This document is the owner's manual for the LG Home Speaker System, model RK1D. It provides detailed information on safety, features, connections, operation, troubleshooting, and specifications.
Function Description
The LG Home Speaker System (RK1D) is designed to play music from various sources. It functions as a home speaker, offering audio playback and radio capabilities. Key functions include:
- Audio Playback: Plays music from USB devices, portable players, and external auxiliary devices.
- Bluetooth Connectivity: Allows streaming music wirelessly from Bluetooth-enabled devices such as smartphones, MP3 players, and notebooks.
- Radio Tuner: Features an FM radio tuner with the ability to preset up to 50 stations.
- Sound Adjustment: Offers various sound modes and a BASS BLAST effect for enhanced audio.
- Auto Power On/Down: Includes features for automatic power management, turning the unit on or off based on input signals or inactivity.
- Auto Function Change: Automatically switches to the appropriate function (Bluetooth or Portable) when an input signal is detected or a device is connected.
Important Technical Specifications
- Dimensions (W x H x D): Approximately 235 mm x 947 mm x 250 mm.
- Operating Temperature: 15 °C to 35 °C.
- Operating Humidity: 60%.
- Inputs:
- Analog audio in (AUX IN): 0.6 Vrms (1 kHz, 0 dB), 600 Ω, RCA jack (L, R).
- Portable in (PORT.IN): 0.4 Vrms (3.5 mm stereo jack) x 1.
- Tuner:
- FM Tuning Range: 87.5 to 108.0 MHz or 87.50 to 108.00 MHz.
- System:
- Frequency Response: 40 to 20,000 Hz.
- Signal-to-noise ratio: More than 75 dB.
- Dynamic range: More than 80 dB.
- Bus Power Supply (USB): 5 V ⎓ 500 mA.
- Amplifier (RMS Output power):
- Total output: 60 W RMS.
- Front: 15 W RMS X 2 (3 Ω at 1 kHz, 10% THD).
- Sub Woofer: 30 W RMS X 1 (4 Ω at 1 kHz, 10 % THD).
- Bluetooth Version: 4.1.
- Bluetooth Codec: SBC.
- Compatible Bluetooth Profile: A2DP (Advanced Audio Distribution Profile).
- USB File Compatibility:
- Sampling frequency: 32 to 48 kHz (MP3), 32 to 48 kHz (WMA).
- Bit rate: 32 to 320 kbps (MP3), 40 to 192 kbps (WMA).
- Maximum files: 999.
- Maximum folders: 99.
- File extensions: "mp3"/ "wma".
- USB File System: FAT(16/32) only. NTFS is not supported.
Usage Features
- Remote Control: The unit comes with a remote control for easy operation, including power, function selection, volume adjustment, mute, repeat, folder/preset navigation, tuning, play/pause, sound effects, information display, and bass blast. The remote uses AAA (R03) batteries.
- Top / Front Panel Controls: Features physical buttons for power, function selection, skip/search, play/pause, and volume adjustment.
- USB Connection: Allows playback of MP3/WMA files from USB flash drives. It supports USB2.0 or USB1.1 devices. Users are advised not to extract the USB device during operation and to back up all data to prevent loss.
- AUX IN / PORT. IN Connections: Provides options to connect external audio devices via RCA jacks (AUX IN) or a 3.5 mm stereo jack (PORT. IN).
- Bluetooth Wireless Technology:
- Pairing: Simple pairing process with Bluetooth devices. Once paired, re-pairing is not necessary.
- Multi Phone Pairing: Supports connecting up to two Bluetooth phones simultaneously on Android devices (may vary by device specifications).
- Bluetooth Connection Lock (BT LOCK): A feature to limit Bluetooth connection to only the BT function, preventing unintended connections.
- Radio Operations:
- Auto Tuning: Automatically scans and tunes in radio stations.
- Manual Tuning: Allows precise manual selection of radio frequencies.
- Preset Stations: Stores up to 50 FM stations for quick access.
- Improving Poor FM Reception: A mono mode can be selected to improve reception in areas with weak signals.
- Sound Adjustment: Offers various preset sound modes (POP, CLASSIC, ROCK, JAZZ, STANDARD) and a BASS BLAST effect to customize the audio experience.
- Safety Information: Emphasizes precautions against electric shock, fire hazards, and proper ventilation. It also advises against using high voltage products near the unit.
Maintenance Features
- Handling the Unit: Recommends saving the original shipping carton and packing materials for maximum protection if the unit needs to be shipped.
- Keeping the Exterior Surfaces Clean: Advises against using volatile liquids (like insecticide spray, alcohol, benzine, or thinner) and strong pressure when cleaning. A soft, dry cloth or a cloth lightly moistened with a mild detergent solution is recommended. Avoid leaving rubber or plastic products in contact with the unit for extended periods.
- Troubleshooting Guide: Provides solutions for common issues such as the unit not working properly, no power, no sound, radio stations not tuning, and remote control malfunction.
- Battery Replacement: Instructions for replacing the remote control batteries are provided.
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