Setting The Mid Control; Setting The Treble Control; Setting The Source Volume Level; Adjusting The High Pass Filter - Alpine CDE-HD138BT Quick Reference Manual

 Setting the Bass Center Frequency (CENTER FRQ)
Turn the Rotary encoder to select the desired bass center
frequency.
60 (Hz)  80 (Hz)  100 (Hz)  120 (Hz)
Emphasize the displayed bass frequency ranges.
 Setting the Bass Level
Turn the Rotary encoder to select the desired bass level
*
(−7 ~ +7) .
You can emphasize or weaken the bass level.
* The adjustment can also be made by pressing AUDIO. Refer to
"Adjusting Subwoofer Level/Bass Level/Middle Level/Treble Level/
Balance (Between Left and Right)/Fader (Between Front and
Rear)/Loudness/Defeat" on page 16.

Setting the Mid Control

1
After selecting MID from the 3BAND EQ adjustment mode,
turn the Rotary encoder to select the desired item, and
then press ENTER.
WIDTH (Q)  CENTER FRQ  LEVEL
2
Turn the Rotary encoder to select the desired setting
value, and then press ENTER.
3
Press  to return to the previous step.
 Setting the Mid Bandwidth (WIDTH (Q))
Turn the Rotary encoder to select the desired Mid
bandwidth.
WIDE 0.75  MEDIUM 1.00  MEDIUM 1.25  NARROW 1.50
 Setting the Mid Center Frequency (CENTER FRQ)
Turn the Rotary encoder to select the desired Mid center
frequency.
500 (Hz)  1.0 k (Hz)  1.5 k (Hz)  2.5 k (Hz)
 Setting the Mid Level
Turn the Rotary encoder to select the desired Mid level
*
(−7 ~ +7) .
You can emphasize or weaken the Mid level.
* The adjustment can also be made by pressing AUDIO. Refer to
"Adjusting Subwoofer Level/Bass Level/Middle Level/Treble Level/
Balance (Between Left and Right)/Fader (Between Front and
Rear)/Loudness/Defeat" on page 16.

Setting the Treble Control

1
After selecting TREBLE from the 3BAND EQ adjustment
mode, turn the Rotary encoder to select the desired item,
and then press ENTER.
WIDTH (Q)  CENTER FRQ  LEVEL
2
Turn the Rotary encoder to select the desired setting
value, and then press ENTER.
3
Press  to return to the previous step.
 Setting the Treble Bandwidth (WIDTH (Q))
Turn the Rotary encoder to select the desired treble
bandwidth.
WIDE 0.75  NARROW 1.25
 Setting the Treble Center Frequency (CENTER FRQ)
Turn the Rotary encoder to select the desired treble
center frequency.
7.5 K (Hz)  10.0 K (Hz)  12.5 K (Hz)  15.0 K (Hz)
 Setting the Treble Level
Turn the Rotary encoder to select the desired treble level
*
(−7 ~ +7) .
You can emphasize or weaken the treble level.
* The adjustment can also be made by pressing AUDIO. Refer to
"Adjusting Subwoofer Level/Bass Level/Middle Level/Treble Level/
Balance (Between Left and Right)/Fader (Between Front and
Rear)/Loudness/Defeat" on page 16.

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.
The Hands free phone talk level, ring tone level and microphone gain
level can also be adjusted by using this setting.
 Setting item: VOL LV ADJ
 Further setting items: TUNER / SIRIUSXM
/ BT AUDIO / BT PANDORA / AUX / PHONE TALK / RING TONE /
MIC GAIN
Setting contents:
−5 dB ~ +5 dB
* Only for CDE-HD138BT.

Adjusting the High Pass Filter

The High Pass Filter on this unit can be adjusted to suit your personal
taste. This feature works best when used in conjunction with a
subwoofer.
 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.
*
/ DISC / USB / iPod
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