Setting The Treble Control; Adjusting The High Pass Filter; Turning Loudness On/Off - Alpine CDA-9885R Owner's Manual

Setting the Treble Control

You can change the Treble Frequency emphasis to create your own tonal
preference.
1
Press A.SEL to select the TREBLE (treble Centre
frequency) control mode.
Bass Treble HPF
Setting the Treble Centre Frequency
2
-1 Press BAND/TA to select the desired treble Centre
frequency.
10 kHz 12.5 kHz 15 kHz
Emphasizes the displayed Treble frequency ranges.
Setting the Treble Level
2
2
-2 Turn the Rotary encoder to select the desired
*
treble level (–7~+7).
You can emphasize the treble
3
Press and hold /ESC for at least 2 seconds to
return to normal mode.
• If no operation is performed for 15 seconds, the unit will return to
normal mode automatically.
• The treble level settings will be individually memorized for each
source (FM, MW (LW), CD, etc.) until the setting is changed. The
Treble frequency settings adjusted for one source are effective for all
other sources (FM, MW (LW), CD, etc.).
• Depending on the connected devices, some functions and display
indications do not work. However, Treble Level is still adjustable if
an audio processor with the Treble function is connected.
• The function is inoperable when DEFEAT is set to ON.
2
* The adjustment can also be made by pressing AUDIO/RTN. Refer to
"Adjusting Bass/Treble/Balance (Between Left and Right)/Fader
(Between Front and Rear)/Defeat" (page 16).

Adjusting the High Pass Filter

The High Pass Filter on this unit can be adjusted to suit your personal
taste.
1
Press A.SEL to select the HPF (High Pass Filter)
mode.
Bass Treble HPF
2
Turn the Rotary encoder to select the HPF
frequency.
OFF 80 Hz 120 Hz
3
After setting, press and hold
seconds to return to normal mode.
• If no operation is performed for 15 seconds, the unit will return to
normal mode automatically.
• The function is inoperable when DEFEAT is set to ON.
• When an external audio processor is connected, this setting cannot
be made.
Bass
17.5 kHz 10 kHz
.
level
Bass
160 Hz
/ESC for at least 2

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.
Press and hold AUDIO/RTN (LOUD) for at least 2
seconds to activate or deactivate the loudness mode.
"(LD)" indicator lights.
• When an external audio processor is connected, this setting cannot
be made.
• The function is inoperable when DEFEAT is set to ON.
17
-EN