Kenwood KMM BT315U Manual

The Kenwood KMM BT315U is a single-DIN digital media receiver with Bluetooth connectivity, USB input, auxiliary input, and AM/FM radio. Features include hands-free calling, audio streaming, front panel USB for iOS/Android devices, 3 preamp outputs, variable color illumination, and 50W x 4 max power output. Below are key sections for features, installation, operation, settings, and troubleshooting.

Features at a Glance

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

Installation

Unpack and inspect contents. Ensure proper vehicle compatibility.

1. Disconnect vehicle battery: Remove negative terminal for safety.
2. Connect wiring harness: Match colors to vehicle wiring (red-ignition, yellow-battery, black-ground).
3. Connect antennas: Attach Bluetooth and radio antennas.
4. Mount unit: Slide into DIN opening, secure with mounting sleeve.
5. Reconnect battery and test functions.

WARNING! Disconnect battery before installation to prevent electrical shorts. Ensure all connections are secure.

Basic Operation

Power on unit; follow initial setup prompts.

1. Source selection: Press SOURCE to cycle through Bluetooth, USB, Aux, Radio.
2. Volume control: Turn knob or use remote volume buttons.
3. Bluetooth pairing: Enter pairing mode from BT settings menu.
4. EQ adjustment: Use audio menu to adjust bass, treble, balance, fader.

CAUTION! Operate vehicle controls only when parked. Avoid distractions while driving.

Specifications

• Chassis Size: Single-DIN
• Power Output: 50W x 4 max (22W RMS)
• Bluetooth: Version 3.0 + EDR
• USB Input: 5V/1.5A for device charging
• Frequency Response: 20Hz - 20kHz
• Preamp Outputs: 3 channels (2V)
• Illumination: Variable color (blue/red/green/white)
• Supported Formats: MP3, WMA, AAC
• Operating Voltage: 12V DC

Controls and Settings

Access menus via FUNCTION button. Front Panel: POWER, SOURCE, VOLUME, USB port, Aux input.

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

Audio Settings: BASS, TREBLE, BALANCE, FADER, LOUDNESS. Bluetooth: PAIRING, DEVICE LIST, CALL HISTORY. Display: DIMMER, COLOR SETTING. System: BEEP, RESET, LANGUAGE. Radio: AUTO STORE, LOCAL/DX.

Bluetooth Connectivity

Supports hands-free calling and audio streaming.

1. Enter pairing mode: Menu > Bluetooth > Pairing
2. Search on phone: Find "KMM-BT315U" in Bluetooth devices
3. Connect: Enter PIN if required (default 0000)
4. Make calls: Use phonebook access or dial manually
5. Stream audio: Select BT Audio as source

Tip: Keep phone within 3 feet for optimal Bluetooth performance.

USB and Auxiliary Playback

Supports USB devices and auxiliary input.

1. USB connection: Plug device into front USB port
2. Auto-detection: Unit automatically switches to USB mode
3. Playback control: Use TRACK buttons for navigation
4. Auxiliary input: Connect 3.5mm cable to front port
5. Source selection: Press SOURCE until AUX appears

WARNING! Do not remove USB device during playback. Use compatible USB drives only.

Radio Operation

AM/FM tuner with preset memory.

1. Band selection: Press BAND to switch AM/FM
2. Tuning: Use TUNE buttons or seek automatically
3. Preset storage: Hold preset button for 2 seconds
4. Preset recall: Press numbered preset buttons
5. Auto store: Menu > Radio > Auto Store for automatic presets

Care & Maintenance

Use soft, dry cloth for cleaning. Avoid chemical cleaners.

CAUTION! Do not use abrasive materials. Keep liquids away from unit.

Regulatory Information

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

Troubleshooting

Reset: Menu > System > Reset to factory defaults.

Service: Contact authorized Kenwood service center.