Alpine HDP-D90 Owner's Manual page 31

14 channel audio processor amplifier
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Indicators
0
Power
and
Protection Indicator
Within 2 seconds of
booting,
the indicator
light will show
red;
In the protection
state,
the
indicator light
shows red
light;
When working
normally,
the indicator light
shows blue light;
When shutting
down,
the
indicator light
is
off.
7-EN
-
0
◄11-+---+--+--_.
-
-
C
◄11-+-----+---+1--_.,.~
"':"'
C
...+-¼-----+-+1--__.I
f)
Hi-
Res Signal Indicator
When the optical
fiber/
coaxial input signal is
Hi-Res standard
signal,
the indicator light is
always on (red
light);
When there is no Hi-Res standard signal for
analog input and optical/coaxial
input
signal,
the indicator light is
off.
€)
Internal Amplifier Indicator
When the internal power amplifier is turned
on,
the
indicator light is always on (red
light);
off,
the When the internal power amplifier is
turned
indicator light goes out.

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