IMPORTANT Excessive water can damage the headset and cause short circuits electrical components of the unit Do not use solvents or chemicals when cleaning your headset as it may cause damage or inoperability Store Transport the Headset For storing or transporting your Ascend headset use the protective carrying case the headset is shipped in For placement of the headset in t...

Page 30: ...30 Operation and Maintenance Ascend Bosch Security Systems Inc Technical Manual F 01U 196 221 Rev 08 ...

Page 31: ...le is installed Replace the Battery A battery is required only when you are not plugged into a power source such as an aircraft audio panel to power the ANR CAUTION If this is the first time using the batteries see Charge the Battery on page 32 The batteries can be installed on either ear cup the left or right To replace a battery module do the following 1 Align the mounting tab with the mounting ...

Page 32: ...harged Once the battery is done charging the green LED appears NOTE If the battery is damaged and not able to charge the red LED does not display The power module for the battery charger comes with the US connection adaptor as standard There are three 3 optional connection adapters Euro UK and Australian known as the world adapters To change the connection adapter for the power module do the follo...

Page 33: ... electrical outlet 2 Attach the power supply to the charger The LED lights green 3 Align the mounting tab with the mounting tab hole on the battery charger 4 Slide the battery module into place 5 Press down on the battery module snapping it into the battery module The LED lights red while the battery is charging and lights green when it is finished charging ...

Page 34: ...34 Battery Module Ascend Bosch Security Systems Inc Technical Manual F 01U 196 221 Rev 08 ...

Page 35: ...Bosch Security Systems Inc Technical Manual F 01U 196 221 Rev 08 CHAPTER 5 Wiring Diagrams FIGURE 24 Dual Plug Wiring Diagram FIGURE 25 5 Pin XLR male Wiring Diagram ...

Page 36: ...36 Wiring Diagrams Ascend Bosch Security Systems Inc Technical Manual F 01U 196 221 Rev 08 FIGURE 26 Music Entertainment Module Connector Wiring Diagram ...

Page 37: ...0 5dB SPL mW standard volume setting Impedance at Plug 600 20 Overload 300mW 1kHz 8hr Acoustic Quality No spurious sounds with 10mW to speaker 350Hz 6kHz Headsets and Handsets with Active Circuits Meets speaker requirements with ANR on or off Microphone Frequency Response 100Hz 10kHz per DO 214 fig 2 1 Distortion 5 114dB SPL 350Hz 6kHz Sensitivity 28 3dBV Pa 1kHz Noise Level 1mV RMS Headset handse...

Page 38: ...n where applicable Up to 12dB noise reduction between 100Hz to 2000kHz Receives power from boom microphone connection microphone equipped versions only Plugs Dual Plug Headphone plug 250 diameter 2 conductor plug Tip SPK white Sleeve SPK black shield Microphone plug 206 diameter 3 conductor plug Ring Mic white Sleeve Mic and Mic Shield blue shield Tip N C XLR Plug 5 pin male plug Pin 1 SPK yellow ...

Page 39: ...set does not work with my cell phone or MP3 player Verify the cord for the device is plugged in firmly I need parts for my headset Contact technical support for the part number you are looking for Technical Support phone number 1 800 898 6723 I want to repair my headset at home We have custom developed test equipment which is required to qualify the product and is not available outside of the fact...

Page 40: ...put Cable PRD000253006 Single Sided Passive Headset Frame Assembly PRD000253007 Double Sided Passive Headset Frame Assembly PRD000253008 Analog ANR Headset Frame Assembly PRD000253009 Cord and Electret Microphone Module PJ Connectors PRD000253010 Cord and Electret Microphone Module XLR Connector PRD000253011 Cord Module No Microphone PJ Connectors PRD000253012 Cord Module No Microphone XLR Connect...

Page 41: ...Ascend Troubleshooting and FAQs 41 Bosch Security Systems Inc Technical Manual F 01U 196 221 Rev 08 ...

Page 42: ...Bosch Security Systems Inc Telex Headsets Phone 1 800 898 6723 technical support Email repair lincoln us bosch com Website www telex com us aviation line ...

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