Bosch PLENA Series User Manual

14 en | Configuration PLENA Mixer amplifier, 4-zone, 240W
2019-03 | V1.1 | Operation manual Bosch Security Systems B.V.
6 Configuration
6.1 Unit settings
6.1.1 Rear panel settings
The unit can be quickly set-up for operation by setting the following controls at the rear of the
unit:
– DIP switches
Default settings: mic/line-1: mic, chime: on, phantom power: on, PTT: on.
– Rotary knobs
Default settings: ducking: max (mute), telephone/emergency: max.
See the following tables for an overview of the settings and typical examples of their use.
DIP switch On Off Typical example
Line
(mic/line-1)
Input signal from line. Input signal from
microphone.
Depends on set-up.
Chime (mic/line-1) Chime will be
sounded at the
beginning of an
announcement.
Chime will not be
sounded at the
beginning of an
announcement.
Use a chime to attract
listener's attention
before making an
announcement.
Phantom power
(mic/line-1, mic-2,
mic-3)
Provides power to
condenser
microphones.
Phantom power
unavailable.
Enable phantom
power if you use
electret or condenser
microphones.
PTT “Push to
talk” (mic/line 1)
When the Push to talk
contact is closed (for
example, by pressing
the PTT button of
PLE-1CS call station):
• this input is
available for speech.
• a chime will sound,
if selected.
• the music and other
mic inputs will be
reduced in volume to
the level set by the
ducking level control
knob.
Mic/line-1 input will
mix with the
background music or
the other
microphones in the
selected zones.
Live broadcast with
PTT on will override
all other audio inputs,
except the emergency
input.

Bosch PLENA Series Specifications

General

Brand	Bosch
Model	PLENA Series
Category	Amplifier
Language	English