Mazda CX-9 Owners Manual: Appendix

Things You Need to Know

WARNING

Always adjust the audio while the vehicle is stopped: Do not adjust the audio control switches while driving the vehicle. Adjusting the audio while driving the vehicle is dangerous as it could distract your attention from the vehicle operation which could lead to a serious accident.

Even if the audio control switches are equipped on the steering wheel, learn to use the switches without looking down at them so that you can keep your maximum attention on the road while driving the vehicle.

CAUTION For the purposes of safe driving, adjust the audio volume to a level that allows you to hear sounds outside of the vehicle including car horns and particularly emergency vehicle sirens.

NOTE

  • To prevent the battery from being discharged, do not leave the audio system on for a long period of time when the engine is not running.
  • If a cellular phone or CB radio is used in or near the vehicle, it could cause noise to occur from the audio system, however, this does not indicate that the system has been damaged.

Do not spill any liquid on the audio system.

Appendix

Radio Reception

AM characteristics

AM signals bend around such things as buildings or mountains and bounce off the ionosphere.

Therefore, they can reach longer distances than FM signals.

Because of this, 2 stations may sometimes be picked up on the same frequency at the same time.

Appendix

FM characteristics

An FM broadcast range is usually about 40―50 km (25―30 miles) from the source. Because of extra coding needed to break the sound into 2 channels, stereo FM has even less range than monaural (non-stereo) FM.

Appendix

Signals from an FM transmitter are similar to beams of light because they do not bend around corners, but they do reflect. Unlike AM signals, FM signals cannot travel beyond the horizon. Therefore, FM stations cannot be received at the great distances possible with AM reception.

Appendix

Atmospheric conditions can also affect FM reception. High humidity will cause poor reception. However, cloudy days may provide better reception than clear days.

Multipath noise

Since FM signals can be reflected by obstructions, it is possible to receive both the direct signal and the reflected signal at the same time. This causes a slight delay in reception and may be heard as a broken sound or a distortion. This problem may also be encountered when in close proximity to the transmitter.

Appendix

Flutter/Skip noise

Signals from an FM transmitter move in straight lines and become weak in valleys between tall buildings, mountains, and other obstacles. When a vehicle passes through such an area, the reception conditions may change suddenly, resulting in annoying noise.

Weak signal noise

In suburban areas, broadcast signals become weak because of distance from the transmitter. Reception in such fringe areas is characterized by sound breakup.

Strong signal noise

This occurs very close to a transmitter tower. The broadcast signals are extremely strong, so the result is noise and sound breakup at the radio receiver.

Station drift noise

When a vehicle reaches the area of 2 strong stations broadcasting at similar frequencies, the original station may be temporarily lost and the second station picked up. At this time there will be some noise from this disturbance.

Appendix

Operating Tips for MP3

MP3 stands for MPEG Audio Layer 3, which is standardized voice compression established by the ISO*1 working group (MPEG).

Use of MP3 allows for audio data to be compressed to approximately a tenth of the source data size.

This unit plays files with the extension (.mp3) as MP3 files.

*1 International Organization for Standardization

CAUTION Do not use an audio file extension on files other than audio files. In addition, do not change the audio file extension. Otherwise, the unit will not recognize the file correctly resulting in noise or a malfunction.

NOTE Supply of this product only conveys a license for private, non-commercial use and does not convey a license nor imply any right to use this product in any commercial (i.e. revenue-generating) real time broadcasting (terrestrial, satellite, cable and/or any other media), broadcasting/streaming via the Internet, intranets and/or other networks or in other electronic content distribution systems, such as pay-audio or audio-on-demand applications. An independent license for such use is required. For details, please visit http://www.mp3licensing.com.

  • When naming an MP3 file, be sure to add an MP3 file extension (.mp3) after the file name.
  • The number of characters which can be displayed is restricted.

Operating Tips for WMA

WMA is short for Windows Media*1 Audio and is the audio compression format used by Microsoft*1.

Audio data can be created and stored at a higher compression ratio than MP3.

This unit plays files with the extension (.wma) as WMA files.

*1 Windows Media and Microsoft are registered trademarks of Microsoft Corporation U.S. in the United States and other countries.

CAUTION Do not use an audio file extension on files other than audio files. In addition, do not change the audio file extension. Otherwise, the unit will not recognize the file correctly resulting in noise or a malfunction.

  • WMA files written under specifications other than the indicated specification may not play normally or files or folder names may not display correctly.
  • The file extension may not be provided depending on the computer operating system, version, software, or settings. In this case, add the file extension ".wma" to the end of the file name, and then write it to the memory.

Operating Tips for AAC

AAC stands for Advanced Audio Coding, which is standardized voice compression established by the ISO*1 working group (MPEG). Audio data can be created and stored at a higher compression ratio than MP3.

This unit plays files with the extensions (.aac/.m4a/.wav) as the AAC files.

CAUTION Do not use an audio file extension on files other than audio files. In addition, do not change the audio file extension. Otherwise, the unit will not recognize the file correctly resulting in noise or a malfunction.

  • AAC files written under specifications other than the indicated specification may not play normally or files or folder names may not display correctly.
  • The file extension may not be provided depending on the computer operating system, version, software, or settings. In this case, add the file extension ".aac", ".m4a", or ".wav" to the end of the file name, and then write it to the memory.

*1 International Organization for Standardization

Operating Tips for OGG

OGG is the audio compression format for Xiph. Org Foundation.

Audio data can be created and stored at a higher compression ratio than MP3.

This unit plays files with the extension (.ogg) as OGG files.

CAUTION Do not use an audio file extension on files other than audio files. In addition, do not change the audio file extension. Otherwise, the unit will not recognize the file correctly resulting in noise or a malfunction.

  • OGG files written under specifications other than the indicated specification may not play normally or files or folder names may not display correctly.
  • The file extension may not be provided depending on the computer operating system, version, software, or settings. In this case, add the file extension ".ogg" to the end of the file name, and then write it to the memory

Operating Tips for USB device

This unit plays audio files as follows:

Appendix

CAUTION Do not use an audio file extension on files other than audio files. In addition, do not change the audio file extension. Otherwise, the unit will not recognize the file correctly resulting in noise or a malfunction.

NOTE

  • Playback may not be possible depending on the type and condition of the USB flash memory even if the audio file complies with the standard.
  • A copyright protected WMA/AAC file cannot be played in this unit.
  • If a file name in the USB memory is too long, it could cause operation problems such as not being able to playback the song.

    (Recommended: Within 80 characters)

  • The order of the music data stored in the device may differ from the playback order.
  • To prevent loss or damage of stored data, we recommend that you always back up your data.
  • (Vehicles without USB port indicated with) If a device exceeds the maximum electric current value of 1,000 mA, it may not operate or recharge when connected.
  • (Vehicles with USB port indicated with ) If the current consumption of the connected device exceeds the following current value, it may not operate or recharge.
    • Apple device is connected : 2,100 mA
    • Device compatible with BC1.2 is connected : 1,500 mA
    • Device other than the above is connected : 500 mA
  • Do not pull out the USB device while in the USB mode (only pull it out while in FM/AM radio mode).
  • The device will not operate if the data is password protected.

MP3/WMA/AAC/OGG files written under specifications other than the indicated specification may not play normally or files/folder names may not display correctly.

Agreements and disclaimers related to Apple CarPlay

This unit is compatible with Apple CarPlay which can operate an iPhone using the vehicle's audio device.

* iPhone, Siri and Apple Music are registered trademarks of Apple Inc.

* Apple CarPlay is trademarks of Apple Inc.

* iOS is a trademark or registered trademark of Cisco in the U.S. and other countries and is used under license.

May not be compatible depending on the model or OS version.

CAUTION

  • For the purposes of safety, do not operate your iPhone while driving.
  • Disconnect the iPhone when it is not in use. If the device is left in the cabin, it could be damaged or the battery may deteriorate due to the excessive temperature or humidity inside the cabin.
  • If the iPhone battery has deteriorated, it may not recharge or play audio even if it is connected to this unit.
  • Before use, carefully read the user instructions for the iPhone.

NOTE To prevent loss or damage of stored data, we recommend that you always back up your data.

Operating Tips for Android

Requires the Android Auto app on Google Play and an Android compatible smartphone running Android 5.0 Lollipop or higher.

CAUTION

  • For the purposes of safety, do not operate your Android Smartphone while driving.
  • Disconnect the Android Smartphone when it is not in use. If the device is left in the cabin, it could be damaged or the battery may weaken due to the excessive temperature or humidity inside the cabin.
  • If the Android Smartphone battery has deteriorated, it may not recharge or play audio even if it is connected to this unit.
  • Before use, carefully read the user instructions for the Android Smartphone.

NOTE To prevent loss or damage of stored data, we recommend that you always back up your data.

* Google, Android, Android Auto and other related marks are trademarks of Google LLC.

    Before Using the Audio System

    Interior Equipment

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