Section

06Audio Adjustments

If you switch the SFEQ mode, the H.P.F. func- tion is automatically switched off. By switch- ing the H.P.F. function on after selecting the SFEQ mode, you can combine H.P.F. function with SFEQ function.

Using the equalizer

The graphic equalizer lets you adjust the equal- ization to match car interior acoustic character- istics as desired.

Using balance adjustment

You can select a fader/balance setting that pro- vides an ideal listening environment in all occu- pied seats.

1 Press AUDIO to select Fad.

Press AUDIO until Fad appears in the display.

If the balance setting has been previously adjusted, Bal will be displayed.

2Press 5 or to adjust front/rear speaker balance.

Each press of 5 or moves the front/rear speaker balance towards the front or the rear.

Fad F15 Fad R15 is displayed as the front/rear speaker balance moves from front to rear.

Fad 0 is the proper setting when only two speakers are used.

• When the rear output setting is Rear SP:S.W, you cannot adjust front/rear speaker balance. Refer to Setting the rear output and subwoofer controller on page 34.

3Press 2 or 3 to adjust left/right speaker balance.

When you press 2 or 3, Bal 0 is displayed. Each press of 2 or 3 moves the left/right speaker balance towards the left or the right.

Bal L9 Bal R9 is displayed as the left/right speaker balance moves from left to right.

Recalling equalizer curves

There are seven stored equalizer curves which you can easily recall at any time. Here is a list of the equalizer curves:

Display

Equalizer curve

 

 

SUPER BASS

Super bass

 

 

POWERFUL

Powerful

 

 

NATURAL

Natural

 

 

VOCAL

Vocal

 

 

CUSTOM1,2

Custom1,2

 

 

FLAT

Flat

 

 

CUSTOM1 and CUSTOM2 are adjusted equal- izer curve.

A separate CUSTOM1 curve can be created for each source. (The Built-in CD player and Multi-CD player are set to the same Equalizer Curve Adjustment setting automatically.)

If you make adjustments when a curve other than CUSTOM2 is selected, the equalizer curve settings are memorized in CUSTOM1.

A CUSTOM2 curve can be created common to all sources.

If you make adjustments when the CUSTOM2 curve is selected, the CUSTOM2 curve is updated.

When FLAT is selected no supplement or correction is made to the sound. This is useful to check the effect of the equalizer curves by switching alternatively between FLAT and a set equalizer curve.

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Pioneer DEH-P640 operation manual Using the equalizer, Using balance adjustment, Recalling equalizer curves

DEH-P640 specifications

The Pioneer DEH-P640 is a versatile and feature-rich car stereo that delivers a superior audio experience for those who appreciate high-quality sound on the road. Renowned for its exceptional sound quality and user-friendly design, the DEH-P640 integrates various technologies and characteristics that enhance both functionality and convenience.

One of the standout features of the DEH-P640 is its Direct Sound Control function. This allows users to fine-tune their audio settings to achieve a personalized sound profile. The unit is equipped with a 4-band equalizer, enabling precise adjustments of frequencies to suit individual preferences and the acoustics of the vehicle. Additionally, the DEH-P640’s built-in MOSFET amplifier provides robust power output, ensuring that music sounds rich and detailed, enhancing the listening experience.

Another notable aspect of the DEH-P640 is its compatibility with a wide array of audio formats. It supports both CD and MP3 playback, giving users the option to enjoy their favorite tracks from traditional CDs or digital music libraries. The front panel features a convenient auxiliary input, allowing for direct connection of portable devices, such as smartphones and MP3 players. Furthermore, the unit is equipped with a USB port, enabling access to USB flash drives containing music files.

The DEH-P640 also incorporates advanced technologies for improved user interaction. Its bright, easy-to-read display keeps users informed about the current track and settings. Additionally, the stereo features customizable colors for the display and buttons, allowing users to match the unit with their vehicle's interior aesthetic. The simple interface ensures that adjustments can be made with minimal distractions, promoting safer driving.

For those who appreciate the processing power of digital audio, the DEH-P640 includes features such as Sound Retriever and Advanced Sound Retriever, which enhance compressed audio files by restoring lost frequencies, resulting in a more vibrant and engaging listening experience.

The DEH-P640 is designed not just for music lovers, but also for those seeking a comprehensive multimedia experience. With its range of features, high-quality sound output, and user-friendly interface, this car stereo has cemented its place as a popular choice among consumers looking to enhance their in-car audio experience. Overall, the Pioneer DEH-P640 is an excellent investment for anyone looking to elevate their daily commutes or road trips with exceptional sound quality and technological sophistication.