DMOCDHDGGDect Headset

D 10 series Wireless DECT headset system Instruction manual D 10 series | 1 Contents Contents Important safety information ....................................................................... 2 Scope of delivery ............................................................................................. 4 Base stations with components ................................................................... 4 Headset with components ............................................................................ 4 Product overview ............................................................................................ 5 Product overview of the base station ........................................................ 5 Product overview of the headset ................................................................ 6 Overview of the buttons ............................................................................... 7 Overview of the LEDs ..................................................................................... 8 Setting up and connecting the base station ............................................... 9 Setting up the base station .......................................................................... 9 Connecting the base station to the mains power supply ....................... 9 Connecting the base station to a fixed line phone ................................ 10 Connecting the base station to an optional electronic hook switch control (EHS) ........................................ 12 Connecting the base station to a computer ............................................13 Charging the headset before first use ...................................................... 13 Individually adjusting the headset ............................................................ 14 Using the headset with the ear hook .......................................................14 Using the headset with the headband .....................................................15 Configuring the headset system ................................................................ 16 Adjusting the headset system using the DIP switches ......................... 16 Adjusting the audio signal by means of the dial tone .......................... 18 Adjusting the volume of the transmission .............................................. 19 Adjusting the volume of the ring tone .....................................................19 Adjusting the automatic audio transmission “Auto Audio” ................20 Making calls using the headset .................................................................. 21 Adjusting the volume .................................................................................. 21 Muting the headset’s microphone ............................................................ 22 If you leave the DECT range ........................................................................22 Calling via the fixed line phone using the headset ................................ 23 Calling via the computer using the headset ............................................25 Making a conference call ............................................................................. 27 Charging the headset and storing the headset system .......................... 30 Charging the headset ................................................................................... 30 Switching the headset system off during extended non-use .............32 Sharing a workplace ..................................................................................... 33 Cleaning and maintaining the headset system ........................................ 34 Replacing the ear pads ................................................................................ 35 Replacing the headset’s rechargeable battery ....................................... 36 If a problem occurs ....................................................................................... 37 Specifications ................................................................................................ 38 Manufacturer Declarations .......................................................................... 40 Important safety information D 10 series | 2 Important safety information Please read this instruction manual carefully and completely before using the product. Always include this instruction manual when passing the product on to thi rd parties. Do not use an obviousl y defective product. Preventing damage to health and accidents Do not listen at high volume levels for long periods of time to prevent hea ring damage. Always maintain a distance of at least 3.94” (10 cm) between the ear cups and the cardiac pacemaker or implanted defibrillator since the product generates permanent magnetic fields. Keep the product, accessories and pa ckaging parts out of reach of children and pets to prevent accidents and choking hazards. Do not use the product in situations which require special attention (e.g. in traffic). Preventing damage to the product and malfunctions Always keep the product dry and do not expose it to extreme temp eratures (hairdryer, heater, extended exposure to sunlight, etc.) to avoid corrosion or deformation. Only use attachments/accessories supplied or recommended by Sen nheiser. Only clean the product with a soft, dry cloth. Unplug the power supply unit from the wall socket to completely d isconnect the product from the mains power supply. Do not short-circuit the contacts of the prod uct. Make sure that no metal objects (e.g. paper clips, hair pins, earrings) come into contact with the interfaces and contacts. Only use the base station or the CH 10 charger for charging D 10 series he adsets. Intended use/Liability The headset system can be used for ca lling and – together with a computer (VoIP) and/or a telephone – for audio input/output and is intended for professional office or call center use. It is considered improper use when this product is used …

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DE Wichtige Sicherheitshinweise Lesen Sie diese Sicherheitshinweise sorgfältig und vollständig, bevor Sie das Produkt benutzen. Geben Sie das Produkt an Dritte stets zusammen mit diesen Sicherheitshinweisen weiter. Verwenden Sie das Produkt nicht, wenn es offensichtlich beschädigt ist. Gesundheitsschäden und Unfälle vermeiden  Hören Sie nicht über einen längeren Zeitraum mit hoher Laut- stärke, um Gehörschäden zu vermeiden. Halten Sie stets einen Abstand von mindestens 10 cm zwischen Hörermuscheln und Herzschrittmacher bzw. implantiertem Defibrillator (ICDs), da das Produkt permanente Magnetfelder erzeugt. Halten Sie Produkt-, Verpackungs- und Zubehörteile von Kindern und Haustieren fern, um Unfälle und Erstickungsgefahr zu vermeiden. Benutzen Sie das Produkt nicht, wenn Ihre Umgebung besondere Aufmerksamkeit erfordert (z. B. im Straßenverkehr). Produktschäden und Störungen vermeiden  Halten Sie das Produkt stets trocken und setzen Sie es weder extrem niedrigen noch extrem hohen Temperaturen aus (Föhn, Heizung, lange Sonneneinstrahlung etc.), um Korrosionen oder Verformungen zu vermeiden. Verwenden Sie ausschließlich die von Sennheiser mitgelieferten oder empfohlenen Zusatzgeräte/Zubehörteile. Reinigen Sie das Produkt ausschließlich mit einem weichen, trockenen Tuch. Ziehen Sie das Steckernetzteil aus der Steckdose, um das Produkt vollständig vom Netz zu trennen. Schließen Sie die Kontakte des Produkts niemals kurz. Achten Sie darauf, dass keine metallischen Gegenstände (wie z. B. Büroklammern, Haarnadeln, Ohrringe) an die Schnittstellen und Kontakte geraten. Laden Sie mit der Basisstation oder dem Ladegerät CH 10 aus- schließlich Headsets der D 10-Serie. Sicherheitshinweise für Lithium-Polymer-Akkus WARNUNG Bei Missbrauch oder nicht ordnungsgemäßem Gebrauch der Lithium-Polymer-Akkus besteht in extremen Fällen die Gefahr von: • Hitzeentwicklung • Feuerentwicklung • Explosion • Rauch- oder Gasentwicklung Geben Sie defekte Produkte inkl. Akku an Sammel- stellen oder bei Ihrem Fachhändler zurück. Verwenden Sie ausschließlich die von Sennheiser empfohlenen Akkus und dazu passenden Ladegeräte. Laden Sie Akkus nur bei einer Umgebungstemperatur von 10 °C bis 40 °C. Schalten Sie Akku-gespeiste Produkte nach dem Gebrauch aus. Laden Sie die Akkus auch bei längerem Nichtgebrauch regelmäßig nach (ca. alle 3 Monate). Erhitzen Sie die Akkus nicht über 70 °C. Vermeiden Sie Sonneneinstrahlung und werfen Sie die Akkus nicht ins Feuer. Bestimmungsgemäßer Gebrauch/Haftung Das Headset-System ist zum Telefonieren sowie zur Audioein- und -ausgabe in Verbindung mit einem Computer (VoIP) und/ oder einem Telefon für den professionellen Einsatz im Büro oder Callcenter bestimmt. Als nicht bestimmungsgemäßer Gebrauch gilt, wenn Sie dieses Produkt anders benutzen, als in diesen Sicherheitshinweisen beschrieben. Sennheiser übernimmt keine Haftung bei Missbrauch oder nicht ordnungsgemäßem Gebrauch des Produkts sowie der Zusatzge- räte/Zubehörteile. Das Risiko trägt der Anwender. Sennheiser haftet nicht für Schäden an USB- Geräten, die nicht mit den USB-Spezifikationen im Einklang sind. Sennheiser haftet nicht für Schäden aus Verbindungsabbrüchen wegen leerer oder überalteter Akkus oder Überschreiten des DECT- Sendebereichs. Herstellererklärungen Garantie Sennheiser Communications A/S übernimmt für dieses Produkt eine Garantie von 24 Monaten. Die aktuell geltenden Garantie- bedingungen können Sie über das Internet www.sennheiser.com oder Ihren Sennheiser-Partner beziehen. In Übereinstimmung mit den folgenden Anforderungen • WEEE-Richtlinie (2012/19/EU) Entsorgen Sie dieses Produkt bei Ihrer örtlichen kommunalen Sammelstelle oder im Recycling Center. Bitte helfen Sie mit, die Umwelt, in der wir leben, zu erhalten. • Batterie-Richtlinie(2013/56/EU) Die in diesem Produkt eingebauten Akkus sind recycelbar. Entsorgen Sie defekte Produkte inkl. Akku über offizielle Sammelstellen oder den Fachhandel, um den Umweltschutz zu gewährleisten. CE-Konformität • R&TTE-Richtlinie (1999/5/EG) • EMV-Richtlinie (2014/30/EU) • Niederspannungsrichtlinie (2006/95/EG) • ErP-Richtlinie (2009/125/EG) • RoHS-Richtlinie (2011/65/EU) Die Erklärung steht Ihnen im Internet unter www.sennheiser.com zur Verfügung. Prüfen Sie vor Inbetriebnahme die jeweiligen länderspezifischen Vorschriften! FR Consignes de sécurité importantes Lisez soigneusement et intégralement le guide de sécurité avant d’utiliser le produit. Si vous mettez le produit à la disposition d’un tiers, joignez-y toujours le guide de sécurité. N’utilisez pas un produit manifestement d éfectueux. Prévenir des atteintes à la santé et des accidents  Évitez d’écouter à des volumes sonores élevés pendant de longues périodes pour éviter des dommages auditifs. Maintenez toujours le boîtier de l’écouteur à plus de 10 cm des stimulateurs cardiaques et des défibrillateurs implantés (DAI) car le produit génère des champs magnétiques permanents. Conservez le produit et les pièces d’emballage et d’accessoires hors de portée des enfants et des animaux domestiques pour prévenir des accidents et risques d’étouffement. N’utilisez pas le produit dans un environnement qui exige une concentration particulière (par ex. sur la route). Prévenir les dommages au produit et les dysfonctionnements Conservez le produit au sec et ne l’exposez ni à des températures extrêmement basses ni à des températures extrêmement hautes (sèche-cheveux, radiateur, exposition prolongée au soleil, etc.) afin d’éviter des corrosions ou déformations. N’utilisez que les accessoires fournis ou recommandés par Sennheiser. Ne nettoyez le produit qu’avec un chiffon doux et sec. Retirez la fiche du bloc secteur de la prise de courant pour complètement débrancher le produit du secteur. Ne mettez jamais les contacts du produit en court-circuit. Veillez à ce qu’aucun objet métallique (trombones, épingles à cheveux, boucles d’oreilles etc.) n’entre en contact avec les ports ou les contacts. Utilisez uniquement la stati…

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SetupGuide Comfort call DECT SD Series Instruction manual SD Series – Setup Guide | 1 Contents “Setup Guide” Contents “Setup Guide” Important safety information ....................................................................... 2 Scope of delivery and overview of the SD series ........................................ 3 Base stations with components ................................................................... 3 Headsets with components .......................................................................... 4 Product overview of the base stations ........................................................ 5 Overview of the front ..................................................................................... 5 Overview of the rear ...................................................................................... 5 Overview of the bottom ................................................................................ 6 Setting up the base station ........................................................................... 7 Connecting the base station to the mains power supply ....................... 7 Connecting the base station to a fixed line phone .................................. 8 Connecting the base station to an optional electronic hook switch control (EHS) ........................................................ 10 Connecting the base station to a computer ............................................11 Charging the headset ................................................................................... 12 Testing the headset system and the sound quality ................................ 14 Adjusting the headset system using the DIP switches ......................... 14 Adjusting the audio signal by means of the dial tone .......................... 16 Adjusting the volume .................................................................................. 17 Adjusting the automatic audio transmission “Auto Audio” ................17 If a problem occurs ....................................................................................... 18 Specifications ................................................................................................ 19 Manufacturer Declarations .......................................................................... 21 Important safety information 2 | SD Series – Setup Guide Important safety information Please read this instruction manual carefully and completely before using the product. Always include this instruction manual when passing the product on to thi rd parties. Do not use an obviously defective product. Preventing damage to he alth and accidents Do not listen at high volume levels for long periods of time to prevent hear ing damage. Always maintain a distance of at least 3.94” (10 cm) between the ear cup s and the cardiac pacemaker or implanted defibrillator since the product generates permanent magnetic fields. Keep the product, accessories and pac kaging parts out of reach of chil- dren and pets to prevent accidents and choking hazards. Do not use the product in situations which require special attention. Preventing damage to the product and malfunctions Always keep the product dry and do not expose it to extreme tempera- tures (hairdryer, heater, extended exposure to sunlight, etc.) to avoid corrosion or deformation. Only use attachments/accessories supplied or recommended by Sen nheiser. Only clean the product with a soft, dry cloth. Unplug the power supply unit from the wa ll socket to completely disconnect the product from the mains power supply. Do not short-circuit the contacts of t he product. Make sure that no metal objects (e.g. paper clips, hair pins, earrings) come into contact with the interfaces and contacts. Only use the base station for char ging SD series headsets. Intended use/Liability The headset system can be used for cal ling and – together with a computer (VoIP) and/or a telephone – for audio input/output and is intended for professional office or call center use. It is considered improper use when this product is used for any application not named in this instruction manual. Sennheiser does not accept liability for damage arising from abuse or misuse of this product and its attachments/accessories. The risk is to be borne by the user. Sennheiser is not liable for damages to USB devices that are not consistent with the USB specifications. Sennheiser is not liable for damages resulting from the loss of connection due to flat or overaged rechargeable batteries or exceeding the DECT transmission range. The US base stations operate on special transmission frequencies whose use is not authorized outside the United States. Do not use the SD BS US base station outside the United States. Scope of delivery and overview of the SD series SD Series – Setup Guide | 3 Scope of delivery and overview of the SD series The SD series allows you to combine base stations (BS) and headsets (HS) to meet your needs. The listed headsets and base stations are compatible with each other. The SD series base stations marked with ML in their name are optimized for Microsoft  Lync ™ . The scope of delivery includes – depending on the product purchased – a base station and/or a headset with corresponding components. Base stations with components SD BSfor fixed line phone and computer SD BS MLfor fixed line phone and computer , optimized for Micro- soft Lync SD BS USBfor computer SD BS USB MLfor computer, optimized for Microsoft Lync SD BS Phonefor fixed line phone Safety Guide Quick Guide Manual EU/UK/US/AU Phone USB SD BS USB SD BS USB ML SD BS Phone SD BS SD BS ML Phone USB Scope of delivery and overview of the SD series 4 | SD Series – Setup Guide Headsets with components SD Office – HSmonaural, with different wearing styles SD Pro1 – HSmonaural, with headband SD Pro2 – HSbinaural, with headband SD Pro1 – HS SD Pro2 – HS SD Office – HS Quick Guide Product overview of the base stations SD Series – Setup G…

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Sennheiser Communications A/S Industriparken 27 Ballerup 2750 Denmark Sennheiser electronic GmbH & Co. KG · Sitz 30900 Wedemark, Amtsgericht Hannover HRA 120100 phG: Sennheiser Beteiligungsgesellschaft mbH · Sitz 30900 Wedemark, Amtsgericht Hannover HRB 120179 Geschäftsführer Volker Bartels, Dr. Heinrich Esser, Stefan Junker · Vorsitzender Industriparken 27, DK‐2750 Ballerup Denmark Phone: +45 56 18 00 00 Fax: +45 56 18 00 99 www.seenheiser.com Ballerup: 09.02.2015 To whom it may concern, Declaration of Identity We, Sennheiser Communications A/S, declare under our sole responsibility that product series Office Runner ( OR ) , DW & SD are different in a terms of electronics, mechanics & Microsoft Lync software adaptation with the D 10 Series ( It has been used as a reference family for al DECT Series) in Nemko during 2014. The PCB main (RF PCBoard) design are completely identical in all DECT base stations (SD,DW , D 10 ,OR ,OR Blue ) exactly the same strategy has been followed for the all headsets design. The PCB main ( RF PCBoard ) is identical in all DECT headsets with the differences in a wearing stile , position of the implemented battery or the headsets speaker numbers ( 1 or 2 speakers ) Table 1: ¹ Products overview ¹All of the approved products have also different country code as an extension of the name : EU, US, UK, AUS – depends of the Frequency band and the wall cube charge input pins .For more details please see the Appendix I followed by this Declaration . Yours sincerely Edina Mujan Regulatory Compliance Manager Sennheiser Communications A/S DECT Series D 10 Series DW Series OR Series OR Blue Series SD Series 1|09-02-2015 Appendix I ”DECLARATION OF IDENTITY” Date :09-02-2015 BY Edina Mujan 2|09-02-2015 Base stations highlighted in REDdo have all interfaces All Basestations have same RF pcb and slightely diffrent shape of the interface boards for the phone or for the PC communications . DW BS ( USB interface for softphone) + Phone interface OR BS Blue (USB interface for softphone) + Phone interface OR BS (USB interface for softphone) + Phone interface SD BS (USB interface for softphone) + Phone interface DW BS ML (USB interface for softphone) + Phone interface // Certified for MS Lync-ML Does not exist Does not exist SD BS ML (USB interface for softphone) + Phone interface // Certified for MS Lync-ML D 10 BS PHONE (USB interface only for firmware upgrading)+Phone interface DW BS PHONE (USB interface BUT ONLY for firmware upgrading)+ (Phone interface )+ Does not exist Does not exist SD BS PHONE (USB interface BUT ONLY for firmware upgrading)+(Phone interface ) D 10 BS USB (USB interface for softphone) DW BS USB (USB interface for softphone) Does not exist Does not exist SD BS USB (USB interface for softphone) D 10 BS USB ML (USB interface for softphone) // Certified for MS Lync -ML DW BS USB ML ( USB interface for softphone) – Certified for MS Lync Does not exist Does not exist SD BS USB ML ( USB interface for softphone) –Certified for MS Lync 3|09-02-2015 DECT families -Certification in NEMKO 2014 •4 product series on the market (DW, SD, OR , OR Blue) the additional D 10 was introduced in 2014 •DW Series •SD Series •D 10 Series •OR Series •OR Series Blue DW Series SD Series D 10 Series OR Series Blue OR Series 4|09-02-2015 DW BS –US SD BS –USD 10 BS PHONE–US Figure 1.1: Front side DW BS –US with DW 10 HS Figure 1.2: Front side SD BS -US with SH 10 HS Figure 1.3 : Front side D 10 BS –US with SH 10 HS DECT Base stations front view Figure 1.4 : Front side OR BS Blue –US 5|09-02-2015 DECT Base stations phone /USB interfaces view Figure 2.1: Back side DW BS USB –US Figure 2.2: Back side SD BS USB –US Figure 2.3: Back side D 10 BS USB –US DW BS USB –US SD BS USB –US D 10 BS USB –US Figure 2.4: Back side DW BS –US Figure 2.5: Back side SD BS –US Figure 2.6: Back side D 10 BS PHONE –US 6|09-02-2015 Differencies DW BS-US SD BS –US Figure 1.7: Cross section view of DW BS –USFigure 1.8 : Cross section view of SD BS -US PCB main PCB IFB D 10BS PHONE –US Figure 1.9 : Cross section view of D 10 BS PHOBE-US PCB Main 100% the same as DW BS IFB PCB modified to position connectors in the new mechanical design. 7|09-02-2015 Differencies DW BS-US SD BS –US Figure 3.1: Inner side of DW BS –USFigure 3.2: Inner side of SD BS –US PCB Main PCB IFB Figure 3.3: Inner side of D 10 BS PHONE -US PCB Main PCB IFB PCB Main PCB IFB D 10BS PHONE –US 8|09-02-2015 Differencies Figure 4.1: PCB IFB top view DW BS –US Figure 4.2: IFB PCB top view in SD BS -US Figure 4.3: New IFB PCB top view in D 10 BS PHONE-US SD BS –US D 10 BS PHONE –US DW BS-US 9|09-02-2015 Differencies Figure 5.1: PCB IFB Bottom view DW BS –US Figure 5.2: IFB PCB bottom view in SD BS-US SD BS -US D 10BS PHONE-US DW BS-US Figure 5.3: New IFB PCB bottom view in D 10 BS PHONE-US 10|09-02-2015 Differencies DW BS -US SD BS & D10 BS PHONE-US Figure 6.1: PCB Main top view DW BS –US 100% same Thisis the radio and antennaPCB 11|09-02-2015 Differencies DW BS-US SD BS -US& D 10 BS PHONE-US Figure 7.1 PCB Main bottom view DW BS –US 100% same. Thisis the radio and antennaPCB 12|09-02-2015 The Headsets -Declaration of identity Electronics & Print Card OR 10 HS D 30 HS SD 10 HS DW 20 HS DW 30 HS The Headsets have different mechanical form factor SD 20 HS SD 30 HS DW 10 HS OR 20 HS OR 20 Blue HS OR 30 HS OR 30 Blue HS D 20 HS D 10 HS OR 10 HS 13|09-02-2015 The Headsets -Declaration of identity Electronics & Print Card DW 20 HS SD 20 HS DW 30 HS SD 30 HS The Headsets have different mechanical form factor DW 10 HS D 10 HS OR 10 HS OR 10 Blue-HS SD 10 HS 2 s p e a k e r s Battery 1 s p e a k e r Battery Electronics & Print Card Electronics & Print Card Battery 1 s p e a k e r

1 | 26-02-2015 2 | 26-02-2015 Base stations highlighted in RED do have all interfaces All Base stations have same RF pcb and slightely diffrent shape of the interface boards for the phone or for the PC communications . DW BS ( USB interface for softphone) + Phone interface OR BS Blue (USB interface for softphone) + Phone interface OR BS (USB interface for softphone) + Phone interface SD BS (USB interface for softphone) + Phone interface DW BS ML (USB interface for softphone) + Phone interface // Certified for MS Lync-ML Does not exist Does not exist SD BS ML (USB interface for softphone) + Phone interface // Certified for MS Lync-ML D 10 PHONE (USB interface only for firmware upgrading)+Phone interface DW BS PHONE (USB interface BUT ONLY for firmware upgrading)+ ( Phone interface )+ Does not exist Does not exist SD BS PHONE (USB interface BUT ONLY for firmware upgrading)+( Phone interface ) D 10 USB ( USB interface for softphone) DW BS USB (USB interface for softphone) Does not exist Does not exist SD BS USB (USB interface for softphone) D 10 USB ML ( USB interface for softphone) // Certified for MS Lync -ML DW BS USB ML ( USB interface for softphone) – Certified for MS Lync Does not exist Does not exist SD BS USB ML ( USB interface for softphone) – Certified for MS Lync 3 | 26-02-2015 DECT families Certification in NEMKO 2014 •We have 4 product series on the market (DW, SD, OR , OR Blue) and one additional under development : •DW Series •SD Series •D 10 Series •OR Series •OR Series Blue DW Series SD Series D 10 Series OR Series Blue OR Series 4 | 26-02-2015 The Headsets -Declaration of identity Electronics & Print Card OR 10 HS D 30 HS SD 10 HS DW 20 HS DW 30 HS The Headsets have different mechanical form factor SD 20 HS SD 30 HS DW 10 HS OR 20 HS OR 30 HS D 20 HS D 10 HS

D 10 HS: D 10 HS - front and back views: Laser engrave on HS

OR 10 Blue–HS Front and back views: Headset shell printing information:

OR 10 HS Front and back views: Headset shell printing information:

EXTERNAL PHOTOS Project no.: 264013 FCC ID: DMOCDHDGG Page 1 (1) EXTERNAL PHOTOS – Sennheiser SD 10 HS External Photos SD 10 HS

EXTERNAL PHOTOS Project no.: 264013 FCC ID: DMOCDHDGG Page 1 (1) EXTERNAL PHOTOS – Sennheiser SD 20 HS External Photos SD 20 HS

EXTERNAL PHOTOS Project no.: 264013 FCC ID: DMOCDHDGG Page 1 (1) EXTERNAL PHOTOS – Sennheiser SD 30 HS External Photos SD 30 HS

D 10 HS Figure 1.1.: Laser engraved label

Figure 1.1: Label engraved on the surface of the DW 10 HS

DW 20 HS

DW 30 HS Figure 1.1: DW 30 headset label – position on the headband of the headset

Figure 1.1: Label engraved – surface of the HS

Figure 1.1 : Label engraved – surface of the HS

SD 10 HS Figure 1.1 :Headset shell printing information

SD 20 HS Figure 1.1 : Label position –headset headband Figure 1.2 : Label SD 20 HS

SD 30 HS Figure 1.1 : Label position –headset headband Figure 1.2: Label SD 30 HS

DW 10 HS PCB Photo showing the top inside of the EUT PCB Photo showing the bottom inside of the EUT Side 1 Side 2

DW 20 HS PCB Photo showing the top inside of the EUT PCB Photo showing the bottom inside of the EUT Side 1 Side 2

DW 30 HS PCB Photo showing the top inside of the EUT PCB Photo showing the bottom inside of the EUT Side 1 Side 2

OR 10 HS / OR 10 Blue-HS PCB Photo showing the top inside of the EUT PCB Photo showing the bottom inside of the EUT Side 1 Side 2

SD 10 HS PCB Photo showing the top inside of the EUT PCB Photo showing the bottom inside of the EUT Side 1 Side 2

SD 20 HS PCB Photo showing the top inside of the EUT PCB Photo showing the bottom inside of the EUT Side 1 Side 2

SD 30 HS PCB Photo showing the top inside of the EUT PCB Photo showing the bottom inside of the EUT Side 1 Side 2

Sennheiser Communications A/S Industriparken 27 Ballerup 2750 Denmark Sennheiser electronic GmbH & Co. KG · Sitz 30900 Wedemark, Amtsgericht Hannover HRA 120100 phG: Sennheiser Beteiligungsgesellschaft mbH · Sitz 30900 Wedemark, Amtsgericht Hannover HRB 120179 Geschäftsführer Volker Bartels, Dr. Heinrich Esser, Stefan Junker · Vorsitzender Industriparken 27, DK‐2750 Ballerup Denmark Phone: +45 56 18 00 00 Fax: +45 56 18 00 99 www.seenheiser.com Ballerup: 11.02.2015 To the IMST & NEMKO , Declaration of Identity for the USA SAR test report “SAR_Report_Secom_60320_6140275_FCC_DECT_DW20HS ” issued by IMST , 20 th of November 2014 We, Sennheiser Communications A/S, declare under our sole responsibility that product DW 20 HS (Figure 1.1) tested in the test lab IMST during November 2014 is identical to the product: SD 20 HS (Figure 1.2) The same PCB / antenna and RF circuits / FW / mechanics /battery are used in both headsets (more details in Appendix 1 ). Note: The only one difference between these products is their names Figure 1.1 : DW 20 HS Figure 1.2: SD 20 HS ¹. Yours sincerely Edina Mujan Regulatory Compliance Manager Sennheiser Communications A/S 1|09-02-2015 Appendix I ”DECLARATION OF IDENTITY” Date :09-02-2015 BY Edina Mujan 12|09-02-2015 The Headsets -Declaration of identity Electronics & Print Card OR 10 HS D 30 HS SD 10 HS DW 20 HS DW 30 HS The Headsets have different mechanical form factor SD 20 HS SD 30 HS DW 10 HS OR 20 HS OR 20 Blue HS OR 30 HS OR 30 Blue HS D 20 HS D 10 HS OR 10 HS 13|09-02-2015 The Headsets -Declaration of identity Electronics & Print Card DW 20 HS SD 20 HS DW 30 HS SD 30 HS The Headsets have different mechanical form factor DW 10 HS D 10 HS OR 10 HS OR 10 Blue-HS SD 10 HS 2 s p e a k e r s Battery 1 s p e a k e r Battery Electronics & Print Card Electronics & Print Card Battery 1 s p e a k e r

Sennheiser Communications A/S Industriparken 27 Ballerup 2750 Denmark Sennheiser electronic GmbH & Co. KG · Sitz 30900 Wedemark, Amtsgericht Hannover HRA 120100 phG: Sennheiser Beteiligungsgesellschaft mbH · Sitz 30900 Wedemark, Amtsgericht Hannover HRB 120179 Geschäftsführer Volker Bartels, Dr. Heinrich Esser, Stefan Junker · Vorsitzender Industriparken 27, DK‐2750 Ballerup Denmark Phone: +45 56 18 00 00 Fax: +45 56 18 00 99 www.seenheiser.com Ballerup: 11.02.2015 To the IMST & NEMKO , Declaration of Identity for the USA SAR test report “SAR_Report_Secom_60320_6140275_FCC_DECT_DW30HS” issued by IMST , 20 th of November 2014 We, Sennheiser Communications A/S, declare under our sole responsibility that product DW 30 HS (Figure 1.1) tested in …

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