NP1540B / NP1540BP NP1540W / NP1540WP OWNER’S MANUAL Please read this manual carefully before operating your set and retain it for future reference. www.lg.
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER (OR BACK) NO USERSERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. This lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
yy To avoid fire or electric shock, do not open the unit. contact to qualified personnel only. yy Do not leave the unit in a place near the heating appliances or subject to direct sunlight, moisture, or mechanical shock. yy To clean the unit, 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.
Overview [Front] [Rear] Volume - T + 1 Play / Pause Power on / off & Charging LED Dual pairing LED & PORT. IN LED 4 Bluetooth LED L-MONO-R CHARGE PORT.
LED Indicator Status LED Battery low 1 / Red / Blinking Charging 1 / Red / Staying Charged 1 / Off Turn on or Turn off Ready for single pairing / Off / Red / Blinking Single paired & Ready to play / Red / Staying Ready to detect each other Paired each other & Ready for dual pairing Dual paired & Ready to play / Red / Staying / Red / Blinking / Red / Blinking / Red / Blinking (L speaker only) / Red / Staying / Red / Staying / Red / Staying 5
Charging CHARGE L-MONO-R CHARGE PORT. IN Charging LED for battery status yy Charging : Red yy Charged : Off Charging time yy About 3 hours [Note] yy The battery can last up to 5 hours. (Based on 30 % volume, 1 kHz signal, 600 mV portable input and fully charged status) yy When the battery is low, the beep sound is heard in Bluetooth mode. yy Charging the unit using the PC takes longer time. yy To prevent electric shock, handle with care during charging. yy Avoid high or low temperature or humidity.
Bluetooth Connection a b L-MONO-R CHARGE PORT. IN - T + 1 T L-MONO-R C Before turning on the unit, move the mode switch to MONO. 1 Press and hold to turn on. The unit goes into the pairing mode.
Bluetooth Connection c d - T + 1 Select “LG BT Box (XX:XX)” on your Bluetooth device. (XX:XX means the last four digits of BT address.) 8 After pairing, the voice notification is heard and Bluetooth LED stays turned on. If the unit fails to pair, go to step 1 and try again.
Bluetooth Connection e z Play the desired music on the Bluetooth device. After pairing, you can control playback using the buttons on the front of the unit. [Note] yy Once pairing is performed, it does not need to be done again even if you turn off this unit. yy To unpair the Bluetooth device, press and hold T on the front of the unit for 3 seconds. The unit is unpaired.
Dual Speaker Connection * Two speakers are needed to enjoy in stereo. a b Within 5 m L-MONO-R CHARGE PORT. IN L-MONO-R C L-MONO-R CHARGE PORT. IN L-MONO-R C Before turning on the unit, move the each speaker’s mode switch to L and R. 10 - T + - T 1 1 T T 1 1 + Press and hold to turn on. The two speakers begin to detect each other automatically. It takes about 45 seconds but can be longer depending on use environment.
Dual Speaker Connection c d - T + 1 After detecting, beep sound is heard and dual pairing LED stays turned on. The unit goes into the pairing mode. If the units fail to detect, go to step 1 and try again. Select “LG BT Box 2 (XX:XX)” on your Bluetooth device.
Dual Speaker Connection e f - T + z 1 After pairing, the voice notification is heard and the Bluetooth LED stay turned on. If the unit fails to pair, go to step 1 and try again. 12 Play the desired music on the Bluetooth device. After pairing, you can control playback using the buttons on the front of the unit.
Portable Input Connection a b L-MONO-R CHARGE PORT. IN PORT. IN - T + 1 T 1 < Connect the unit to the external device using PORT. IN cable. Press and hold to turn on. PORT. IN LED stays turned on.
Portable Input Connection c z Play the desired music on the device connected to the unit. While the unit is connected with PORT. IN cable, T in the front of the unit does not work.
Additional Information yy The operating time on battery is subject to battery status, operational status and environment conditions. yy The Bluetooth connection can be disconnected in case that the distance between the unit and your Bluetooth device is more than the Bluetooth range limitation. yy This unit is turned off automatically in case that any button is not pressed or any input source is not connected for 20 minutes in Bluetooth mode. yy PORT. IN cable (ø 3.5 mm mini stereo cable) is not supplied.
Additional Information yy In case that there are obstacles between your Bluetooth device and the unit, the device cannot be connected even though the distance between both is less than the Bluetooth range limitation. yy When you use dual speaker connection, keep the distance between the units closer than Bluetooth range limitation. If the distance between the units is more than the Bluetooth range limitation, the units can be turned off automatically.
Specification Power Supply yy 5 V 0 2 A yy Built-in rechargeable battery Power Consumption yy 2.5 W Dimensions (W x H x D) yy Approx. 83 mm x 95 mm x 83 mm Net Weight yy Approx. 370 g Operating Temperature yy 0 °C to 35 °C Operating Humidity yy 5 % to 60 % yy ø 3.5 mm mini jack yy Micro USB port for charging battery External Connector Communication Speaker yy yy yy yy yy Bluetooth 3.0 Type : Built-in Impedance Rate : 4 Ω Max. Output Power : 2.
Troubleshooting No power yy The battery is discharged. Recharge the battery. yy Connect the unit to the power supply with the AC adapter. No sound or sound distortion yy The unit or your Bluetooth device’s volume is set to minimum. Check and adjust the volume of the unit or Bluetooth device’s volume. yy When you use an external device at high volume, the sound quality may be deteriorated. Lower the volume of the devices.
Troubleshooting The unit does not operate normally. yy Press the reset hole on the bottom of the unit using an object like a thin pin. The unit is reset (Refer to below.). L-MONO-R CHARGE PORT. IN RESET The unit is turned off without voice notification. yy In PORT. IN mode, voice notification on the battery status is unavailable. When the unit is turned off suddenly in PORT. IN mode, recharge the battery. The charging LED blinks rapidly when the unit is being charged.
