Alpine CDA-7878R owner manual Adjusting and Storing the Crossover/ Time Correction, Way system

Adjusting the Sound Operation

BAND MODE/Audio Control

g DN

f UP

DIVIDER 1 2

Adjusting and Storing the Crossover/ Time Correction

Before performing the following procedures, refer to “Crossover” (page 30) and “Time Correction” (page 31).

1 Press and hold the DIVIDER button for at least 2 seconds.

Adjust the cut-off frequency/slope

2 Press the BAND button to select the channel to adjust.

2 way system

→Low range (LPF) → Front High range (HPF) Rear High range (HPF)∗ ←

3 way system

→Low range (LPF) → Mid range (HPF) High range (HPF)∗ ← Mid range (LPF) ←

∗Press the MODE button to activate the Output Level-adjusting mode.

4 Rotate the Audio Control knob to adjust the slope.

Slope can be adjusted to FLAT, 6, 12, 18, or 24 db/oct.

5 To adjust another channel, repeat steps 2 to 4. When the adjustment is completed, press the

DIVIDER button.

Adjust the output level

6 Press the BAND to select the channel to be adjusted.

2 way system
→Low		→		Low		→ Front high
	range (L)			range (R)			range (L)
	Rear high∗		← Rear high		←		Front high	←
	range (R)			range (L)			range (R)
3 way system
→ Low range		→		Low range		→ Mid range
	(L)			(R)			(L)
	High range∗			High	←		Mid range		←
	(R)		← range (L)				(R)

3 Press the g DN or f UP button to select the desired cut-off frequency point (cross over point).

2 way system

You can select the frequency from 20 Hz to 200 Hz (1/3 octave step) for each channel.

3 way system

Low range (LPF) /Mid range (HPF):

You can select the frequency from 20 Hz to 200 Hz (1/3 octave step).

Mid range (LPF) /High range (HPF):

You can select the frequency from 20 Hz to 20 kHz (1/3 octave step).

∗Press the MODE button to switch to the Time Correction Adjusting mode.

7 Rotate the Audio Control knob (Rotary encoder) to adjust the output level.

You can adjust the level from –12 to 0.

8 To adjust another channel, repeat the steps 6 to 7, then press the DIVIDER button.

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