Alpine iDA-305 Setting the Filter type, Setting the Time Correction Unit, Sound Field Adjustment

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Setting the Filter type

Normal (Initial setting) / Individual

If you adjust X-OVER, you can set the channel L and R at the same level, or independently.

Normal (L=R): Left and right speakers are adjusted equally.

Individual (L/R): Left and right speakers are individually adjusted.

Setting the Time Correction Unit

cm (Initial setting) / inch

You can change the unit, (cm or inch) of time correction.

Sound Field Adjustment

The setting of Parametric EQ/Graphic EQ Adjustment, Time Correction and X-Over can be adjusted in this mode.

Adjusting the Parametric Equalizer Curve

Sound Field Adjustment EQ Adjustment

You can modify the Equalizer settings to create a response curve more appealing to your personal taste. To adjust the Parametric Equalizer Curve, set the EQ mode to Parametric EQ. For details, refer to “Setting EQ mode” (page 30).

1 Rotate the Double Action encoder to select “EQ Adjustment” in the Sound Field adjustment mode, and then press /ENTER.

2 Rotate the Double Action encoder to select the Band, and then press /ENTER.

If a band is selected, each band adjustment screen is

Bandwidth Adjustment (Q)

Adjustable bandwidth: 1, 1.5, 3

Level Adjustment (Gain)

Adjustable level: -6 to +6 dB

•The frequencies of adjacent bands cannot be adjusted within 4 steps.

•While adjusting the Parametric EQ, you should consider the frequency response of the connected speakers.

•During adjustment, if you press in the outer ring and rotate the Double Action encoder to the left or right, the band changes, and you can adjust the adjacent band. If you press then rotate and hold the Double Action encoder to the left or right, the band continuously changes.

•The function is inoperable when Defeat is set to ON.

Adjusting the Graphic Equalizer Curve

Sound Field Adjustment EQ Adjustment

You can modify the equalizer settings to create a response curve more appealing to your personal taste. To adjust the graphic equalizer curve, set the EQ mode to Graphic EQ. For details, refer to “Setting EQ mode” (page 30).

1 Rotate the Double Action encoder to select “EQ Adjustment” in the Sound Field adjustment mode, and then press /ENTER.

2 Rotate the Double Action encoder to select the Band, and then press /ENTER.

If a band is selected, the screen to be adjusted is displayed.

Band1 / Band2 / Band3 / Band4 / Band5 / Band6 / Band7

3 Rotate the Double Action encoder to adjust the level, and then press /ENTER.

The level is selected, and the frequency selection mode is

displayed.

Band1 / Band2 / Band3 / Band4 / Band5

3 Rotate the Double Action encoder to adjust the frequency/band width/level.

The item currently being adjusted lights up.

activated.

Frequency

Level

 

 

 

 

 

 

 

 

 

 

 

Frequency

 

 

 

 

 

 

 

 

 

Level

 

 

Bandwidth

 

 

 

 

 

 

 

4 If /ENTER is pressed, the adjusted value is set, and operation moves to the next item to be adjusted.

5 When the selected band settings are complete, press BAND.

The next band adjustment screen is displayed.

6 Repeat steps 3 to 5, and adjust each band.

Frequency Adjustment (F0)

Adjustable frequency bands:

20 Hz to 20 kHz (in 1/3 octave steps)

Band1: 20 Hz~80 Hz (63 Hz)

Band2: 50 Hz~200 Hz (150 Hz)

Band3: 125 Hz~3.2 kHz (400 Hz)

Band4: 315 Hz~8 kHz (1 kHz)

Band5: 800 Hz~20 kHz (2.5 kHz)

4 Rotate the Double Action encoder to select the Frequency, and then press /ENTER.

The frequency is selected, and the level adjustment mode is activated. The selected frequency is displayed in yellow.

5 When the selected band settings are complete, press

BAND.

The next band adjustment screen is displayed.

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Contents IDA-X305 Page Contents Operating Instructions Precautions Display SettingOperating Instructions On Handling USB Memory Double Action Encoder Operation Adjusting Volume Turning Power On and OffSetting the Time and Calendar Getting StartedRadio How to View the DisplayDisplaying the Calendar/Time Press ViewPresetting Stations Automatically Presetting Stations ManuallyTuning to Preset Stations Receiving a Multicast Station HD Radio mode onlyIPhone/iPod Changing the Display HD Radio mode onlyAbout iPhone/iPod usable with this unit Selected program is receivedSearching for a desired Song/Title Playback10-EN To pause playback, pressUp/Down Function Search Position MemorySkip Function/Percent Skip Function/Alphabet Skip Function 11-ENRandom Play Shuffle All Random Play ShuffleRepeat Play Changing the DisplayUSB memory/ Portable audio player/Changer 13-ENChanger CD screen display example if no CD text exists Multi-Changer Selection Optional Selecting a Disc Changer OptionalSelect the desired Folder Folder up/ down MP3/WMA/AAC 14-ENSearching for CD Track Number CD changer only X. Random Play15-EN Press /ENTER during playAbout MP3/WMA/AAC USB memory modeFile/Folder Name Search Concerning MP3/WMA/AAC 16-EN17-EN TerminologySetting the Bass Control Sound SettingSetting the Bass Center Frequency Setting the Bass BandwidthAdjusting the High Pass Filter Setting the Treble ControlPress to return to normal mode Turning Subwoofer ON/OFFPress and hold for 2 seconds to return to normal mode Bluetooth SettingSetting the Bluetooth Connection Bluetooth 20-EN21-EN General Setting22-EN Display SettingHD Radio Setting Only when HD Radio Tuner is connected IPhone/iPod SettingAudio Setting 23-EN24-EN SAT Radio Receiver OptionalReceiving Channels with the SAT Radio Receiver Optional Storing Channel PresetsChecking the SAT Radio ID Number Receiving Stored ChannelsGame Alert Setup Canceling the stored Alert Memory Sirius onlyStoring the desired Song/Artist Sirius only Recalling the stored information Sirius onlySelect the desired Category Category up/down Search FunctionReceiving Weather or Traffic Information from SAT Radio Instant Replay Function Sirius only28-EN Setting the Auxiliary Data Field DisplayAdjusting Sound Setting in Manual Mode Changing MultEQ modeImprint Operation Optional 29-ENEqualizer Presets Factory’s EQ Setting the MX LevelSetting the Subwoofer System Setting the Subwoofer PhaseSetting the Time Correction Unit Setting the Filter typeSound Field Adjustment 31-EN32-EN 33-EN Storing and Recalling the Adjusted ContentsExample 1. Listening Position Front Left Seat About Time CorrectionExample 2. Listening Position All Seats 34-EN3WAY Mode SUBW. ModeAbout the Crossover 35-EN36-EN About ImprintCase of Difficulty Information38-EN 39-EN Indication for CD Changer Indication for SAT Receiver Mode40-EN Specifications41-EN Installation and Connections42-EN InstallationRemove mounting sleeve from the main unit see Removal on Connections section43-EN 44-EN Connections45-EN This Warranty does not cover the following Limited Warranty

iDA-305 specifications

The Alpine iDA-305 is a cutting-edge car audio receiver designed to enhance your in-car entertainment experience. It embodies a sleek design, combining modern aesthetics with powerful technology, making it an ideal choice for avid music lovers and tech enthusiasts alike.

One of the standout features of the iDA-305 is its advanced digital media receiver abilities. Unlike traditional head units, the iDA-305 does not include a CD player, which allows for a compact design, reducing bulk while focusing on comprehensive connectivity options. Users can enjoy their favorite music through various sources, including USB, auxiliary input, and Bluetooth, making it compatible with numerous devices such as smartphones and tablets.

Bluetooth technology is one of the integral components of the iDA-305. It facilitates hands-free calling, allowing drivers to stay connected without losing focus on the road. Additionally, the dual Bluetooth feature enables simultaneous connections to two devices, allowing you to switch between your phone for calls and another for music seamlessly.

The iDA-305 supports high-resolution audio playback, ensuring that your listening experience is nothing short of exceptional. It is compatible with various audio formats, including MP3, AAC, and WMA, giving users the flexibility to enjoy their music in different file types without compromising quality.

The device boasts an intuitive user interface, featuring a vibrant display that can be adjusted for brightness based on ambient lighting, ensuring readability at all times. The responsive controls allow for easy navigation through your music library and settings, making it user-friendly, even while driving.

Sound customization is easily achievable with the Alpine iDA-305. It offers built-in equalizer settings, allowing users to tailor their audio experience according to their preferences. The digital time correction and crossover features enhance the sound quality, providing a more immersive listening experience.

Furthermore, the iDA-305 is designed to integrate seamlessly with various vehicles. Its compact design means it can fit into most dashboards without modification, ensuring a clean and factory-like appearance. The receiver is compatible with steering wheel controls, providing added convenience for users who want to manage their audio without taking their hands off the wheel.

Overall, the Alpine iDA-305 is a versatile and feature-rich car audio receiver. With its focus on digital media, advanced Bluetooth capabilities, intuitive controls, and customizable sound settings, it is tailored for those who demand quality and functionality in their in-car audio systems.
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