18
Power
Save Mode
The Power
Save Mode
is
incorporated
in
the ba-
sic setup.
It allows to significantly reduce the power
consumption of the
PP
82DSP
(or any additional
connected amplifier) once there's no input signal for
more than
60 seconds. Please note that
in
many
up-to-date cars with
"CAN"
or any other internal bus
structures it may happen that the radio (and therefo-
re
the
PP
82DSP
as
well) remains
"invisibly"
turned
on
for up to 45 min. after leaving the car!
Once
the
"Power Save
Mode
is
active the output
stages of the
PP
82DSP
and its
"Remote Output"
will
be
turned off, thus reducing current draw to less
than
250
rnA.
The amp
will
turn again to
full
operati-
on
within 2 sec. if a music signal is applied.
It
is
possible
to
either modify the turn-off time
of
60
sec. or
completely
deactivate the
"Power Save
made"
via the
PC-tool
Class
HD
and
P
3
S
power
supply
technology
For the first time the
PP
82DSP
combines the ad-
vantages
of
a
Class H technology with the principle
of
a
class
D amplifier. The result
is
an
unsurpassed
efficiency, which easily outperforms any conventio-
nal class
D amplifier.
The new
P
3
S power supply technology controls the
internal supply voltage for the output stages as a
function
of
the amplitude of the input
signal.
Thus
the average power dissipation of the amplifier
is
dramatically
reduced.
Like
all
other
MATCH
amplifiers the
PP
82DSP
is
perfectly prepared for cars with start-/stop feature.
Please note:
Nevertheless the
PP
82DSP
has
an
undervoltage
protection.
If
the
supply
voltage drops
below
9.6
volts
for more than 5 seconds the amplifier goes to
"Protect mode"
(Status LED lights up red)
in
order
to avoid any further discharge of the car's battery.
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