Turning Loudness On/Off; Selecting Bbe Mode; Setting Bass Frequency; Changing Display Pattern Of Audio Level - Alpine CTM-1503R Owner's Manual

Turning Loudness On/Off

Loudness introduces a special low- and high-
frequency emphasis at low listening levels. This
compensates for the ear's decreased sensitivity
to bass and treble sound.
1
Press and hold the MODE (Audio Control) knob
for at least 2 seconds to activate or deactivate
the loudness mode.
The display shows "LOUD ON" when the
loudness mode is activated.

Selecting BBE Mode

The BBE (Barcus Berry Electronics) processor
installed in this unit is designed to correct the
phase distortion inherent in most loudspeaker
designs. Ensuring the phase integrity of the
signal driving the speakers improves the
accurate reproduction of the sound.
1
Press the BBE button to turn on the BBE mode.
Each press toggles between the BBE on and off
modes.
2
In BBE mode, press the BBE button for more
than 2 seconds to turn ON the BBE adjusting
mode.
To set the BBE adjusting mode to OFF, press the
BBE button for more than 2 seconds.
NOTE
In BBE adjusting mode, wait 5 seconds without
pressing any button. The BBE adjusting mode is turned
OFF.
3
To change to a desired BBE level, rotate the
MODE (Audio Control) knob.
The BBE level can be changed from +1 to +3.
NOTE
The initial mode is +2.

Setting Bass Frequency

The bass control centre frequency can be set at
60, 80, 100 or 200 Hz.
1
Press the B.C. (Bass Control) button to turn on
the bass control settings.
2
Press the DN g or the f UP button to
select the desired Bass centre frequency.
Each press changes the centre frequency as
follows: 60 Hz, 80 Hz, 100 Hz and 200 Hz.
NOTE
If no buttons are pressed within 5 seconds, the bass
control settings will be turned off automatically.
3
Press the B.C. (Bass Control) button to turn off
the bass control settings.
NOTE
Initial mode is 80Hz.
Changing Display Pattern of Audio
Level
1
Press the DISP button to turn the OLI ON.
The display pattern (Level indicator) will change.
Level indicator
OLI ON:
The level indicator bars light up from the left side
to the right side repeatedly in accordance with
the musical signals.
Press the DISP button again to turn the OLI OFF.
The indicator displays the volume level.
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