Number Item Description
7 Remote Master volume Use the Remote Master volume control to change the master volume
level of the All‑in‑One Unit. The remote master volume control is only
functioning when it is enabled on the Wall Panel with the Enable button
(7) or when it is enabled by setting the Music selector of the
All‑in‑One Unit (7) to Remote.
8 Enable button – To activate the wall panel, press the Enable button, the
corresponding LED will go on.
– To deactivate the panel, press the Enable button again.
– The green Enable LED will flash fast (5 Hz) when a higher priority
signal is active on the All‑in‑One Unit. This can be a signal on the
Telephone/Emergency input or from a call station. The Enable LED
will flash slowly (1 Hz) when it is deactivated.
Plena All-in-One System Operation | en 41
Bosch Security Systems B.V. Installation and Operating Manual 2014.09 | V1.2 |