kenwood bt mm 8u2 manual

The Kenwood BT MM 8U2 is a high-performance marine audio system with Bluetooth connectivity, waterproof construction, USB input, AM/FM radio tuner, auxiliary input, and multi-zone audio control. Designed for marine environments with IPX6 waterproof rating, this unit features wireless audio streaming, hands-free calling, and compatibility with various audio sources. 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 Connectivity 8. Radio Operation 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Marine-grade audio unit with Bluetooth, USB port, AUX input, AM/FM tuner, waterproof controls, and remote control compatibility.

Feature	Description
Bluetooth connectivity	Wireless audio streaming and hands-free calling
USB input	For MP3/WMA playback from USB devices
AUX input	3.5mm jack for external audio sources
AM/FM tuner	30 station presets (18 FM, 12 AM)
Waterproof rating	IPX6 certified for marine environments
Power output	50W x 4 channels max
Source button	Cycles through audio sources
Volume control	Rotary knob for audio level adjustment
Power button	Turns unit on/off
Mode button	Accesses different operation modes

Installation

Unpack and inspect contents. Ensure proper marine mounting location.

Select mounting location: Choose dry, accessible area with proper ventilation.
Connect power: Red wire to positive terminal, black wire to negative terminal.
Connect speakers: Use appropriate gauge speaker wires for each channel.
Connect antenna: Attach marine antenna for optimal radio reception.
Secure unit: Mount using provided brackets and hardware.

WARNING! Ensure all electrical connections are waterproofed. Disconnect battery before installation.

First-Time Setup

Power on unit; follow initial configuration steps.

Pair Bluetooth device: Press SOURCE to select BT, enable pairing on mobile device.
Set radio presets: Tune to desired stations, press and hold preset button.
Configure audio settings: Use menu to adjust bass, treble, balance, fader.
Set clock: Access system menu to set current time.
Test all inputs: Verify USB, AUX, and radio functionality.

CAUTION! Ensure proper grounding and fuse protection for marine electrical system.

Specifications

Power Output: 50W x 4 channels (max)
Bluetooth Version: 4.1 with A2DP/AVRCP
Radio Tuner: AM/FM with 30 presets
Inputs: USB, AUX (3.5mm), Bluetooth
Waterproof Rating: IPX6
Operating Voltage: 12V DC
Display: LCD with backlight
Dimensions: Standard marine DIN size
Operating Temp: -20°C to +60°C

Controls and Settings

Front panel controls: POWER, VOLUME, SOURCE, MODE, tuning buttons.

Remote Control: POWER, SOURCE, VOLUME, PRESET, MUTE, tuning buttons.

Audio Settings: Bass, treble, balance, fader, loudness. System Settings: Clock, display dimmer, Bluetooth pairing, reset. Radio Settings: Preset memory, seek sensitivity, local/distance reception.

Connecting Devices

Bluetooth: Wireless pairing. USB: Direct connection for audio playback. AUX: 3.5mm cable for external devices.

Turn off unit before connecting wired devices.
For USB: Insert USB device before powering on.
For AUX: Connect 3.5mm cable from external device to AUX input.
Select appropriate source using SOURCE button.

Tip: Use marine-grade cables for all connections to ensure waterproof integrity.

Bluetooth Connectivity

Supports A2DP for audio streaming and HFP for hands-free calling.

Pairing: Press SOURCE to select BT mode, enable pairing on mobile device.
Connection: Unit will automatically connect to paired devices when in range.
Audio control: Use unit controls or mobile device to play/pause/skip tracks.
Phone calls: Answer/end calls using MODE button, microphone built into unit.
Multiple devices: Can store multiple paired devices but connect to one at a time.

WARNING! Maintain safe boating practices while using hands-free features.

Radio Operation

AM/FM tuner with automatic and manual tuning modes.

Select band: Press BAND to switch between AM/FM.
Tune stations: Use tuning buttons for seek or manual tuning.
Store presets: Tune to station, press and hold preset button (1-6) for 2 seconds.
Recall presets: Press preset button briefly to select stored station.
Auto memory: Automatically stores strongest stations in preset locations.

Care & Maintenance

Rinse with fresh water after saltwater exposure. Use mild soap and soft cloth for cleaning.

CAUTION! Do not use high-pressure water spray. Keep connectors dry and protected.

Regulatory Information

FCC compliant: This device complies with Part 15 of FCC rules. Marine grade certification: Meets marine environmental standards. Bluetooth SIG qualified. Copyright © Kenwood Corporation. For support, visit www.kenwood.com or contact authorized marine electronics dealer.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/fuse	Check power connections; verify fuse; test voltage at terminals.
Bluetooth not connecting	Pairing mode/distance	Enter pairing mode; ensure device within range; delete old pairings.
Poor radio reception	Antenna/location	Check antenna connection; ensure proper marine antenna; relocate if needed.
No sound from speakers	Wiring/settings	Verify speaker connections; check fader/balance settings; test speakers.
USB not recognized	Format/compatibility	Use FAT32 formatted devices; check file compatibility; try different USB device.

Reset: Disconnect power for 30 seconds to reset unit.

Service: Contact authorized Kenwood marine dealer for service.