Clarion DRX9675z owner manual Troubleshooting, Channel selection, Selection of center frequency

AC PROCESSOR Operations

9. TROUBLESHOOTING

Editing/storing a P.EQ menu (User memory)

1.Select a P.EQ menu which you want to edit on the basis of.

2.Press ENT button $.

3.Press VOLUME buttons 2 up (w) or down (z) to select the item to be adjusted.

There are selections of correction channel, correction band, the center frequency, the Q- curve and gain adjustment available for the items to be adjusted.

•The P.EQ adjustment contents are as follows:

Channel selection

Select the channel to be compensated (front or rear).

Selection of center frequency

Select the center frequency that you want to compensate from the range of 20Hz to 20kHz. (1/3 octave step, 31 points)

Selection of Q-curve

Set the sharpness of the Q-curve to one of the parameters: 1, 3, 5, 7 and 20.

Gain adjustment

Adjust the gain (output level) in the range of - 12dB to +12dB. (1dB step, 25 points)

About the compensation of frequency char- acteristics

See Figure 1 concerning the relationship of the center frequency, Q-curve (Q) and gain.

Level			Q curve (Q)
(dB)					Q=	F
						f
				3dB
	Gain
	(G)
		f

About the Q-curve (Q)

For the Q-curve (Q), setting larger values makes the curve sharper, setting smaller values makes the curve flatter. (Figure 2)

Selecting the Q-curve (Q) opposite to the fre- quency curve to be compensated makes the fre- quency characteristics flat.

Q curve (Q)

High	Low
Q curve; 20	Q curve; 1
	Figure 2

4.Press the right side of SEARCH button 4 to move the cursor.

5.Press VOLUME buttons 2 up (w) or down (z) to make the adjustment.

6.Repeat steps 3 to 5 to complete the adjustment and press ENT button $.

7.Press and hold one of Direct buttons " for 2 seconds or longer to store the edited contents.

∗You can give a title to the user memory. For the inputting method of titles, refer to the section “Entering titles” in “Operations common to each mode”.

8.Press MODE button & three times or press and hold ENT button $ for 1 second or longer to return to the previous mode.

	Problem	Cause			Measure
	Power does not	Fuse is blown.	Replace with a fuse of the same amperage. If the
	turn on.		fuse blows again, consult your store of purchase.
	(No sound is
	produced.)	Incorrect wiring.	Consult your store of purchase.
	Nothing happens	The microprocessor has	Press the reset button for about 2 seconds with a thin
	when buttons are	malfunctioned due to noise,	rod.
General	pressed.	etc.
	Display is not			Reset button
	accurate.

		DCP or source unit	Wipe the dirt off with a soft cloth moistened with
		connectors are dirty.	cleaning alcohol.
	Compact disc	Another compact disc is	Eject the compact disc before loading the new one.
	cannot be loaded.	already loaded.
		There is a disc other than a	Press and hold OPEN button 6 for 2 seconds or
		CD or foreign matter already	longer. The foreign matter is forcibly ejected.
		in place.
CD	Sound skips or is	Compact disc is dirty.	Clean the compact disc with a soft cloth.
	noisy.
		Compact disc is heavily	Replace with a compact disc with no scratches.
		scratched or warped.
	Sound is bad	Water droplets may form on	Let dry for about 1 hour with the power on.
	directly after	the internal lens when the
	power is turned	car is parked in a humid
	on.	place.
DSP	Poor sound	The equalizer levels are too	If the equalizer levels are too high, the sound may
	quality	high.	distort. Lower the equalizer levels.

Frequency curve

Center frequency (F) Frequency (Hz)

Figure 1

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