CMM-20 - Radio CLARION - Free user manual and instructions
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| Product Type | Car Radio Receiver |
| Brand | Clarion |
| Model | CMM-20 |
| Dimensions (W x H x D) | 178 x 50 x 160 mm (approx.) |
| Weight | 0.6 kg (approx.) |
| Power Supply | 12V DC (negative ground) |
| Fuse Rating | 10A |
| Radio Bands | AM, FM (87.5-108 MHz) |
| Preset Stations | 24 (18 FM, 6 AM) |
| Audio Output Power | 20W x 4 (max) |
| Supported Media | CD, CD-R, CD-RW |
| Connections | Front AUX, USB |
| Display Type | LCD with backlight |
| Remote Control | Optional (sold separately) |
| Faceplate | Detachable (removable for theft protection) |
| Operating Temperature | -10°C to 60°C |
| Installation Size | Single DIN |
| Maintenance | Clean with soft dry cloth; avoid liquids |
| Safety Precautions | Disconnect battery before installation; use correct fuse |
| Spare Parts & Repairability | Contact factory authorized service center |
| General Information | Designed for marine and automotive use |
Frequently Asked Questions - CMM-20 CLARION
Can I install the CMM-20 in a boat?
Yes, the CMM-20 is designed for marine environments with UV-resistant faceplate and corrosion protection.
Does this radio support Bluetooth?
No, the CMM-20 does not have built-in Bluetooth. It supports AUX and USB input for external devices.
How do I reset the radio?
Press the Reset button with a pointed object (e.g., paperclip) for 2 seconds. This clears presets and settings.
What is the maximum USB drive capacity?
The USB port supports drives up to 32GB formatted in FAT32.
How do I remove the faceplate?
Press the Release button on the front panel and slide the faceplate upward. Store it in the provided case.
Can I connect a subwoofer?
Yes, the CMM-20 has a RCA subwoofer output (2V pre-out). Requires an external amplifier.
Why does the radio turn off while driving?
Check the 12V power connection and ensure the fuse is intact. Loose wiring or a faulty ignition switch may cause intermittent power loss.
How do I set the clock?
Press and hold the DISP button for 3 seconds, then use the TUNE knob to adjust hours/minutes. Press DISP again to confirm.
What is the warranty period?
Standard Clarion warranty is 1 year for defects in materials and workmanship. Check your region for specific terms.
Can I use the radio with a right-hand drive car?
Yes, the CMM-20 has a user-reversible display (setting in the system menu) for left or right orientation.
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USER MANUAL CMM-20 CLARION
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Product information
Brand : CLARION
Model : CMM-20
Category : Radio