kenwood kmm bt308u manual

The Kenwood KMM-BT308U is a single DIN digital media receiver with Bluetooth connectivity, USB input, auxiliary input, and advanced audio controls. Features include hands-free calling, audio streaming, customizable sound settings, and compatibility with various audio formats. 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. Audio Settings 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Digital media receiver, Remote Control, USB port, AUX input, Bluetooth antenna, Wiring harness.

Feature	Description
Bluetooth connectivity	For hands-free calling and audio streaming
USB input	For connecting USB devices and charging
AUX input	For external audio sources
Preset memory	Stores up to 18 radio stations
EQ settings	Customizable sound profiles
Steering wheel control	Compatible with vehicle steering wheel controls
Display dimmer	Adjustable display brightness
Power output	50W x 4 channels maximum
Phonebook access	Syncs and displays phone contacts
Voice recognition	Hands-free voice commands

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.
Mount unit: Secure in DIN slot using mounting sleeve and brackets.
Connect antenna and Bluetooth microphone.
Reconnect battery and test unit.

WARNING! Professional installation recommended. Ensure all connections are secure and insulated.

First-Time Setup

Power on unit; follow initial setup prompts.

Language selection: Choose preferred language in settings menu.
Bluetooth pairing: Enter pairing mode and connect mobile device.
Radio presets: Scan and save favorite stations.
Audio settings: Adjust EQ, balance, and fader to preference.
Steering wheel controls: Program if applicable.

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: MP3, WMA, AAC playback
Display: Monochrome LCD with adjustable dimmer
Preset Memory: 18 FM/AM stations
EQ Presets: Flat, Powerful, Vocal, Custom
Inputs: USB, AUX, Bluetooth
Outputs: Front/Rear/Subwoofer pre-outs
Operating Voltage: 12V DC
Dimensions: Single DIN (178mm x 50mm)

Controls and Settings

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

Remote Control: POWER, VOLUME, SOURCE, PRESET, MUTE, PHONE, TRACK controls.

Audio Settings: BASS, TREBLE, BALANCE, FADER, LOUDNESS, EQ presets. Bluetooth: Pairing, phonebook sync, call history. System: Display settings, button beep, language, reset.

Connecting Devices

USB: Connect flash drives or charging cables. AUX: 3.5mm audio cable. Bluetooth: Wireless audio and phone connectivity.

Turn off vehicle before connecting devices.
USB: Insert USB device directly into port.
AUX: Connect audio cable from external device.
Bluetooth: Enable pairing mode and search from mobile device.

Tip: Format USB devices to FAT32 for best compatibility.

Bluetooth Operation

Supports hands-free calling and audio streaming.

Pairing: Press PHONE button, select "Pairing" from menu.
Calling: Use phonebook access or voice dialing.
Audio streaming: Select BT AUDIO as source.
Multiple devices: Supports one connected device at a time.
Disconnect: Turn off Bluetooth or delete pairing.

WARNING! Keep attention on driving. Use voice commands when possible.

Audio Settings

Customizable sound profiles and equalizer settings.

EQ Presets: Flat, Powerful, Vocal
Custom EQ: Adjust 5-band equalizer
Loudness: Enhance bass at low volumes
Balance/Fader: Adjust speaker output
Subwoofer Control: Adjust subwoofer level

Care & Maintenance

Use soft, dry cloth for cleaning. Avoid chemical cleaners. Keep USB port covered when not in use.

CAUTION! Do not use excessive force on controls. Protect from moisture and extreme temperatures.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/ fuse	Check fuse and wiring connections; verify battery connection.
Bluetooth not connecting	Pairing mode/distance	Ensure unit in pairing mode; check device compatibility; reduce distance.
USB not recognized	Format/cable	Reformat USB to FAT32; try different USB device; check cable.
Poor sound quality	Settings/connections	Adjust EQ settings; check speaker connections; verify source quality.
Display issues	Settings/lighting	Adjust dimmer setting; check illumination wire connection.

Reset: Hold SOURCE button while turning power on to factory reset.

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