Alpine CDA-9883E owner manual Setting the Treble Control, Adjusting the High Pass Filter

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 BASS

Setting the Treble Centre Frequency

2-1 Press BAND to select the desired treble centre frequency.

10.0 kHz 12.5 kHz 15.0 kHz 17.5 kHz 10.0 kHz

Emphasizes the displayed treble frequency ranges.

Setting the Treble Level

2-2*Turn the Rotary encoder to select the desired treble level (–7~+7).

You can emphasize or weaken 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.).

•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.

*The adjustment can also be made by pressing Rotary encoder (AUDIO). Refer to “Adjusting Bass/Treble/Balance (Between Left and Right)/Fader (Between Front and Rear)/Defeat” (page 13).

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 BASS

2 Turn the Rotary encoder to select the HPF frequency.

OFF 80 Hz 120 Hz 160 Hz

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 function is inoperable when DEFEAT is set to ON.

•When an external audio processor is connected, this setting cannot be made.

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.

•When an external audio processor is connected, this setting cannot be made.

•The function is inoperable when DEFEAT is set to ON.

14-EN