PORTABLE CD PLAYER
MODEL:MD-702
User Manual
IMPORTANT SAFETY INSTRUCTIONS
Please read this manual carefully before using this player and keep it for later reference.
Warning: The player
- Never touch the lens of the device. Always keep the disc compartment closed to prevent dust from collecting on the lens.
- If the device is unable to scan discs properly, use a standard commercially available cleaner to clean the laser optics. Other cleaning methods may damage the laser optics.
- Clean the device with a clean, damp leather cloth. Do not use any cleaning agents.
- If the player fails to work, please contact MONODEAL after-sales staff in time; professional technical support staff will provide detailed answers.
- The player cannot be used or stored in a moist environment; please keep the player away from any liquid, steam or vapor, such as rain drops or mist.
- Please do not place any liquid or metal gadgets onto the player, such as a pin or a cup of coffee.
- Please do not expose the player to sunlight and keep it away from fire heaters. The player cannot be placed under high temperature environments.
- Only professionals with extensive electronic knowledge and maintenance experience are allowed to disassemble the player for maintenance. The replacement of spare parts must be done in strict accordance with the parameters of the circuit design.
- Please do not stick or hit the player with sharp objects.
- There are light emitting diodes in this player; staring directly with eyes should be avoided to prevent visual impairment.
- Children under 12 years old are not allowed to use the player individually.
- When charging, ensure that the Power source and the Charging voltage are DC 5V/1A. Excessive voltage input may cause machine overload damage.
Battery
If the player you purchased contains batteries, please do not disassemble the player or charge the player with other adapters that do not meet the electrical parameters of this product to avoid circuit failure. For your safety, please treat the built-in high-capacity polymer lithium battery by following the instructions below:
- Please do not remove the battery pack.
- Please do not beat or impact this player.
- Please do not short circuit or pierce the battery.
- Please do not place the player under high temperature which is above 140°F (60°C).
- Please do not put the battery in a fire.
- If the battery has been damaged, please ask a professional to replace the battery with the same specification, or contact MONODEAL after-sales support for help.
Hearing protection
Listen at medium volume:
Please adjust the volume to an appropriate level. If the volume is too high, it may damage your hearing or even cause permanent damage.
Set the volume to a low level:
Increasing the volume slowly, until a comfortable, clear sound can be heard.
Listen to the audio within a reasonable time frame:
Long time listening, even at a reasonable volume may cause damage to your hearing. Please use the product properly and get a rest when necessary.
Environmental protection
To protect the environment and human health, please follow local laws and regulations on the abandonment of the package, electronic product or battery. Please do not put the product together with household waste.
PACKAGING & PRODUCT
What's in the box
| Item | Description |
| 1*CD player | 1*3.5 to 3.5mm AUX cable |
| 1*USB to Type-C charging cable | 1*User manual |
| 1*Earphones |
The CD player
The CD player features the following components:
- Display screen (Item 1)
- Control Buttons: Bluetooth (Item 2), MODE (Item 3), Previous/Rewind (Item 4), Stop (Item 5), EQ/REC. (Item 6), Play/Pause (Item 7), PROG (Item 8), Next/Fast forward (Item 9), A-B (Item 10).
- Side Ports/Controls: DC 5V input (Item 11), Charging LED (Item 12), Power ON/OFF switch (Item 13), Headphone jack 1 & jack 2 (Item 14), Volume knob (Item 15), OPEN button (Item 16).
- Bottom Controls: TF CARD slot (Item 17), HOLD ON/OFF switch (Item 18).
TROUBLESHOOTING
| Problems | Reasons | Solutions |
| Cannot be turned on. | Switch is not turned on. HOLD is turned on. The battery is exhausted. The player is damaged. | Please turn the OFF/ON button on the side to ON. Please turn the HOLD button on the side to ON. Charge the battery. Please contact MONODEAL or ask a professional for repairs. |
| Cannot read discs. | The disc is installed incorrectly. The disc cannot be recognized. The disc is dirty or damaged. The loader is dirty. | 1. Make sure the label side of the disc is facing up. 2. Ensure the disc is inserted fully into the place. The player is only compatible with CD, CDR, MP3, HDCD formats. 1. Make sure the disc is not heavily scratched or damaged. 2. Wipe the disc gently from the center radially out to the edge with a clean & soft cloth. 3. Try another new disc to check if the disc is faulty. Wipe the lens gently with a degreasing cotton swab. NOTE: DO NOT TOUCH THE LENS WITH YOUR HANDS. |
| Cannot charge battery. | There is no current at power outlet. The plug is not plugged in correctly. The charger is damaged. | Make sure the power outlet is working. Make sure that the two plugs of the power cords are connected properly. Replace the charger with another one matching the specification (DC 5V/1A). |
| Automatically skips part of the contents of disc. | The player is damaged. The player has MODE function (Repeat, Repeat all, Random play, Preview play). Preview play means that only 10 s per track will be played. Usage time of the disk may be too long, so the disk is not smooth. | Please contact MONODEAL or ask a professional for repairs. NOTE: While charging, please make sure that the Power source and the Charging voltage are DC 5V/1A. Excessive voltage input may cause machine overload damage. Please ensure the Preview play MODE is off. 1. Make sure the disc is not heavily scratched or damaged. 2. Wipe the disc gently from the center radially out to the edge with a clean & soft cloth. 3. Try another new disc to check if the disc is faulty. |
| Noisy and screaming when it plays. | If there is a "Jiji" sound inside the earphone, it may be caused by scratching of the disc. | Please change to another disc, and do not use the old one again to prevent the player from damage. |
USER GUIDE
How to insert a disc
Push the OPEN button [▶OPEN] to the right to open the door. Insert your index finger into the center hole of the disc and take the edge of the disc with your thumb. Keep the side with words upward while inserting the disc into the CD player. Press the disc gently to make it steady, and make sure if the disc has been in place. Close the disc door gently and completely, otherwise the player will not read the disc.
Keep pressing the MODE button [MODE] for 2 seconds to switch to TF card.
(Note: The player is only compatible with CD, CDR, MP3, HDCD formats.)
Insert an earphone
Only earphones with a 3.5mm plug are compatible with this player.
(Note: Only earphones with a [?] symbol support headset control.)
How to turn on the player
The power switch [POWER OFF/ON] is located on the side. Please toggle it to the ON position to play normally. When a disc is played to the end or there is no disc, the player will enter a standby mode after 20 seconds. Please press the PLAY button [▶II] again to restart the player.
How to turn off the player
There are two ways to turn off the player:
- Please toggle the power switch [POWER OFF/ON] to the OFF position if the player will no longer be used for a long time.
- The player will enter a standby mode by pressing the STOP button [■] twice in succession. However, at this time, the power of the player is not completely disconnected.
Note: Please turn the power switch to OFF position if the player will no longer be used for a long time.
How to charge for the player
How to choose a charger: This product is only equipped with one charging cable. You can choose any charger that supports USB2.0 protocol or a standard USB charger of a cellphone running in Android or iOS system to charge for the player.
Charging time: It will take around 4 hours to fully charge the player according to the standard USB2.0 protocol. When the battery is being charged, the LED indicator is red. Once the player is fully charged, the LED indicator will turn green.
PLAY
How to setup the circle mode
Press the MODE button [MODE] to change the playback mode between: 1 (repeat track) / A (repeat album) / RND (shuffle) / INT (intro preview) / NOR (normal mode). In TF card mode, you also have the additional mode: F (repeat folder).
How to program the play
Press the STOP button [■] first, then press the PROG button [PROG] to enter the programming mode. When the play stops, press the PREVIOUS [◀◀] or NEXT [▶▶] button to select the track you want to program, then press PROG [PROG] again to confirm the programming. Up to 30 tracks can be programmed in this mode. After that, press the PLAY button [▶II] to enter the programming play mode. Press the STOP button [■] directly to enter the stop mode to cancel or reprogram.
A-B
If you want to repeat a specific part of a track, when the player is playing that part, please press the A-B button [A-B] one time; the display will show "A-". Then, when it plays to the end of that part, press the A-B button [A-B] once again; the display will show "A-B". After that, the player will only repeat that specific part.
NOTE: If you want to stop repeating that part, just press the A-B button [A-B] once again; "A-B" will disappear on the display, and it will play in order.
How to setup sound
How to adjust volume
The volume knob [VOL +/-] is located on the side of the player. Rotate it to the left or right to decrease or increase the volume. Please listen to music at an appropriate volume to protect your ears.
How to setup EQ effect
Press the EQ/REC. button [EQ/REC.] to change the different sound effects. There are a total of 7 sound effects: NOR, BBS, POP, ROC, JAZZ, CLAS, COV.
RECORDING FUNCTION (TO TF)
Press and hold the EQ/REC. button [EQ/REC.] to start the recording function. Press and hold the button again to complete the recording.
Note: If no TF card is installed, it will prompt "No device".
DELETING FUNCTION (FROM TF CARD)
When playing a TF card, long press the PLAY/PAUSE button [▶II] for about 3 seconds, and it will display the songs list on the TF card. Long press the PROG button [PROG] for about 3 seconds; it will display whether you want to delete or not.
How to connect Bluetooth devices
- Turn on your Bluetooth headphone/speaker and make sure that the Bluetooth is turned on.
- Press the Bluetooth button [BT] of the player. If the Bluetooth is off, you need to press the PLAY button [▶II] to turn on the Bluetooth.
- Select "BT Search" option, then press the PLAY button [▶II]; the CD player will start searching nearby Bluetooth devices.
- Press the PLAY button [▶II] to select the name of your device that needs to connect to.
- After pairing successfully, press the BLUETOOTH button [BT] to return to the play interface.
Tip: Cannot find Bluetooth? Please disconnect with other paired devices first, such as a cellphone.
OTHER FEATURES
Time setting of screen sleep
The screen will be turned off after 10 seconds of inactivity. The screen will be turned on when any button is pressed.
Key lock
After playback mode and sound effects have been set up, you can toggle the power switch to the HOLD position [HOLD OFF/ON] in order to prevent accidental changes in environments with, for example, children or crowded occasions.
Connect to AUX devices
In order to use this player in different occasions, an extra AUX cable has been supplied to connect this player to any device with an AUX interface conveniently, such as: home theater, music center, Bluetooth speakers, vehicles, headphone amplifiers, and more.
