Sennheiser 2020 Intended use of the devices, Safety instructions for Li-Polymer and Ni

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Important safety instructions

Danger of hearing damage due to high volumes

This is a professional transmission system. Commercial use is subject to the rules and regulations of the trade association responsible. Sennheiser, as the manu- facturer, is therefore obliged to expressly point out possible health risks arising from use.

The HDE 2020 D and EK 2020 D receivers are capable of producing sound pressure exceeding 85 dB(A). 85 dB(A) is the sound pressure corresponding to the maximum permissible volume which is by law (in some countries) allowed to affect your hearing for the duration of a working day. It is used as a basis according to the specifications of industrial medicine. Higher volumes or longer durations can damage your hearing. At higher volumes, the duration must be shortened in order to prevent hearing damage. The following are sure signs that you have been subjected to excessive noise for too long a time:

•You can hear ringing or whistling sounds in your ears.

•You have the impression (even for a short time only) that you can no longer hear high notes.

Intended use of the devices

Intended use includes:

•using the devices for professional purposes,

•having read this instruction manual, especially the chapter “Important safety instructions” on page 2,

•using the devices within the operating conditions and limitations described in this instruction manual.

“Improper use” means using the devices other than as described in this instruction manual, or under oper- ating conditions which differ from those described herein.

Safety instructions for Li-Polymer and Ni-

MH rechargeable batteries and batteries

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Contents System Contents Important safety instructions Safety check Replacement partsHazard warnings on the EZL 2020-20 L charging case OverloadingIntended use of the devices Safety instructions for Li-Polymer and NiOnly use original Sennheiser rechargeable batteries Important safety instructions System components SKM 2020 D radio microphone Overview of the systemSK 2020 D bodypack transmitter EZL 2020-20 L charging case HDE 2020 D and EK 2020 D receiversRed LED LOW BATT/MUTE Operating controlsTurnable protective cap for operating controls shown removed HDE 2020 D stethoset receiver EK 2020 D receiver LED Power LED Temp Error LED Copy Available Red LED CHARGE/ERRORIndications and displays on the bodypack transmitter Operation and battery status indicationRed LED off Red LED flashingDisplay of the energy saving mode Lock mode iconMute display Display backlightingIndications and displays on the radio microphone Modulation display Indications and displays on the receiver Battery status display Volume displayLED lights up red LED lights up greenIndications and displays on the charging case Temperature indicationOperation indication LED indication for automatic copying functionNo LED lit Red LED CHARGE/ERROR litGreen LED Ready lit Green LED Ready lights up briefly and then goes offOperating control Mode Function Functions of the operating controls of the charging case Functions of the operating controls of the receiversPutting the components into operation Setting up the charging casePutting the components into operation Connecting a microphone to the bodypack transmitter Attaching the bodypack transmitter to clothing Connecting external audio sourcesSwitching the devices on/off Using the componentsSwitching the bodypack transmitter on/off Switching the radio microphone on/offSwitching the charging case on/off Automatically switching the HDE 2020 D on/offSwitching the EK 2020 D on/off Adjusting the volume on the receiver Adjusting the volumeCharging the accupack in the bodypack transmitter Charging the rechargeable batteriesCharging the BA 2015 accupack Meaning Charging the receivers’ built-in rechargeable batteriesSetting a channel Bodypack transmitter Setting the channel on the receiver Using several Tourguide systems simultaneously Muting the radio microphone Muting the devicesMuting the bodypack transmitter Switching the bodypack transmitter’s line input on/off Special bodypack transmitter/radio microphone settingsDoes not light up per Using the components 36. dB Adjusting the radio microphone’s input sensitivityBodypack transmitter Activating/deactivating the lock mode Loading the factory-preset default settingsTo activate the lock mode 001 Menu item Meaning Operating menu of the bodypack transmitter/radio microphoneExit Overview of the bodypack transmitter’s operating menuChan Overview of the radio microphone’s operating menu Freq Cleaning the earbuds of the HDE 2020 D Care and maintenanceProblem Possible cause Possible solution If a problem occursSpecifications FSK EZL 2020-20 L charging case Cat. No0682 Product name Product description Cat. No AccessoriesManufacturer declarations WarrantyStatements regarding FCC and Industry Canada Weee Declaration CE Declaration of ConformityBatteries or rechargeable batteries Index Index
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2020 specifications

In 2020, Sennheiser continued to cement its reputation as a leader in the audio industry with the launch of several innovative products that showcased cutting-edge technology and exceptional sound quality. Among the standout offerings were the Sennheiser Momentum True Wireless 2 earbuds, which combined premium sound with improved functionality and design.

The Momentum True Wireless 2 featured a sleek and compact design, offering enhanced comfort and a more secure fit for extended listening sessions. The earbuds were equipped with custom-engineered 7mm dynamic drivers that delivered rich, detailed sound with an emphasis on deep bass and clear treble. Sennheiser's superior sound engineering ensured that users experienced high-fidelity audio whether they were listening to music, making calls, or engaging in virtual meetings.

One of the standout characteristics of the Momentum True Wireless 2 was its active noise cancellation (ANC) technology. This advanced feature allowed users to immerse themselves in their audio without the distractions of the outside world. Additionally, the earbuds had a Transparency Mode, enabling listeners to hear their surroundings without having to remove the device, which was particularly beneficial for outdoor use or situations where situational awareness was crucial.

Battery life was another prominent feature of the Momentum True Wireless 2. With up to seven hours of playtime on a single charge and an additional 21 hours provided by the compact charging case, users could enjoy extended listening without frequent interruptions. The integration of the Sennheiser Smart Control app further enhanced the user experience, allowing for customization of sound profiles and access to features like EQ settings.

In 2020, Sennheiser also focused on professional audio solutions, including the introduction of new wireless microphone systems that catered to the needs of content creators and musicians. These systems embraced digital transmission technology, offering sophisticated features such as advanced frequency management and a robust transmission range.

Ultimately, Sennheiser's commitment to delivering exceptional audio experiences in 2020 was reflected in its blend of innovation and traditional craftsmanship. The company's dedication to quality, along with its adoption of modern technologies, ensured that users enjoyed an unparalleled listening experience across a diverse range of needs and preferences.
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