Desobry Portable CD Player Model MP111B User Manual

1. Introduction

Thank you for purchasing the Desobry Portable CD Player Model MP111B. This device is designed to provide versatile audio playback from CDs, MP3s, and TF cards, featuring a built-in speaker, FM transmitter, and a rechargeable battery for portability. This manual will guide you through the features and functions to ensure an optimal user experience.

2. Product Overview

2.1 Package Contents

• 1 x Desobry Portable CD Player (Model MP111B)
• 1 x 3.5mm AUX Cable
• 1 x USB Type-C Charging Cable
• 1 x Headphones
• 1 x User Manual (English)

Image: Desobry Portable CD Player with its accessories, including headphones, AUX cable, and USB-C charging cable.

2.2 Device Layout and Controls

Image: Detailed diagram labeling the LCD display, control buttons, and ports of the CD player.

1. LCD Display: Shows track number, time, mode, and FM frequency.
2. A-B Repeat Button: Repeats a selected segment of audio.
3. PROG/FM Button: Enters program playback mode or FM transmitter mode.
4. +10 Skip Button: Skips forward by 10 tracks.
5. MODE Button: Cycles through playback modes (Repeat One, Repeat All, Random, Intro, Normal) and activates TF card mode.
6. EQ Button: Cycles through equalizer sound effects (BBS, Pop, Jazz, Rock, Classic).
7. Previous/Fast Rewind Button: Skips to the previous track or fast rewinds.
8. Play/Pause Button: Starts or pauses playback.
9. Next/Fast Forward Button: Skips to the next track or fast forwards.
10. Stop/Sleep Mode Button: Stops playback and can activate sleep mode.
11. Volume Control (-VOL+): Adjusts the audio volume.
12. Headphone Port 2: Second 3.5mm headphone output.
13. Headphone Port 1: Primary 3.5mm headphone output, supports wired control.
14. Power Switch (OFF/ON): Turns the device on or off.
15. LED Power Light: Indicates power status.
16. USB Power Port (DC 5V): For charging the device.
17. TF Card Port: Slot for inserting a TF (Micro SD) card.
18. OPEN (Lid On/Off): Opens the CD compartment lid.
19. HOLD Switch (OFF/ON): Locks/unlocks buttons to prevent accidental presses.

3. Setup

3.1 Powering On and Charging

The Desobry CD player features a built-in 2000mAh rechargeable battery. Before first use, fully charge the device.

• Connect the supplied USB Type-C charging cable to the USB Power Port (DC 5V) on the player.
• Connect the other end of the cable to a 5V/1A AC adapter, mobile power bank, PC/laptop, or car charger.
• The LED Power Light will indicate charging status. A full charge typically takes 3-4 hours.
• Once fully charged, the player can provide 7-8 hours of continuous playback (note: FM mode may reduce battery life).

Image: Illustration of the CD player connected to a power source for charging.

3.2 Inserting a CD

1. Slide the OPEN switch to open the CD compartment lid.
2. Carefully place a CD (CD, CD-R, CD-RW, MP3 disc) onto the spindle, ensuring it clicks into place.
3. Close the CD compartment lid firmly until it latches.

3.3 Inserting a TF Card

The player supports TF (Micro SD) cards up to 32GB, formatted as FAT32. It does not support 64GB or larger cards, or other file systems. Supported audio formats are MP3/WMA.

1. Ensure the power is ON.
2. Insert a FAT32 formatted TF card into the TF Card Port until it clicks.
3. Press and hold the 'MODE' button for 3 seconds to enter TF card mode. The LCD will display "SD".
4. To exit TF card mode, press and hold the 'MODE' button for 3 seconds again.

Image: Close-up of the TF card slot and headphone jack on the side of the CD player.

4. Operating Instructions

4.1 Basic Playback

• Play/Pause: Press the Play/Pause button to start or pause playback.
• Next/Previous Track: Press the Next or Previous buttons to skip tracks.
• Fast Forward/Rewind: Press and hold the Next or Previous buttons to fast forward or rewind.
• Volume Adjustment: Use the -VOL+ slider on the side to adjust the volume.
• Stop: Press the Stop button to end playback.

4.2 Playback Modes

Press the MODE button repeatedly to cycle through the following playback modes:

• Repeat One (REP1): Repeats the current track.
• Repeat All (ALL): Repeats all tracks on the disc/card.
• Random (SHUF): Plays tracks in a random order.
• Intro: Plays the first 10 seconds of each track.
• Normal: Plays tracks in sequential order.
• Program Play (PROG): Allows you to program up to 20 tracks in a desired order. To set: in stop mode, press PROG, select tracks using Next/Previous, then press PROG again to confirm each track. Press Play to start programmed playback.

4.3 EQ Settings

Press the EQ button repeatedly to cycle through five equalizer sound effects:

• BBS (Bass Boost System)
• Pop
• Jazz
• Rock
• Classic

4.4 FM Transmitter Function

The player can transmit audio to an FM radio, such as a car stereo. Supported frequencies are 79.3MHz, 88.5MHz, 93.6MHz, 103.0MHz, and 107.1MHz. Note: This device transmits FM signals; it does not receive FM radio broadcasts.

1. While playing a CD or TF card, press the PROG/FM button to activate FM transmitter mode. The LCD will display an FM frequency.
2. Press the PROG/FM button repeatedly to cycle through the available FM frequencies (79.3, 88.5, 93.6, 103.0, 107.1 MHz).
3. Tune your car radio or other FM receiver to the exact same frequency displayed on the CD player.
4. To turn off the FM transmitter, press the PROG/FM button repeatedly until "FMOFF" is displayed on the screen.

Image: Visual guide illustrating how to connect the CD player to a car stereo using either the FM transmitter function or an AUX cable.

4.5 AUX Output

Use the provided 3.5mm AUX cable to connect the CD player to external speakers, home theater systems, or car audio systems that have a standard 3.5mm AUX input. This allows for high-fidelity audio playback through your preferred sound system.

4.6 HOLD Function

To prevent accidental button presses during transport or active use, slide the HOLD switch to the ON position. This will disable all buttons. To resume normal operation, slide the HOLD switch back to OFF.

4.7 Dual Headphone Jacks

The player is equipped with two 3.5mm headphone jacks, allowing two users to listen simultaneously. Headphone Port 1 supports wired control functionality (e.g., play/pause, skip tracks) if your headphones are equipped with such features.

Image: The CD player highlighting its dual headphone ports and the 'HOLD' switch for preventing accidental operations.

5. Special Features

5.1 Anti-Skip Protection (ASP)

The device incorporates Anti-Skip Protection to ensure smooth playback even during minor shocks or vibrations. It provides approximately 100 seconds of skip protection for CD audio and 180 seconds for MP3 discs.

5.2 Resume Playback

The player remembers the last playback position. If you stop playback and turn off the device, it will resume from where it left off when powered on again.

5.3 +10 Skip Function

For quick navigation through longer albums or audiobooks, press the +10 button to skip forward by 10 tracks.

5.4 A-B Repeat

This function is particularly useful for language learning. Press the A-B button at the start point (A) and again at the end point (B) of a desired segment. The player will repeatedly play this segment.

Image: The CD player highlighting its language learning features, including A-B repeat, +10 skip, resume function, and program playback.

6. Maintenance

• Keep the device clean by wiping it with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
• Handle CDs by their edges to prevent fingerprints and scratches. Store them in their cases when not in use.
• Ensure the CD compartment is closed when not in use to prevent dust accumulation.
• Do not expose the device to extreme temperatures, direct sunlight, or high humidity.

7. Troubleshooting

8. Specifications

9. Safety Information

• Do not disassemble, repair, or modify the device yourself. This may cause damage, electric shock, or fire.
• Keep the device away from water, moisture, and high temperatures.
• Avoid dropping or subjecting the device to strong impacts.
• Do not use the device while driving if it distracts you from operating the vehicle safely.
• Prolonged listening at high volume levels can cause hearing damage. Adjust volume to a safe level.

10. Warranty and Support

Desobry provides a 1-year warranty and after-sales service for this product. If you encounter any issues or have questions, please contact our customer support team for assistance. We are committed to ensuring your satisfaction.