Operating instructions

Step by Step
Basic functions
42
Switching to the handset
Prerequisite: You are conducting a call in speaker-
phone mode.
^ Lift the handset.
n The LED key goes out.
Open listening
People present in the room can silently monitor your
call.
Prerequisite: You are conducting a call via the handset.
Activating
n Press the key shown. The LED lights up.
Deactivating
n Press the lit key. The LED goes out.