MMD-696U - Car Radio Mystery - Free user manual and instructions
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| Product Type | Car Radio / Multimedia Receiver |
| Brand | Mystery |
| Model | MMD-696U |
| Chassis Size | Single DIN (178 x 50 mm) |
| Depth | 165 mm |
| Weight | 0.9 kg |
| Power Supply | DC 12V, negative ground |
| Max Power Output | 4 x 50 Watts |
| Tuner FM | 87.5 - 108 MHz |
| Tuner AM | 530 - 1710 kHz |
| Media Playback | USB, SD card, AUX input |
| Bluetooth | Hands-free calls and audio streaming |
| Display | LCD with blue backlight |
| Equalizer | Preset EQ (Rock, Pop, Classic, Flat) and custom |
| Detachable Faceplate | Yes, theft protection |
| Remote Control | Included |
| Installation | ISO connector, standard cage |
| Operating Temperature | -10°C to +60°C |
| Cleaning and Maintenance | Wipe with soft dry cloth; avoid solvents |
| Repair and Spare Parts | Only qualified technicians; use original parts |
Frequently Asked Questions - MMD-696U Mystery
How do I reset the MMD-696U car radio?
To reset the device, press the "RST" button located on the front panel using a pin or a pen tip. This restores factory settings and clears most audio, tuner and Bluetooth settings.
How can I connect my smartphone via Bluetooth?
Enable Bluetooth on your phone, then press the MODE button to select Bluetooth mode. Search for the device named "MMD-696U" and pair. For calls, verify that the hands-free profile is supported and the radio shows the phone icon.
How do I set the clock on the radio?
Press and hold the CLK button (or the SEL knob) for a few seconds. Use the volume knob to adjust hours, press to confirm, then adjust minutes. The new time will be saved automatically. Refer to the clock settings section for details.
How to improve FM radio reception on the MMD-696U?
Ensure the antenna cable is firmly connected to the ISO antenna plug. Avoid installing the radio near metal objects. If reception is weak, consider an amplified or powered antenna, and activate the LOC (local/distance) or MonAudi setting if available.
Is the faceplate detachable? How do I remove it?
Yes, the MMD-696U has a detachable faceplate. Press the RELEASE button on the top or side of the panel, then pull the panel away from the unit. Store it in the supplied protective case when not in use.
What USB drives are supported?
The USB port supports FAT32 formatted drives up to 32GB. The device recognizes MP3, WMA, and WAV files. Use a drive with a current consumption below 500mA to avoid playback issues.
How do I adjust sound settings and equalizer?
Press the SEL (select) button repeatedly to cycle through BAS (bass), TRE (treble), BAL (balance), FAD (fader), and EQ. Rotate the volume knob to adjust each value. For the preset equalizer, press the EQ button to choose from Rock, Pop, Classic, Flat or Custom.
What should I do if there is no sound from the speakers?
First check the speaker wiring and ensure all connections are correct. Verify that the volume is not at minimum and the mute function is off. Test the fader and balance settings to rule out a channel imbalance. If still silent, check the radio fuse and the vehicle's speaker output.
How do I clean the car radio?
Turn off the device and wipe the front panel with a soft, dry microfiber cloth. Do not use alcohol, ammonia, or abrasive cleaners. For stubborn dirt, lightly dampen the cloth with water and wring it well before wiping.
Can I install the MMD-696U myself?
Yes, the radio fits a standard single-DIN dashboard with an ISO connector. If your vehicle has an older or proprietary harness, you may need an adapter. Use the supplied mounting cage and screws. For complex wiring, consult a professional car audio installer.
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USER MANUAL MMD-696U Mystery
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Product information
Brand : Mystery
Model : MMD-696U
Category : Car Radio