Do you have a question about the LM720 and is the answer not in the manual?
Questions and answers
john
May 2, 2025
How do I attach stereo to amplifier REM wire?
Summary of Contents for LUFTMUSIC LM720
Page 1
Thank you for purchasing this LM720 Marine Bluetooth Stereo Please read through these instructions carefully so you will know how to operate your model properly. After you have finished reading the instructions, keep this document in a safe place for future reference.
INSTALLATION Source Unit Trim Bezel Panel Mounting Screws MOUNTING(USING MOUNTING PLATE) 1.Choose a mounting location on the dash board or instrument panel that will allow room behind to run radio cables to the power source. Consider how you will use the AUX IN, LINE OUT and USB connectors and route the appropriate extension cables to an accessible area.
Page 3
WIRING Getting Started Blue Remote Control Receiving Antenna FUSE 10A Yellow Tip: When a suitable ground wire is not present in the vehicle wiring harness. Connect the black ground wire to the vehicle chassis. Fuse: When replacing the fuse, make sure new fuse is the correct type and amperage.
CONTROL LOCATIONS - RECEIVER LM 720 Preset Stations Source Power Audio Setting / Select (Confirm) Volume up / down / Rotate Selection / Mute (press) Band Play/Pause/Confirm Selection Tune Up / Next Track Tune Down / Previous Track Crystal Display...
GENERAL OPERATION Power on/off -- Press the ' ' button to turn the unit on. Press and hold ' again to turn the unit off. Brightness -- Press ' ' to adjust the back light brightness ( High / Medium / Off). Changing Modes -- Press SRC to select between AM/FM, USB, Auxiliary and Bluetooth Music.
AM/FM TUNER OPERATION 1. Press the SRC button to select TUNER 2. Press VOL konb to MUTE, press again to UNMUTE 3. To manual adjust frequency press >>I or |<< 4. Press the PRESET button to recall PRESETS 1-6 5. Press BAND to switch between FM1, FM2, FM3, MW1, MW2, WB; Tuner Function Setting Press and hold Navigate between AUTO...
Activate the Bluetooth on your smartphone to search for new devices. Connect with the device name ' LM720 ' when found. (If pin number is required by smart phone, please enter '0000'). Once pairing is successful, 'Bluetooth' icon will be displayed on the screen.
DAB OPERATION (AVAILABLE FOR LM720D ONLY) Note: DAB+ ( Digital Audio Broadcasting) is only available for some European countries and Australia where has the Digital Radio Broadcasting. Press SRC button to switch to DAB+ mode, LM720D will automatically scan for local digital stations.
TROUBLE SHOOTING ISSUE OPTIONS Cause: Yellow/red wire not connected or incorrect voltage Action: Check connections for proper voltage (11-16V DC) Cause: Black wire not connected Unit will not turn on (no power) Action: Check connection to ground Cause: Fuse blown Action: Replace the fuse Cause: Speaker wire not connected Action: Check connections at speakers...
Need help?
Do you have a question about the LM720 and is the answer not in the manual?
Questions and answers
How do I attach stereo to amplifier REM wire?