
User manual
René Koch AG
044 782 6000
Seestrasse 241
044 782 6001 Fax
8804 Au/Wädenswil
BA VTC40 e
11.14
Overview of the device
Display button
□
(5)
Unlock button (2)
Talk button (1)
Green LED (right):
Call at door,
Talk mode active
Red LED (left):
Mute,
Additional functions
Control button DOWN
(4)
Loudspeaker
Microphone
Function button
○
(6)
Control button UP (3)
Colour display