Instruction manual
Table Of Contents
- Important safety instructions
- Package contents
- Product overview
- Getting started
- Using the headphones
- Information on the rechargeable battery and the charging process
- Charging the headphones' rechargeable battery
- Connecting the headphones to a Bluetooth device
- Information on the Bluetooth wireless connection
- Pairing the headphones with a Bluetooth device
- Disconnecting the headphones from a Bluetooth device
- Installing the Smart Control app
- Switching the headphones on
- Switching the headphones off
- Putting the headphones on and adjusting the headband
- Retrieving information on the battery charge status
- Adjusting the volume
- Information on active noise cancellation ANC
- Activating/deactivating the active noise cancellation ANC
- Listening to music using the headphones
- Controlling music playback
- Making phone calls using the headphones
- Using the voice assistant/voice dialing
- Using Amazon Alexa as voice assistant
- Adjusting sound effects/the equalizer
- Using the audio cable/activating flight mode
- Connecting the headphones using the audio cable
- Storing and transporting the headphones
- Care and maintenance
- FAQ/If a problem occurs ...
- Specifications
- Manufacturer Declarations
Product overview
8 | HD 450SE
Notes on voice prompts
The headphones output voice prompts for various functions (see
examples below).
Notes on beeps/acoustic signals
The headphones output beeps/acoustic signals for the following
functions.
Voice prompt Meaning/headphones
“Power on” are switched on
“Power off” are switched off
“Connected” are connected via Bluetooth
“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.
Acoustic signal Meaning/headphones...
2x low-pitched beep minimum volume is reached
2x high-pitched beep maximum volume is reached