Sennheiser HD 450BT Instruction manual HD 450BT - Page 24

Using the headphones Using the voice assistant/voice dialing ▷ Press the voice assistant button once. The available voice assistant of your smartphone is activated (* depending on the system or app on your smartphone: Siri, Google Assistant, or others. If no voice assistant is available, voice dialing may be activated). ▷ Ask the voice assistant your question or make a request. Right R 1x To cancel the voice assistant/voice dialing: ▷ Press the voice assistant button 1x. Adjusting sound effects/the equalizer To be able to use the sound effects/equalizer, you require the Smart Control app (> 15). ▷ In the Smart Control app, select the desired sound effects. The sound effects are stored in the headphones. These sound settings are active even without using the Smart Control app, i.e. when you are using another Bluetooth device. Using the audio cable/activating flight mode If you connect the audio cable, flight mode is activated and the Bluetooth wireless connection is deactivated. Use the audio cable when: • wireless transmission is not allowed, e.g. during aircraft take-off and landing, • the headphone's rechargeable battery is empty, • your audio source does not offer a Bluetooth connection. The functions for controlling music and/or calls or voice assistance are not possible. The active noise cancellation ANC can be fully used provided that the rechargeable battery is charged. 24 | HD 450BT