Setting The Source Volume Level; Adjusting The High Pass Filter; Turning Subwoofer On/Off; Adjusting The Low Pass Filter - Alpine CDE-143BT Manual

Setting the Source Volume Level

The output level of each source is individually adjustable. For example, if
the TUNER level sounds lower than CD, its output can be adjusted
without affecting the other sources.
 Setting item: VOL LV ADJ
 Further setting items: TUNER / SIRIUSXM
iPod / BT AUDIO / AUX
Setting contents:
-14 dB ~ +14 dB
Only for CDE-SXM145BT.
Only for CDE-SXM145BT/CDE-143BT.

Adjusting the High Pass Filter

The High Pass Filter on this unit can be adjusted to suit your personal
taste.
 Setting item: HPF
Setting contents:
HPF OFF (Initial setting) / HPF 60 (Hz) / HPF 80 (Hz) /
HPF 120 (Hz) / HPF 160 (Hz)
All frequencies above the selected cutoff are output.

Turning Subwoofer ON/OFF

When the subwoofer is on, you can adjust the subwoofer output level
(refer to "Adjusting Subwoofer Level/Bass Level/Mid Level/Treble Level/
Balance (Between Left and Right)/Fader (Between Front and Rear)/
Defeat" on page 15).
 Setting item: SUBWOOFER
Setting contents:
SUBW OFF / SUBW ON (Initial setting)
OFF:
No subwoofer signal is output from the Subwoofer RCA
Connectors (refer to "Connections" on page 44).
ON:
The subwoofer signal is output from the Subwoofer RCA
Connectors (refer to "Connections" on page 44).

Adjusting the Low Pass Filter

The Low Pass Filter on this unit can be adjusted to suit your personal
taste.
 Setting item: SUBW LPF
Setting contents:
LPF OFF (Initial setting) / LPF 60 (Hz) / LPF 80 (Hz) /
LPF 120 (Hz) / LPF 160 (Hz)
All frequencies lower than the selected cutoff are output.

Setting the Subwoofer Phase

The subwoofer output phase is toggled SUBWOOFER NORMAL (0°) or
SUBWOOFER REVERSE (180°). To adjust the level, turn the Rotary
encoder.
 Setting item: SUBW PHASE
Setting contents:
NORMAL (Initial setting) / REVERSE

Setting the Subwoofer System

When the subwoofer is on, you can select either SYS 1 or SYS 2 for the
desired subwoofer effect.
 Setting item: SUBW SYS
Setting contents:
*1 *2
/ DISC / USB /

External Device

Connecting to an External Amplifier (POWER IC)

When an external amplifier is connected, sound quality can be
improved by stopping the power supply of the built-in amplifier.
 Setting item: POWER IC
Setting contents:
SUBW SYS 1 / SUBW SYS 2 (Initial setting)
SUBW SYS 1:
Subwoofer level changes according to the main volume setting.
SUBW SYS 2:
Subwoofer level change is different from the main volume setting.
For example, even at low volume settings, the subwoofer is still
audible.
OFF / ON (Initial setting)
OFF:
Use this mode when the line output of this unit is used to drive an
external amplifier. In this setting, the head unit's internal amplifier
is turned OFF and cannot drive speakers.
ON:
The speakers are driven by the built-in amplifier.
OFF:
Amplifier
Amplifier
ON:
SPEAKER
RIGHT FRONT
SPEAKER
RIGHT REAR
SPEAKER
LEFT REAR
SPEAKER
LEFT FRONT
Front
Left
Front
Right
Rear
Left
Rear
Right
Speakers
Front
Right
Rear
Right
Rear
Left
Front
Left
17
-EN