Instruction Manual

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UI 770 universal interface
UI 770 | 3
Intended use/Liability
The universal interface can be used for calling and – together with
a PC (VoIP) and/or a telephone – for audio input/output and is
intended for professional office or call center use.
It is considered improper use when this product is used for any
application not named in this instruction manual.
Sennheiser does not accept liability for damage arising from
abuse or misuse of this product and its attachments/accessories.
The risk is to be borne by the user.
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 batteries.
UI 770 universal interface
The UI 770 allows you to connect:
• a standard telephone that supports handsets with a dynamic,
carbon or electret microphone
• a handset
• a headset of the Sennheiser Office or Call Center series
• a PC with a sound card or USB audio adapter (enabling you to
use the headset for VoIP and multimedia applications)
• a dictaphone for voice recording
With the UI 770, you can then switch between the headset, the
handset and the PC, set the volume of the headset speaker and
microphone and mute the headset microphone.
UI_770_EN.fm Seite 3 Freitag, 15. Januar 2016 11:11 11