Alpine HDP-D90 - Page 31

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 i nput 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 li ght goes out.