MONODEAL Portable CD Player User Manual

Introduction

This user manual provides detailed instructions for operating your MONODEAL Portable CD Player (Model MD-109). Designed for versatile use, this rechargeable CD player features built-in stereo speakers, anti-skip protection, and support for various audio formats, making it ideal for personal listening, car use, and educational purposes.

What's in the Box

• MONODEAL Portable CD Player (MD-109)
• Earphones
• 3.5mm Audio Cable (AUX cable)
• USB Charging Cable
• Carry Bag

Figure 1: Included accessories with the MONODEAL Portable CD Player.

Product Overview

Figure 2: Front and side views of the CD player with labeled components.

1. Playback Options (MODE): Select different playback modes (e.g., Play in order, Repeat, Shuffle).
2. Resume Button (PROG): Resumes playback from where it was last stopped.
3. Sound Effects Options (EQ): Adjust equalizer settings (BBS, Pop, Jazz, Rock, Classic).
4. Select Playlist (DIR): Used in MP3 mode to select directories.
5. Power Off (STOP): Stops playback and powers off the device.
6. Power On/Pause (PLAY/PAUSE): Powers on the device or pauses/resumes playback.
7. Next/Fast Forward: Skips to the next track or fast forwards within a track.
8. Previous/Backward: Skips to the previous track or rewinds within a track.
9. A-B Repetition: Repeats a specific segment of audio.
10. Open CD: Slide to open the CD compartment.
11. Lock Switch (HOLD): Locks all buttons to prevent accidental operation.
12. Volume Button (+VOL-): Adjusts the volume level.
13. Earphone Plug: 3.5mm audio output for headphones.
14. Charging Indicator: LED light indicating charging status.
15. Charging Port: Micro USB port for charging.
16. Power Switch: Main power ON/OFF switch.
17. TF Card Slot: Insert a Micro SD card for MP3 playback.

Setup

Charging the Battery

The MONODEAL CD player features a built-in 1400 mAh rechargeable lithium battery, providing up to 15 hours of playback on a full charge. Before first use, fully charge the device.

• Connect the supplied USB charging cable to the Charging Port (15) on the player.
• Connect the other end of the USB cable to a compatible USB power source (e.g., wall charger, power bank, laptop, car charger).
• The Charging Indicator (14) will illuminate during charging and turn off when fully charged.

Figure 3: Charging options for the portable CD player.

Inserting a CD

1. Ensure the Power Switch (16) is in the "ON" position.
2. Slide the "OPEN" switch (10) to open the CD compartment cover.
3. Carefully place a CD (CD, CD-R, CD-RW, MP3, HDCD disc) onto the spindle with the label side facing up.
4. Gently press the center of the CD until it clicks into place.
5. Close the CD compartment cover firmly until it latches.

Inserting a TF Card (Micro SD Card)

The player supports TF cards for MP3 music playback.

• Locate the TF Card Slot (17) on the side of the player.
• Insert a TF card (not included) with MP3 music files into the slot until it clicks.
• The player will automatically switch to TF card mode if a card is inserted.

Figure 4: TF Card Slot location.

Connecting Headphones or External Speakers

• For private listening, plug the included earphones or your preferred 3.5mm headphones into the Earphone Plug (13).
• To connect to external speakers, use the supplied 3.5mm Audio Cable (AUX cable) to connect the Earphone Plug (13) on the CD player to the AUX input of your external speaker system.
• The player also features built-in stereo speakers for direct listening without external devices.

Operating Instructions

Basic Playback

• Power On: Slide the Power Switch (16) to "ON". The LCD display will light up.
• Play/Pause: Press the PLAY/PAUSE button (6) to start or pause playback.
• Stop: Press the STOP button (5) to stop playback. Pressing it again will power off the device.
• Next Track: Press the Next/Fast Forward button (7) to skip to the next track.
• Previous Track: Press the Previous/Backward button (8) to skip to the previous track.
• Fast Forward/Rewind: Press and hold the Next/Fast Forward button (7) or Previous/Backward button (8) to fast forward or rewind within a track.
• Volume Control: Use the Volume Button (+VOL-) (12) on the side of the player to adjust the volume.

Figure 5: Control buttons on the CD player.

Playback Modes (MODE Button)

Press the MODE button (1) repeatedly to cycle through the following playback options:

• Play in order: Plays tracks sequentially.
• Repeat a track: Repeats the current track.
• Repeat all: Repeats all tracks on the disc/TF card.
• Intro: Plays the first 10 seconds of each track.
• Shuffle (Shuf): Plays tracks in a random order.

Figure 6: Available playback modes.

Equalizer Settings (EQ Button)

Press the EQ button (3) to select different sound effects:

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

A-B Repeat Function

This function allows you to repeat a specific segment of audio, useful for language learning or studying.

1. During playback, press the A-B button (9) once to set the starting point (A).
2. Press the A-B button (9) again to set the ending point (B). The player will then repeatedly play the segment between A and B.
3. Press the A-B button (9) a third time to cancel the A-B repeat function.

Resume Function (PROG Button)

The player has a resume function that allows it to start from the track where you last stopped. This is automatically enabled.

Anti-Skip Protection (ASP)

The advanced anti-skip and anti-shock technology ensures continuous playback even during movement or on bumpy surfaces, making it suitable for exercising or driving.

Figure 7: Larger LCD display and Anti-Skip Protection (ASP) feature.

Car Use

This portable CD player can be used in a car via the car's 3.5mm AUX port. Note: It only works with a 3.5mm AUX port and does not support USB, Type-C, or Bluetooth connections for car audio.

• Connect one end of the 3.5mm Audio Cable (AUX cable) to the Earphone Plug (13).
• Connect the other end of the AUX cable to your car's 3.5mm AUX input port.
• Select the AUX input on your car's audio system to play music from the CD player through your car speakers.

Figure 8: Connecting the CD player to a car's AUX port.

Maintenance

Cleaning the CD Player

• Use a soft, dry cloth to clean the exterior of the player.
• For the lens inside the CD compartment, use a specialized CD lens cleaning kit. Do not touch the lens directly.
• Avoid using abrasive cleaners or solvents.

Battery Care

• To prolong battery life, avoid fully discharging the battery frequently.
• If storing the player for an extended period, charge it to about 50% every few months.
• Do not expose the player to extreme temperatures.

Troubleshooting

Specifications

• Brand: MONODEAL
• Model Name: MD-109
• Product Dimensions: 5.5 x 5.5 x 1.1 inches
• Item Weight: 8 ounces
• Color: Black
• Connectivity Technology: Auxiliary
• Special Features: Portable, Rechargeable, Built-in Speakers, Anti-Skip, TF Card Support, Resume Function, A-B Repeat
• Battery: Built-in 1400 mAh Lithium Battery
• Playback Time: Up to 15 hours (approx.)
• Supported Disc Formats: CD, CD-R, CD-RW, MP3, HDCD

Official Product Videos

Warranty and Support

For warranty information or technical support, please refer to the contact details provided on the product packaging or visit the official MONODEAL website. Keep your purchase receipt for warranty claims.