Setting The Treble Control; Setting The Treble Center Frequency; Adjusting The High Pass Filter; Turning Loudness On/Off - Alpine CDE-9881L Owner's Manual

Setting the Treble Control

You can change the Treble Frequency emphasis to create your own tonal
preference.
1
Press A.SEL repeatedly to select the TREBLE mode.
BASS TREBLE HPF

Setting the Treble Center Frequency

2
-1 Press BAND to select the desired treble center
frequency.
10.0 kHz 12.5 kHz 15.0 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 level.
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, AM, CD, etc.) until the setting is changed. The Treble
frequency settings adjusted for one source are effective for all other
sources (FM, AM, CD, etc.).
• The function is inoperable when DEFEAT is set to ON.
2
* The adjustment can also be made by pressing Rotary encoder. Refer
to "Adjusting Bass/Treble/Balance (Between Left and Right)/Fader
(Between Front and Rear)/Defeat" (page 12).

Adjusting the High Pass Filter

The High Pass Filter on this unit can be adjusted to suit your personal
taste.
1
Press A.SEL repeatedly to select the HPF mode.
BASS TREBLE HPF
2
Turn the Rotary encoder to select the desired HPF
frequency.
OFF 80 Hz 120 Hz
All frequencies above the selected cutoff are output.
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 Bass and Treble controls effectiveness in modifying the sound,
depends on their settings and where the HPF is set.
• The function is inoperable when DEFEAT is set to ON.
BASS
17.5 kHz 10.0 kHz
BASS
160 Hz

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 Rotary encoder (LOUD) for at least 2
seconds to activate or deactivate the loudness mode.
• The function is inoperable when DEFEAT is set to ON.
13
-EN