SENNHEISER HD450BT User Manual [nl]

HD 450BT

Around-ear headphones

Model: SEBT4

Instruction manual

Use the search function, the navigation (left) or the following links:

Start

“Product overview”

“Getting started”

“Using the headphones”

“FAQ/If a problem occurs ...”

“Specifications”

Sennheiser electronic GmbH & Co. KG

Am Labor 1 30900 Wedemark Germany

www.sennheiser.com

Version: 05/20 A02

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Important safety instructions

▷ Read this instruction manual carefully and completely before

using the product.

▷ Always include this instruction manual when passing the product

on to third parties.

▷ Do not use the product if it is obviously defective or makes loud,

unusual (whistling or beeping) noise.

▷ Only use the product in environments where Bluetooth® wireless

transmission is permitted.

Preventing damage to health and accidents

▷ Protect your hearing from high volume levels. Permanent

hearing damage may occur when headphones are used at high volume levels for long periods of time. Sennheiser headphones sound exceptionally good at low and medium volume levels.

▷ The product generates stronger permanent magnetic

fields that could cause interference with cardiac pace makers, implanted defibrillators (ICDs) and other implants. Always maintain a distance of at least 3.94"/10 cm between the product component containing the magnet and the cardiac pacemaker, implanted defibrillator, or other implant.

▷ Keep the product, accessories and packaging parts out of reach

of children and pets to prevent accidents. Swallowing and chok ing hazard.

▷ Do not use the product in an environment that requires your spe-

cial attention (e.g. in traffic or when performing skilled jobs).

Preventing damage to the product and malfunctions

▷ Always keep the product dry and do not expose it to extreme tem-

peratures (hairdryer, heater, extended exposure to sunlight, etc.) to avoid corrosion or deformation. The normal operating tempera ture is from 0 to 40 °C/32 to 104 °F.

▷ To avoid loud, unusual (whistling or beeping) noise and to ensure

proper noise cancellation, do not cover the microphone openings of the active noise cancellation circuitry located on the outside of the ear cups.

▷ Use only attachments/accessories/spare parts supplied or rec-

ommended by Sennheiser.

▷ Clean the product only with a soft, dry cloth.

▷ Use the product with care and store it in a clean, dust-free envi-

ronment.

Safety instructions for the lithium polymer rechargeable battery

WARNING

If abused or misused, the rechargeable batteries may leak. In extreme cases, they may even present a risk of:

• heat generation,

• fire development,

•explosion,

•smoke or gas development.

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Important safety instructions

Only use rechargeable batteries and chargers recommended by Sennheiser.

Only charge the product / rechargeable batteries at ambient temperatures between +10 °C to +40 °C/50 °F to 104 °F.

Do not heat the product / rechargeable batteries above +70 °C/140

°F. Avoid exposure to sunlight and do not

throw the product / rechargeable batteries into fire.

When not using the product / rechargeable batteries for extended periods of time, charge them regularly (about every three months).

Switch rechargeable battery-powered products off after use.

Dispose of defective products with built-in rechargeable batteries at special collection points or return them to your specialist dealer.

Notes on data collection and processing and on firmware updates

This product stores individual settings such as the volume and the Bluetooth addresses of paired devices. This data is required for the operation of the product and is not transferred to Sennheiser or com panies commissioned by Sennheiser and is not processed.

Using the “Sennheiser Smart Control” app, you can update the firmware of the product for free via an Internet connection. If the device on which the app is installed is connected to the Internet, the follow ing data is automatically transferred to and processed by Sennheiser servers in order to provide and transfer suitable firmware updates: MAC address, Bluetooth Low Energy UUID, Bluetooth name of the product, firmware version of the product and version of the app. The data will only be used as specified and will not be stored perma

nently.

If you do not want this data to be transferred and processed, do not connect to the Internet.

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Important safety instructions

Intended use/Liability

These headphones have been designed as an accessory for Bluetooth compliant devices. They are intended for wireless audio communication such as music playback and phone calls via Bluetooth wireless technology.

It is considered improper use when the product is used for any application not named in the corresponding product documentation.

Sennheiser does not accept liability for damage arising from misuse or improper use of this product and its attachments/accessories.

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 Bluetooth transmission range.

Before putting into operation, please observe the respective country-specific regulations.

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Package contents

HD 450BT around-ear headphones Model: SEBT4

USB cable with USB-C connector

Analog audio cable with 3.5 mm jack plug and 2.5 mm jack plug, length approx. 1.5 m

Carry case

Quick guide

Safety guide

Online you can find:

• this detailed instruction manual and additional information www.sennheiser.com/download

• the Sennheiser Smart Control app for configuring the headphones and for additional functions www.sennheiser.com/smartcontrol

A list of accessories can be found on the HD 450BT product page at partner: www.sennheiser.com > “Service & Support”.

www.sennheiser.com. Contact your local Sennheiser

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Product overview

Right R

Left L

Product overview

HD 450BT

Headband

Ear cup joints

Ear cups, steplessly adjustable

On/off button for the headphones and the active noise cancellation ANC

pressing for 4 seconds activates the Bluetooth pairing mode

pressing 1x activates/deactivates ANC

LED

Input for analog audio cable; when a cable is connected, flight mode is activated/Bluetooth is deactivated

USB-C socket for charging

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Product overview

Volume – button (volume down)

Volume + button (volume up)

3-way multi-function button for music and call functions

Voice assistant button

Ear pads

Speech microphones (2 pcs.) for phone calls

Overview of the LED display

During operation

LED Meaning; the headphones

flashes blue 3x switch on

flashes blue are switched on

flashes blue 3x

flashes red/ blue

are connected to a device via Bluetooth

are in Bluetooth pairing mode

are not connected to a device via

flashes red 3x

Bluetooth or the connection has been lost

flashes purple 3x

ANC is activated/deactivated

During phone calls

LED Meaning

flashes blue Incoming call

Incoming call and the rechargeable

flashes red

battery of the headphones is almost empty

If the LED does not light up immediately during charging, clean the charging contacts and charge the headphones until the LED lights up again (>

11).

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Product overview

Notes on voice prompts

The headphones output voice prompts for various functions (see examples below).

Voice prompt Meaning/headphones

“Power on” are switched on

“Power off” are switched off

“Device (1) (2) connected” are connected to device 1 or 2

“Lost connection” are not connected via Bluetooth

“Pairing” are in Bluetooth pairing mode

“Call rejected” incoming call rejected

“Call ended” call ended

“More than xx hours playtime”

Rechargeable battery has the stated charge level

“Recharge headset” Rechargeable battery is empty.

Recharge the headphones.

Notes on beeps/acoustic signals

The headphones output beeps/acoustic signals for the following functions.

Acoustic signal Meaning/headphones...

2x low-pitched beep minimum volume is reached

2x low-pitched beep maximum volume is reached

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Getting started

USB-AUSB-C

“Sennheiser Smart Control”

Hold

Getting started

1. Charging the rechargeable battery

The headphones' rechargeable battery is not fully charged upon delivery. Before using the headphones for the first time, charge the rechargeable battery for a complete charging cycle without interrup tion (> 11).

2. Installing the Smart Control app on your smartphone

The Sennheiser Smart Control app allows you to use all functions and settings of the headphones and to e.g. adjust the sound to your liking using the equalizer (>

15).

3. Connecting the headphones to a Bluetooth device

Connect the headphones to your smartphone via Bluetooth (> 12).

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Getting started

4. Putting the headphones on and adjusting the headband

For good sound quality and best possible wearing comfort, the headband can be adjusted to properly fit your head (> 17).

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