Kenwood KMR M315BT Manual

The Kenwood KMR M315BT is a single-DIN digital media receiver with Bluetooth connectivity, USB input, AM/FM tuner, and compatibility with various audio formats. Features include hands-free calling, audio streaming, remote control capability, 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 Pairing 8. Audio Settings 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Digital media receiver, Remote Control, USB port, Bluetooth connectivity, AM/FM tuner, Audio inputs/outputs.

Feature	Description
Bluetooth connectivity	For hands-free calling and audio streaming
USB port	For connecting USB devices and charging
AM/FM tuner	For radio reception with preset stations
Audio inputs	RCA inputs for external audio sources
Remote control	Infrared remote for convenient operation
Power output	50W x 4 channels maximum power
Display	LCD display with adjustable illumination
EQ settings	Built-in equalizer with multiple presets
Source selection	Multiple source inputs (USB, BT, AM/FM, AUX)
Power antenna control	Automatic antenna power control

Installation

Unpack and inspect contents. Ensure proper vehicle compatibility.

Disconnect vehicle battery: Remove negative terminal for safety.
Remove existing stereo: Use appropriate removal tools for your vehicle.
Connect wiring harness: Match color-coded wires following wiring diagram.
Mount unit: Secure in dashboard using mounting sleeve and brackets.
Reconnect battery and test functions.

WARNING! Always disconnect vehicle battery before installation to prevent electrical shorts.

First-Time Setup

Power on unit; follow initial setup procedure.

Language selection: Choose preferred language in settings menu.
Bluetooth pairing: Pair your mobile device for hands-free operation.
Radio presets: Scan and save favorite AM/FM stations.
Audio settings: Adjust EQ, balance, and fader to preference.
Display settings: Set illumination color and brightness.

CAUTION! Ensure proper wiring connections to avoid electrical issues.

Specifications

Chassis Size: Single-DIN
Power Output: 50W x 4 (Max), 22W x 4 (RMS)
Bluetooth Version: 4.1 with A2DP, AVRCP, HFP
USB Support: USB 2.0, up to 32GB
Audio Formats: MP3, WMA, AAC, WAV
Tuner Sensitivity: FM 10.8 dBf, AM 25 μV
Display: LCD with multi-color illumination
Power Supply: 14.4V DC (11-16V allowable)
Dimensions: 178mm(W) x 50mm(H) x 153mm(D)

Controls and Settings

Access settings via front panel buttons or remote control. Front Panel: POWER/VOLUME knob, SOURCE, BAND, MENU, TUNE/TRACK buttons.

Remote: POWER, VOLUME, MUTE, SOURCE, BAND, PRESET, PLAY/PAUSE, TRACK SELECTION.

Audio Settings: EQ presets (POP, ROCK, JAZZ, CLASSIC, FLAT), Bass/Mid/Treble, Loudness, Balance/Fader. System Settings: Display color, Dimmer, Beep tone, Language, Bluetooth settings. Radio: Auto store, Manual tuning, Preset memory.

Connecting Devices

USB: Front/rear USB port for media playback. Bluetooth: Wireless audio streaming. AUX: 3.5mm auxiliary input.

Turn off unit before connecting devices.
Connect USB device directly to USB port.
For AUX input, use 3.5mm audio cable.
Select appropriate source (USB, BT, AUX).

Tip: Use high-quality USB cables for reliable data transfer.

Bluetooth Pairing

Supports hands-free calling and audio streaming.

Enable Bluetooth: Press SOURCE until BT appears on display.
Pair device: Search for "KMR-M315BT" on your mobile device.
Enter PIN: Use "0000" if prompted for pairing code.
Confirm pairing: Unit will display "PAIRED" when successful.
Make calls: Use phonebook access or dial manually.
Stream audio: Play music from paired device automatically.

WARNING! Do not operate Bluetooth functions while driving. Park safely first.

Audio Settings

EQ Presets: POP, ROCK, JAZZ, CLASSIC, FLAT. Custom EQ: Adjust Bass, Mid, Treble levels. Loudness: Enhance low-volume listening. Balance/Fader: Adjust speaker output distribution.

Care & Maintenance

Use soft, dry cloth for cleaning. Avoid chemical cleaners. Keep unit dry and free from excessive heat.

CAUTION! Do not use abrasive materials; avoid liquid contact with controls.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/fuse	Check fuse and wiring connections; verify battery connection.
Bluetooth not pairing	Device compatibility/distance	Ensure device compatibility; move closer; reset pairing list.
USB not recognized	Format/compatibility	Use FAT32 format; check USB size limit; try different device.
Poor radio reception	Antenna connection	Check antenna connection; ensure proper grounding.
No sound from speakers	Speaker wiring/settings	Check speaker connections; verify balance/fader settings.

Reset: Hold MENU button for 5 seconds to factory reset.

Service: Contact authorized Kenwood service center for repairs.