Kenwood KMR M318BT Manual

The Kenwood KMR M318BT is a digital media receiver with Bluetooth connectivity, USB input, AM/FM tuner, and compatibility with various audio formats. Features include hands-free calling, audio streaming, front panel AUX input, and customizable audio settings. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Bluetooth Operation 8. USB Playback 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Digital media receiver, Bluetooth connectivity, USB port, AM/FM tuner, front panel controls, remote control capability.

Feature	Description
Bluetooth	Wireless audio streaming and hands-free calling
USB Input	For USB devices and charging
AM/FM Tuner	Preset stations with RDS capability
Front AUX Input	3.5mm auxiliary input for external devices
Power Output	50W x 4 channels maximum
Display	Dot matrix display with adjustable illumination
EQ Settings	Built-in equalizer with preset sound profiles
Steering Wheel Control	Compatible with steering wheel remote interfaces
Audio Formats	MP3, WMA, AAC playback support
Phone Compatibility	Works with iOS and Android devices

Installation

Unpack and inspect contents. Ensure proper vehicle compatibility.

Disconnect vehicle battery: Remove negative terminal for safety.
Remove existing radio: Use appropriate removal tools for your vehicle.
Connect wiring harness: Match colors and functions carefully.
Mount receiver: Secure in dashboard using supplied brackets.
Connect antenna and test: Reconnect battery and test all functions.

WARNING! Professional installation recommended. Incorrect installation may damage vehicle electronics.

First-Time Setup

Power on unit; follow initial setup procedure.

Bluetooth pairing: Enter pairing mode and connect your smartphone.
Radio presets: Scan and save favorite AM/FM stations.
Audio settings: Adjust EQ, balance, and fader to preference.
Display settings: Set illumination color and dimmer function.
Phone settings: Configure contacts and call preferences.

CAUTION! Do not operate while driving. Park vehicle during setup.

Specifications

Power Output: 50W x 4 (Max), 22W x 4 (RMS)
Bluetooth Version: 3.0 + EDR
USB Support: USB 2.0, up to 32GB
Tuner Sensitivity: FM 10.8 dBf, AM 27 dBμ
Frequency Response: 20Hz - 20kHz
Signal-to-Noise Ratio: >80 dB
Operating Voltage: 14.4V DC (11-16V allowable)
Dimensions: 178mm x 50mm x 159mm
Supported Formats: MP3, WMA, AAC
Phonebook Capacity: Up to 1000 contacts

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE button, FUNCTION button, BAND button, PHONE button.

Remote Control: POWER, VOLUME, SOURCE, TRACK UP/DOWN, BAND, MUTE, PHONE.

Audio Settings: EQ (FLAT, POP, ROCK, JAZZ, CUSTOM), Bass/Mid/Treble, Loudness, Balance/Fader. Bluetooth Settings: Pairing, Auto Connection, Phonebook Transfer. System Settings: Display Color, Dimmer, Beep Tone, Language, Reset.

Connecting Devices

USB: Connect USB device directly to port. Bluetooth: Pair compatible devices. AUX: Use 3.5mm cable for external audio sources.

Turn off vehicle ignition before connecting devices.
For USB: Format device as FAT32 for best compatibility.
For Bluetooth: Enable pairing mode on both devices.
For AUX: Use quality cable to minimize interference.

Tip: Keep USB devices under 32GB capacity for optimal performance.

Bluetooth Operation

Supports hands-free calling and audio streaming.

Pairing: Press PHONE button, select "Pairing" on display.
Calling: Use phonebook access or dial manually.
Audio streaming: Select BT AUDIO as source.
Multi-pairing: Supports up to 5 paired devices.
Call management: Answer/end calls with PHONE button.
Voice dialing: Supports Siri/Google Assistant activation.

WARNING! Focus on driving while using hands-free features.

USB Playback

Supports MP3, WMA, AAC audio files from USB storage.

Insert USB: Connect device to USB port.
Play: Automatically detects and begins playback.
Navigation: Use TRACK buttons for folder/track selection.
Repeat/Shuffle: Access through FUNCTION menu.
File structure: Supports folder-based organization.
Charging: Charges connected smartphones (5V/1A).

Note: Some DRM-protected files may not play.

Care & Maintenance

Use soft, dry cloth for cleaning. Avoid chemical cleaners. Keep USB port free of debris.

CAUTION! Do not use abrasive materials. Avoid moisture exposure.

Regulatory Information

FCC Part 15: Class B digital device compliant. Bluetooth qualified design. CE marked for European compliance. Copyright © Kenwood Corporation. For support, visit www.kenwood.com or contact authorized service centers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/ignition	Check power connections; verify ignition wire connection.
Bluetooth not connecting	Pairing mode/distance	Enable pairing mode; ensure within 3 feet during pairing.
USB not recognized	Format/capacity	Reformat as FAT32; use device under 32GB capacity.
Poor radio reception	Antenna connection	Check antenna connection; ensure proper grounding.
No sound	Mute/speaker connections	Check mute function; verify speaker wire connections.
Display dim	Dimmer setting	Adjust dimmer setting in system menu.

Reset: Hold SOURCE button for 5 seconds to reset unit.

Service: Contact authorized Kenwood service center for repairs.