LG RK4 Owner'S Manual Download Page 1

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OWNER’S MANUAL

HIGH POWER
SPEAKER
SYSTEM

Please read this manual carefully before operating your set and
retain it for future reference.

MODEL
RK4

www.lg.com

MFL70041967

1905_Rev01

Summary of Contents for RK4

Page 1: ...IGH POWER SPEAKER SYSTEM Please read this manual carefully before operating your set and retain it for future reference MODEL RK4 Copyright 2019 LG Electronics Inc All Rights Reserved www lg com MFL70041967 1905_Rev01 ...

Page 2: ... objects filled with liquids such as vases should be placed on the apparatus WARNING Do not install this equipment in a confined space such as a book case or similar unit CAUTION Do not use high voltage products around this product ex Electrical swatter This product may malfunction due to electrical shock CAUTION No naked flame sources such as lighted candles should be placed on the apparatus CAUT...

Page 3: ...ditions could result in electric shock or fire Periodically examine the cord of your device and if its appearance indicates damage or deterioration unplug it discontinue use of the device and have the cord replaced with an exact replacement part by an authorized service center Protect the power cord from physical or mechanical abuse such as being twisted kinked pinched closed in a door or walked u...

Page 4: ...ng the unit 2 Connecting 11 Connecting the AC Adapter 12 Use of Tripod 14 Optional Equipment Connection 14 LINE IN Connection 14 LINE OUT Connection 15 USB Connection 15 SD card Connection 3 Operating 16 Basic Operations 16 USB SD Operations 16 Using BLUETOOTH wireless technology 16 Listening to music stored on the Bluetooth devices 18 Other Operations 18 Using Microphone 18 Adjusting the ECHO vol...

Page 5: ...Table of Contents 5 1 2 3 4 5 4 Troubleshooting 19 Troubleshooting 19 General 5 Appendix 20 General specifications 21 Maintenance 21 Handling the Unit 21 Trademarks and Licenses ...

Page 6: ...etting Started 6 Getting Started 1 Unique Features Bluetooth Listens to music stored on your Bluetooth device Carrying the unit This unit have wheels and handle for carrying You can easily carry the unit ...

Page 7: ...ll USB devices and SD cards USB device SD card requirement y y Devices which require additional program installation when you have connected it to a computer are not supported y y Do not extract the USB device SD card while in operation y y For a large capacity USB or SD card it may take longer than a few minute to be searched y y To prevent data loss back up all data y y If you use a USB extensio...

Page 8: ...Getting Started 8 Getting Started 1 Rear panel a i j k l b c d e f g h m n ...

Page 9: ...olume Adjusts BASS sound level when setting USER EQ e TREBLE VOL Volume Adjusts TREBLE sound level when setting USER EQ f ECHO VOL Volume Adjusts echo volume g MIC Microphone VOL Volume h Microphone 1 2 Jack i USB Port You can play sound by connecting the USB device j SD card slot You can play sound files by connecting the SD card k LIGHTING Lighting effect on or off l LINE IN OUT L R m DC 25 V 0 ...

Page 10: ...it on the unpaved road or the stair y y Be careful it does not drop the unit when you carry it y y Carry the unit after then disconnect the connected cables y y Do not step or sit on the unit Otherwise this unit may fall down and causing personal injury y y Do not place the unit on an unstable position and place the unit at a safe distance from the child s reach y y Be careful that the unit should...

Page 11: ...d to the AC adapter 2 Connect the AC adapter cable to DC IN adapter input 3 Plug the AC power cord into an AC outlet AC Adapter AC power cord Only use the AC adapter supplied with this device Do not use a power supply from another device or manufacturer Using any other power cable or power supply may cause damage to the device and void your warranty Caution ...

Page 12: ...re connecting with the unit you must set up the tripod completely to prevent shaking Caution 1 Unfold the tripod on a flat surface And then fix the tripod Tighten up the tightening part of the tripod 2 Lift the speaker and connect the tripod to fixing part on the bottom of the speaker Insert the safety pin when setting up the tripod stand Caution 3 Tighten up the Hand screw on the bottom of the un...

Page 13: ... You should limit people around the unit while using this unit with tripod Otherwise it may result in malfunction and causing personal injury or property damage y y Standing on the stool to reach unit control panel is risky and might lead to injuries y y Do not put or attach other objects on the tripod y y Do not shake or push the unit when the tripod is installed y y Refrain from moving around th...

Page 14: ...able White Red Listening to music from your external device The unit can be used to play the music from many types of external device 1 Connect the external device to the LINE IN connector of the unit 2 Connect the power 3 Press INPUT to select LINE 4 Turn on the external device and start it playing LINE OUT Connection Connect an input of auxiliary device to the LINE OUT L R connector If your devi...

Page 15: ...e unit USB device Removing the USB device from the unit 1 Choose a different function 2 Remove the USB device from the unit Note SD card Connection Connect a SD card to the SD slot on the unit SD card Removing the SD card from the unit 1 Choose a different function 2 Remove the SD card from the unit Note ...

Page 16: ...nterrupted when the connection interfered by the other electronic wave or you connect the Bluetooth in the other rooms Connecting individual devices under Bluetooth wireless technology does not incur any charges A mobile phone with Bluetooth wireless technology can be operated via the Cascade if the connection was made via Bluetooth wireless technology y y Available Devices Smart phone MP3 Noteboo...

Page 17: ...ection does not work well try pairing it again y y To connect a new Bluetooth device disconnect the currently connected Bluetooth device and connect a new Bluetooth device Note y y The sound may be interrupted when the connection has interference from other electronic devices y y You may not control the Bluetooth device with this unit y y Depending on the type of the device you may not be able to ...

Page 18: ... is extremely loud it may be distorted In this case rotate MIC VOL to minimum y y You can t adjust microphone s volume by using the MUSIC VOL Microphone s volume can be adjusted by MIC VOL Note Adjusting the ECHO volume You can give an echo effect to the sound from the microphones Rotate the ECHO VOL to increase the echo volume or decrease it Setting the USER EQ You can adjust the sound level of B...

Page 19: ...nit and the connected external device Woofer DVD player Amplifier etc and then try connecting again y y Previous setting may not be saved when device power is shut off No Power y y The power cord is not plugged in Plug in the power cord y y Check whether electricity failed Check the condition by operating other electronic devices using the same AC outlet No sound y y Check whether you select right...

Page 20: ...ng temperature 5 C to 35 C 41 F to 95 F Operating humidity 60 Inputs Analog audio in LINE IN 2 0 Vrms 1 kHz 0 dB 600 Ω RCA jack L R Analog audio out LINE OUT 2 0 Vrms 1 kHz 0 dB 600 Ω RCA jack L R Microphone MIC 1 2 Sensitivity 20 mV 1 kHz 6 3 mm jack x 2 System Frequency Response 80 to 20 000 Hz Signal to noise ratio More than 75 dB Dynamic range More than 80 dB Bus Power Supply USB 5 V 0 500 mA ...

Page 21: ... Do not leave rubber or plastic products in contact with the unit for a long period of time Cleaning the unit To clean the player use a soft dry cloth If the surfaces are extremely dirty use a soft cloth lightly moistened with a mild detergent solution Do not use strong solvents such as alcohol benzine or thinner as these might damage the surface of the unit Trademarks and Licenses The Bluetooth w...

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