USER MANUAL

Introduction

Thank you for selecting this Digital Music Changer. This changer can be easily installed and used. Plug and play, it allows for direct connection to the CD Changer Port, without loss of sound quality. Play music through the car stereo, controlled via radio or steering wheel.

Care and Handling

WARNING: The warnings for the care and handling of the Digital Music Changer are listed below.

• The product only operates on a vehicle with a 12 Volt DC, negative ground system. Do not use it on other voltage systems.
• The product is only fit for vehicles whose Head Unit, either factory-fitted radio or aftermarket car radio, is equipped with a CD changer port.
• Moreover, different solutions of Digital Music Changer would be adopted according to different brands of vehicles or different car radios.

Components

• A Digital Music Changer Module Unit
• B Wire Harness
• C 3.5mm AUX Cable - 1M Length
• D 3.5mm Microphone
• E USB SD card reader
• F User Manual

Illustration showing the Digital Music Changer module (A), wire harness (B), AUX cable (C), microphone (D), USB SD card reader (E), and user manual (F).

Features

1. Double USB Interfaces

Diagram illustrating connection of iPod/MP3/MP4, USB FLASH drive, and iPhone/Android/etc. for charging via the Digital Music Changer.

USB Interface ONE: Play Music.

Support streaming the following audio formats from a USB flash or USB external (USB SD card reader) device:

• MP2/MP3
• WMA
• FLAC (8/16/24 Bit)
• ACC/MP4/M4A
• WAV
• AIF
• AIFC

USB Interface TWO: Charge for iPhones, Androids, iPad & etc. The USB interface can provide a 5V2A output port for iPhones, Androids, iPad, Tablets & other devices.

2. Bluetooth 4.0: Wireless through Bluetooth connection, can play the music, answer/reject the phone call by original car audio or steering wheel button.

Also support A2DP, AVRCP, HFP, SPP, GATT, ATT and multi profiles.

3. AUX Input: Support 3.5mm AUX input, can connect with any external sound resource. Such as cell phone, iPod, Mp3, Mp4...

Installation Diagram

WARNING: Please read the user's guide carefully before installing and using this product. We strongly recommend to outsource the installation to a professional staff.

Diagram showing the back of a car head unit with ports labeled 'Power & Speaker', 'CD Changer Port', 'AV', and 'ANT'. It also shows the Digital Music Changer connected to the 'CD Changer Port', with connections for Microphone, AUX, and USB. An iPod/MP3/MP4 player and a smartphone are shown connected to the USB port.

Installation Guide

1. Turn off your car engine and remove the key from ignition.
2. Unmount the radio from the dash in order to get access to the back side of the radio.
3. Plug this digital CD changer into the car stereo changer port.
4. Insert the USB disk or USB card reader, 3.5mm AUX Cable or establish connection via Bluetooth.
5. Power on the radio when the unit is installed, then press the CD (or Disc/Mode/CDC/Source/AUX) button for once or twice to switch to playback mode of digital music changer, with the indicator light going on.

Music File Saving & Playing Mode:

This digital music changer supports multi-folder playback. In order to enjoy the joy of music, we strongly recommend to format your U Disk (use FAT32 file system) at first. We do not recommend creating subdirectories in the root folder. For example, in the 'Blues' folder, you can put the music files directly, without creating subdirectories.

WARNING: Just take the following figure as a showing example.

The Radio Panel:

Illustration of a car radio panel with buttons for PLAY, CD, MUTE, FM, AM, MENU, AS, and track selection (1-6). The display shows 'PLAY CO2 TRO3'.

The Setting of Storage Device:

Illustration showing a file structure on a storage device (labeled 'E:\'). Folders include 'Blues', 'Classical', 'Country', 'Pop Music', 'Dance Music', and 'Easy Listening'. Each folder contains music files represented by musical note icons, with titles like 'Toccata in d minor', 'Overture to William Tell', 'Requiem', 'The Four Seasons', etc.

Handsfree Calls:

This digital music changer includes a microphone and the possibility to manage your calls through radio/steering wheel buttons, giving you total control over the road while receiving or making calls. The music automatically stops, and the call is audible through the car speakers.

When the phone rings, there are two control methods to Accept:

• With the "previous track" button on the original steering wheel.
• With the "previous track" button on the car radio.

When the phone rings, there are two control methods to Decline:

• With the "next track" button on the original steering wheel.
• With the "next track" button on the car radio.

Illustrations showing steering wheel controls and a car radio display. Arrows indicate that the green button on the steering wheel or radio accepts a call, and the red button declines a call.

The product is compliant with ROHS, FCC, and CE standards.