Alpine 7525R - Page 11

A.S.C. (Ambience Sound Compensator) (7525R only)
The A.S.C. detects the ultra-low and medium low frequency noise which changes
according to the vehicle’s speed and road conditions, and controls the volume and tone
using judgments near those of the human senses thanks to fuzzy logic to keep the
settings at a comfortable level.
1. Play the radio, a cassette or a CD and adjust the volume and tone as desired.
2. Press the A.S.C. button @. The A.S.C. function is activated and the volume and tone
are controlled automatically.
3. To release the A.S.C. function, press the A.S.C. button @ a second time.
Switching the A.S.C. Mode (7525R only)
A.S.C. includes three different sensitivity settings to keep the 7525R’s output audible
above the ambient noise level (caused by the road noise and speed of the vehicle). The
different levels as indicated in the display are, in decreasing order, A.S.C. 1, A.S.C. 2,
AS.3:
1. Press the A.S.C. button @ for two seconds.
2. “A.S.C. 1" is indicated on the display, and the mode changes each time the button is
pressed.
eas 1 @ASC.2 3 ASC. 3 a
NOTE:
The A.S.C. mode can be switched even if the A.S.C. function is not activated.
Automatic Set Up
All the bothersome initialization procedures required after installation are conducted
automatically.
1. With the power turned On, press the Power Off/Auto Set Up button @ for 3 seconds.
The following procedures are conducted automatically.
2. "A.S.U." flashes three times on the dot matrix display
@).
3. The unit is set to the D.A.P. mode and stations are
automatically stored in the memory.
4. The treble, bass, balance and fader settings are all set = J
to the center. The various modes and levels are .
indicated on the dot matrix display 43 and bar graph
33).
The volume gradually increases.
The A.S.U. operation is completed.
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