Pioneer DEX-P99RS Audio Adjustments, Adjustable parameters, Points concerning network adjustments

Section

03Audio Adjustments

Adjustable parameters

The network function enables adjustment of the following parameters. Make adjustments in line with the reproduced frequency band and characteristics of each connected speaker unit.

1 4

!The slope indicates the number of decibels (dB) the signal is attenuated when the fre- quency is one octave higher (lower) (Unit: dB/oct.). The steeper the slope, the more the signal is attenuated.

Phase

You can switch phase (normal, reverse) for each speaker unit’s input signal. When the continuity of sound between speakers is im-

3

7

8

2

precise, try switching phase. This may improve the continuity of sound between speakers.

Points concerning network adjustments

Cut-off frequency adjustment

56

1Level (dB)

2Frequency (Hz)

3Level

4Reproduced frequency band

5Cut-off frequency of HPF

6Cut-off frequency of LPF

7Pass

8Slope (dB/oct.)

Reproduced frequency band Adjusting the HPF (high-pass filter) or LPF (low-pass filter) cut-off frequency lets you set the reproduced frequency band for each speaker unit.

!The HPF cuts frequencies (low) below the set frequency, letting high frequencies through.

!The LPF cuts frequencies (high) above the set frequency, letting low frequencies through.

Level

The difference in reproduced levels between speaker units can be corrected.

Slope

Adjusting the HPF/LPF slope (filter attenuation slope) lets you adjust the continuity of sound between speaker units.

!If you set the Low-LPF or SW-LPF cut-off frequency at a high level with a low-range speaker or subwoofer installed in the rear of the vehicle, the bass sound is separated so it sounds like it is coming from the rear. Setting the Low-LPF or SW-LPF cut-off fre- quency to 100 Hz or lower is recom- mended.

!The maximum input power setting for mid- dle- and high-range speakers is usually lower than low-range speakers. Please be aware that if the Mid-HPF or High-HPF cut- off frequency is set lower than required, strong bass signal input may damage the speaker.

Level adjustment

The basic frequencies of many musical instru- ments are in the middle range. First perform middle-range level adjustment, followed by high-range and then low-range and subwoofer level adjustment in that order.

Slope adjustment

!If you set a small absolute value for the slope (for a gentle slope), interference be- tween adjacent speaker units can easily re- sult in degraded frequency response.

26 En