p. 35 - Audio
BANDIT
240
PB
v.
408
AUDIO
The unit 240PB has two build-in speakers. These are hidden behind the front panel and
are extra mechanically protected with a perforated metal plate.
Mute
ol
e
V um
data
12 VDC
er
pow
0 ground
er
pow
udi
A
o
data
Audio
ignal
s
MCU
Audio
amplifier
Digi-
volume
control
+
ch. A
ch. A
ch. B
ch. B
+
Blok scheme audio circuit
The available
signals are compiled into the flash memory of the MCU The preferred
cy is presented through a high-low
and a digital potentiometer (volume
controller) to the a
u
amplifier.
This one controls the integrated speakers.
The meaning of the audio-part is to have the attention of the surroundings on some events.
audio
.
audio frequen
filter
nalog e 2 x 22 W audio
An overview, the
setting of the volume
and sound test buttons
of the different audio
messages is shown on
the screen:
-
7
BS-software -
;
Settings -
;
Edit -
;
Internal speakers
.
