LKM57PRO Wireless Microphone Instruction Manual

LKM57PRO Wireless Microphone

Product Information and Usage Instructions

Product Information

The product is a wireless microphone system that includes a receiver and two microphones. The microphones can be paired with the receiver automatically or manually, and the frequency modulation can be changed by pressing and holding the volume + or – button for 3 seconds. The system has volume, bass, treble, and echo controls. It also has an ID lock feature that ensures no conflict or interference with other microphones. The product comes with a caution about not exposing it to rain or moisture, not heating it above 60/140, and not modifying it in any way.

Usage Instructions

• Pairing Microphones and Receiver
  The microphones will automatically pair with the receiver when turned on and start transmitting audio. If the automatic pairing fails, follow these steps for manual pairing:

1. Ensure the receiver is turned on and that the microphone and receiver are within 1m distance.
2. Press and hold the volume + or – button for 3 seconds. The display screen will flash SEE.
3. The frequency will start modulating.
4. The display screen will show “Connected successfully” and the receiver light will turn blue to indicate successful pairing.

• Changing Frequency Modulation and Adjusting Volume
  To change the frequency modulation, press and hold the volume + or – button for 3 seconds. To adjust the volume, press + to increase the volume or – to decrease the volume. To lock the ID, press and hold the echo button for 3 seconds.

Troubleshooting Guide

If there is no sound from the microphones, check the following possible causes:

• Microphone or receiver is turned off.
• Receiver is not connected properly to amplifier, mixer, karaoke MIC Input.
• Microphone is out of range.
• Microphone volume is turned down to its minimum.
• Batteries in the microphone are not installed properly.
• Receiver/microphone battery is running low.
  For any other issues, refer to the operating instructions or contact qualified service personnel.

MICROPHONE

Press and hold the volume + or – button for 3 seconds to change Frequency Modulation.

Volume Adjustment

• Press + to increase the volume
• Press – to descrease the volume

Pairing Microphones with Receiver

• The microphones will automatically pair with receiver and start transmitting audio. If the microphone fails to pair with the receiver, press and hold the volume + or – button for 3 seconds to manual pair with the receiver.(Ensure the receiver is turned on and that the microphone and receiver are within 1m distance.)

• If you see receiver light blue, it means microphone and receiver paired successfully.

Conflict and Interference with other Microphone

Lock ID

• Ensure the receiver is turned on and that the microphone and receiver are within 1m distance.
• Press and hold the echo button for 3 seconds to locking ID or unlocking ID.

• Press and hold the echo button for 3 seconds to lock ID.

Pairing Microphones and Change Modulation channel

(Note:Please repeat the steps again, if microphone does not paired with receiver !)

Lock the buttons

Lock The buttons can prevent false triggering.

1. Turn the switch to LO to lock the buttons
2. Turn the switch to HI to unlock the buttons

RECEIVER

Battery Full or ON Status: Solid Red Light; Low battery/Charging Status: Flashing Red Light

Safety and General Information

• *CAUTION TO PREVENT FIRE OR SHOCK HAZARD:** DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. DO NOT REMOVE BACK. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
• If abused or misused, the batteries may leak. In extreme cases, they may even present a risk of explosion, fire development, heat generation, and smoke or gas development. Manufacturer and Suppliers of Microphones do not accept any liability for damage arising from abuse or misuse.
• When not using rechargeable batteries for extended periods of time, please charge them regularly every three months.
• Do not heat above 60℃/140℉. Do not expose to sunlight or throw into a fire.
• Users are not permitted to make changes or modify the equipment in any way. Changes or modifications will void warranty.
• This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
• Keep away from children.
• Do not expose to moisture.
• When not using the microphones for an extended period, remove the batteries before storage to prevent fluid leakage or rust.

Troubleshooting Guide

No Sound

| Microphone is on the OFF position| Turn on the microphone ON button
Receiver is on the OFF position| Turn on the Receiver ON button
Receiver is not connected properly to amplifier, mixer, karaoke MIC Input| Check receiver connection to amplifier, mixer, karaoke MIC Input
Receiver – Poor connection to amplifier, mixer, karaoke MIC Input| Check receiver connection to amplifier, mixer, karaoke MIC Input
Microphone out of range| Move the microphone closer to the receiver in the effective 30metre-range
Microphone volume

is turned down  to its minimum

| Increase the volume of the microphone
Batteries in the

microphone are not installed properly.

| Reinstall the batteries. Make sure the positive and negative ends are installed correctly.
Receiver/Micropho ne battery is running low| Replace the batteries for the microphone and recharge the receiver.
Microphone not communicating to receiver| Follow the instructions of

pairing the microphone with the receiver.

Distorted Sound Interference Feedback

| The microphones are too close to the speaker| Move the microphone away from the speakers
Receiver/Microphone battery is running low| Replace the batteries.
Microphone Volume/Echo is too high| Reduce the volume and echo setting

SPECIFICATIONS

(3.7V/1000mAh) / 8 hours
Transmitter working current:| ＜130mA

FCC Compliance Statement:

• This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
  1. this device may not cause harmful interference
  2. this device must accept any interference received, including interference that may cause undesired operation.
• Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
• NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

FCC Radiation Exposure Statement

• The device has been evaluated to meet general RF exposure requirement.
• The device can be used in portable exposure condition without restriction

FOR MORE INFO

Documents / Resources

| LK LKM57PRO Wireless Microphone [pdf] Instruction Manual
2A8QW-LKM57PRO, 2A8QWLKM57PRO, LKM57PRO, LKM57PRO Wireless Microphone, Wireless Microphone, Microphone
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