Sennheiser 2020 manual Charging the rechargeable batteries, Charging the BA 2015 accupack

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Charging the rechargeable batteries

Caution! y Only use the charging case for charging the SK 2020 D transmitter, the HDE 2020 D stethoset receivers

and the BA 2015 accupack.

yNever try to charge other rechargeable batteries or non-rechargeable batteries.

 

Charging the BA 2015 accupack

 

For charging, the BA 2015 accupack can remain in the

 

transmitter.

 

 

Place the transmitter with the accupack inserted

 

into the charging compartment for accupack/

 

transmitter

as shown in the diagram on the left.

 

(Alternatively, you can remove the accupack from

 

the transmitter and insert it into the charging

 

compartment on its own – both charging compart-

 

ments are identical and can charge the occupied

 

either in or out of the transmitter.)

 

When placed into a charging compartment, the

 

transmitter automatically switches off. The red LED

￿

CHARGE

of the charging compartment lights up.

Charging a completely discharged accupack takes approx. 3½ hours at room temperature. It is normal for the accupacks to get hot during charging.

However, the charging process may take longer if:

ythe accupack is deep-discharged and first has to be reconditioned by a deep discharge recovery charge,

ythe ambient temperature is close to or over 40 °C, since, in order to protect the accupack, the charging process will be interrupted until the temperature has dropped to a safe level.

After the accupack has been fully charged, the green

LED READY lights up.

Notes:

yFor safety reasons, each charging process will be interrupted after 4 hours.

yWhen not using the BA 2015 accupack for extended periods of time, charge it about every three to six months.

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Contents Tourguide Page Contents Intended use of the system Safety instructionsOperating the EZL 2020-20 L charging case Page Servicing Page Dealer Overview of the system System componentsSK 2020 D bodypack transmitter HDE 2020 D stehoset receivers EZL 2020-20 L charging caseOperating controls Red LED LOW BATT/MUTEHDE 2020 D stethoset receiver LED Power LED Temp Error LED Copy Available Operation and battery status indication AF peak indication Yellow LED Peak Lights up when the transIndications and displays on the transmitter Red LED offLock mode icon Display of the energy saving modeMute display LC display backlightingIndications and displays on the receiver Battery status display Volume displayChannel display Temperature indication Indications and displays on the charging caseOperation indication LED indication for automatic copying functionNo LED lit Red LED Charge LitGreen LED Ready Lit Green LED Ready Lights up briefly and then goes OffOperating control Mode Function Functions of the transmitter operating controlsFunctions of the operating controls of the charging case Functions of the receiver operating controlsOperating control Function Setting up the charging case Putting the components into operationConnecting the microphone Inserting and replacing the transmitter batteries / accupackConnecting external audio sources Attaching the transmitter to clothingUsing the components Switching the devices on/offSwitching the transmitter on/off Muting the transmitterAutomatically switching the receiver on/off Switching the charging case on/offVolume up? no Adjusting the volumeAdjusting the volume on the receiver Charging the rechargeable batteries Charging the BA 2015 accupackCharging the receivers’ built-in rechargeable batteries MeaningSetting a channel Setting the transmission channelSetting the receiver channel Press the SET button To permanently store Selected channelPage Using several Tourguide systems simultaneously Special transmitter settingsSwitching the line input on/off Changing the sensitivity of the line input Changing the sensitivity of the microphone input Loading the factory-preset default settings Displaying the transmission frequencyActivating/deactivating the lock mode 001 Displaying the version numberOperating menu of the transmitter Working with the transmitter’s operating menuMenu Function of the menu LineOverview of the operating menu ExitChan Care and maintenance If problems occur Problem Possible cause Possible solutionSK 2020 D bodypack transmitter Cat. No SpecificationsHDE 2020 D stethoset receiver Cat. No EZL 2020-20 L charging case Cat. No EMCAccessoires Product name Product description Cat. NoWarranty regulations Manufacturer declarationsCE Declaration of Conformity Batteries or rechargeable batteries
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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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