Manual

6
Adjusting the UI 765 to your telephone
Use the switch  at the bottom of the housing to adjust
the UI 765 to your telephone.
왘 First make sure that the handset and the headset are
connected correctly. The handset must be activated,
i.e. the Headset/Handset button  must be in “down”
position. Check if you can hear a dial tone in the
handset. Press the Headset/Handset button  to
activate the headset. Check if you can hear a dial tone.
Otherwise, please proceed as follows:
Set the ABC switch  to the positions “A”, “B” and “C”
one after the other. In each position, check if you
can hear a dial tone. The switch is located at the box
bottom side.
UI 765 Technical
ABC switch 
Clear dial tone adjustment (wiring)
Microphone VC 
Adjust microphone sensitivity Position 0–9
EU Switch

85 dB output limit



UI_765.book Seite 6 Donnerstag, 19. Februar 2009 6:03 18