Setting The Bass Control; Setting The Treble Control; Adjusting The Built-In Crossover - Alpine CDA-7892 Owner's Manual

Setting the Bass Control

You can change the Bass Frequency emphasis to
create your own tonal preference.
1
Press the CENTER f button to select the BASS (bass
Center frequency) control mode.
→ BASS → TREBLE → normal mode
2-1
Setting the bass Center frequency:
Press the g DN or f UP button to select the
desired bass center frequency.
→ 60Hz ↔ 70Hz ↔ 80Hz ↔ 90Hz ←
→ 180Hz ↔ 150Hz ↔ 130Hz ↔ 100Hz←
Emphasizes the displayed Bass frequency ranges.
2-2
Setting the bass Band Width (Q-Factor):
Press the BAND button to select the desired bass
Band Width.
→ B. Width1 → B. Width2 → B. Width3 → B. Width4
(Wide) ← ..................................... → (Narrow)
Changes the bass boost band width to wide or narrow.
A wide setting will boost a wide range of frequencies
above and below the center frequency. A narrower
setting will boost only frequencies near the center
frequency.
2-3
Setting the bass Level:
Turn the Rotary encoder to select the desired bass
Level (–7~+7).
You can emphasize or weaken the bass frequency.
NOTES
• If no buttons are pressed within 5 seconds, the Bass control
setting will be turned off automatically.
• The settings of the Bass Level will be individually memorized
for each source (FM, AM, XM, CD, etc.) until the setting is
changed. Once you set Bass frequency and Bass Band Width for
one of sources (FM, AM, XM, CD, etc.), this setting becomes
effective for all those sources. Depending on the connected
devices, some functions and display indications do not work.
• This function is inoperable when DEFEAT is ON.

Setting the Treble Control

You can change the Treble Frequency emphasis to
create your own tonal preference.
1
Press the CENTER f button to select the TREBLE
(treble Center frequency) control mode.
→ BASS → TREBLE → normal mode
2-1
Setting the treble Center frequency:
Press g DN or f UP button to select the desired
treble Center frequency.
→ 10.0kHz ↔ 12.5kHz ↔ 15.0kHz ↔ 17.5kHz ←
Emphasizes the displayed Treble frequency ranges.
2-2
Setting the treble Level:
Turn the Rotary encoder to select the desired Treble
Level (–7~+7).
You can emphasize the treble frequency.
NOTES
• If no buttons are pressed within 5 seconds, the Treble control
setting will be turned off automatically.
• The settings of the Treble Level will be individually
memorized for each source (FM, AM, XM, CD, etc.) until the
setting is changed. Once you set Treble frequency for one of
sources (FM, AM, XM, CD, etc.), this setting becomes
effective for all those sources. Depending on the connected
devices, some functions and display indications do not work.
• This function is inoperable when DEFEAT is ON.

Adjusting the built-in Crossover

The High and Low Pass Filters on this unit can be
adjusted to suit your personal taste.
1
Press and hold the X-OVER button for at least 2
seconds.
Repeat this procedure to select the desired parameter.
→ HPF → LPF∗ → normal mode
∗
When the subwoofer output of this unit is turned
OFF, LPF and phase are deactivated.
2
Press the g DN or f UP button to select the
desired setting.
1. HPF (Setting the High Pass Filter):
FLAT (OFF) ↔ 80Hz ↔ 120Hz ↔160Hz
Outputs all frequencies higher than that selected
according to your preference.
2. LPF(Setting the Low Pass Filter):
FLAT (OFF) ↔ 80Hz ↔ 120Hz ↔160Hz
Outputs all frequencies lower than that selected
according to your preference.
(Only available when using the subwoofer output from
this unit.)
NOTES
• If no buttons are pressed within 5 seconds, the setup menu
returns to the normal audio display.
• These functions are inoperative when an external, Ai-NET
processor is connected.
• If HPF, LPF, Bass Control and Treble Control are all set to
ON, depending on the Bass Control and Treble Control
settings, you may not be able to reinforce the sound effect.
• Except when the HPF and LPF is turned OFF, the subwoofer
is in monaural mode.
• When the subwoofer is set to OFF, LPF mode and change of
phase does not work.
7
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