Kenwood KMM BT318U Manual

The Kenwood KMM BT318U is a single DIN digital media receiver with Bluetooth connectivity, USB playback, AM/FM radio, and advanced audio controls. Features include built-in Bluetooth for hands-free calling and audio streaming, USB input for iOS/Android devices, 4x50W max power output, customizable illumination, EQ settings, and steering wheel control compatibility. Below are key sections for features, installation, operation, settings, 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, Remote Control, Bluetooth antenna, USB input, AUX input, Preamp outputs.

Feature	Description
Bluetooth connectivity	For hands-free calling and audio streaming
USB input	For iOS/Android device connection and charging
AUX input	For external audio devices
Preamp outputs	Front, rear, and subwoofer outputs
AM/FM tuner	With 18FM/6AM presets
Illumination control	Adjustable button and display colors
Steering wheel control	Compatible with most vehicle systems
EQ settings	5-band equalizer with preset modes
Power output	4x50W max (4x22W RMS)
Display	Dot matrix LCD with adjustable dimmer

Installation

Unpack and inspect contents. Ensure proper mounting in vehicle dashboard.

Disconnect vehicle battery: Remove negative terminal for safety.
Remove existing radio: Use appropriate removal tools for your vehicle.
Connect wiring harness: Match color-coded wires to vehicle harness.
Connect antenna and Bluetooth mic: Route microphone to driver position.
Secure unit in dashboard: Use mounting sleeve and brackets.
Reconnect battery and test functions.

WARNING! Disconnect battery before installation to prevent electrical shorts. Professional installation recommended.

First-Time Setup

Power on unit; follow initial configuration steps.

Bluetooth pairing: Enter pairing mode, search for "KMM-BT318U" on your device.
Radio presets: Scan and save favorite stations to preset buttons.
Display settings: Adjust illumination color and dimmer settings.
Audio settings: Configure EQ, balance, and fader to preference.
Steering wheel controls: Program if compatible with your vehicle.

CAUTION! Do not operate while driving. Complete setup while parked.

Specifications

Power Output: 50W x 4 max (22W x 4 RMS)
Bluetooth Version: 3.0 + EDR
USB Support: iOS devices, Android devices, USB storage
Tuner: AM/FM with RDS
Preamp Outputs: Front, rear, subwoofer (2V)
EQ: 5-band equalizer with 6 preset modes
Display: Dot matrix LCD with 13-color illumination
Operating Voltage: 12V DC negative ground
Dimensions: 178mm(W) x 50mm(H) x 153mm(D)

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE button, FUNCTION knob, USB port, AUX input.

Remote: POWER, SOURCE, VOLUME, MUTE, PRESET, PLAY/PAUSE, TRACK UP/DOWN.

Audio Settings: EQ (POP, ROCK, JAZZ, CLASSIC, FLAT, USER), Bass/Mid/Treble, Loudness, Balance/Fader. System Settings: Illumination (13 colors), Dimmer, Beep, BT Audio Gain, Phone settings. Radio: Auto store, Local/DX, PTY search.

Connecting Devices

Bluetooth: For phones and audio devices. USB: For iOS/Android devices and storage. AUX: For 3.5mm audio cables.

Turn off vehicle before connecting devices.
Bluetooth: Enable pairing mode, connect from device settings.
USB: Connect compatible device to USB port for charging/playback.
AUX: Connect 3.5mm cable from external device to AUX input.
Select source via SOURCE button (BT, USB, AUX, TUNER).

Tip: Use high-quality cables for best audio performance.

Bluetooth Operation

Supports hands-free calling and audio streaming.

Pairing: Hold SOURCE to enter BT mode, search for device on phone.
Calling: Answer/end calls with PLAY/PAUSE; reject with MUTE.
Audio streaming: Play music from paired device automatically.
Phonebook: Access contacts through unit display.
Call history: View recent calls from connected phone.
Disconnect: Turn off BT on phone or select different source.
Reconnect: Automatically reconnects when BT enabled.
Multi-pairing: Remember multiple devices (up to 5).

WARNING! Focus on driving while using hands-free features. Pull over if needed.

USB Playback

Supports MP3, WMA, AAC files from USB devices.

Connect USB device: Insert into USB port on front panel.
Playback: Automatically starts or press PLAY.
Navigation: Use TRACK buttons or FUNCTION knob to browse.
Folder mode: Access files by folder structure.
Repeat/shuffle: Press FUNCTION for playback modes.
Charging: Charges connected smartphones/tablets.
File support: MP3 (32-320kbps), WMA (32-192kbps), AAC.
Device compatibility: iOS devices, Android devices, USB drives.

NOTE: Format USB devices as FAT32 for best compatibility.

Care & Maintenance

Disconnect power before cleaning. Use soft, dry cloth only; no liquids or chemical cleaners.

CAUTION! Do not use abrasive materials. Keep USB port free of debris.

Regulatory Information

FCC Part 15: Class B digital device compliant. Bluetooth qualified device. Copyright © Kenwood Corporation. For support, visit www.kenwood.com or contact authorized service centers. This device complies with part 15 of FCC Rules.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/fuse	Check fuse, wiring connections, and ground.
Bluetooth not connecting	Pairing mode/distance	Enter pairing mode; ensure device within range; delete old pairing.
No sound	Volume/mute/source	Check volume level, mute status, and source selection.
USB not recognized	Format/compatibility	Reformat as FAT32; check device compatibility.
Poor radio reception	Antenna connection	Ensure antenna connected properly; check antenna condition.

Reset: Disconnect battery for 30 seconds to reset unit.

Service: Contact authorized Kenwood service center; www.kenwood.com