Microsoft Corporation RM-821 Manuel D’Utilisation

Set the keys and screen to lock automatically

On the start screen, swipe left, tap Settings > lock screen > Screen times out after, and select the

length of time after which the keys and screen are locked automatically.

Connect the headset

Enjoy your favourite music, or free your hands for other things when in a call.
Connect the headset to your phone.

Do not connect products that create an output signal, as this may damage the device. Do not connect

any voltage source to the audio connector. If you connect an external device or headset, other than

those approved by Nokia for use with this device, to the audio connector, pay special attention to

volume levels.

Change the volume

Trouble hearing your phone ringing in noisy environments, or calls too loud? You can change the

volume to your liking.
Use the volume keys.