LOMEHO LO-U11

Lomeho LO-U11 Dual Channel Wireless Microphone System

Professional Handheld UHF Karaoke Mic for Dynamic Stage Performance

1. Киришүү

The Lomeho LO-U11 is a professional dual-channel wireless microphone system designed for high-quality audio capture in various settings such as karaoke, stage performances, church events, and shows. This system features adjustable UHF frequencies, anti-feedback capabilities, mute functions, and a robust working range of over 50 meters (164 ft). This manual provides detailed instructions for setting up, operating, and maintaining your wireless microphone system to ensure optimal performance.

2. Пакеттин мазмуну

Сураныч, төмөнкү нерселер үчүн кутучаны белгилеңиз:

  • Кабылдагыч (1 даана)
  • Handheld Transmitter (Microphone) (2 pieces)
  • Antenna (2 pieces)
  • Power Adapter (1 piece)
  • Power Cable (1 piece)
  • 6.3 Audio Cable (1 piece)
  • Anti-slip Ring (2 pieces)
  • Колдонуучунун колдонмосу (1 даана)
Image showing all components included in the Lomeho LO-U11 package: receiver, two handheld microphones, two antennas, power adapter, power cable, audio cable, two anti-slip rings, and a manual.
Figure 2.1: Lomeho LO-U11 Package Contents

3. Продукт бүтүп калдыview

3.1 Алуучу

The receiver unit is the central hub for your wireless microphone system, processing audio signals from the microphones.

Алдыңкы панелдин башкаруу элементтери

Diagram of the receiver's front panel with numbered controls.
Figure 3.1: Receiver Front Panel
  1. UP/Down Button (Channel 1): Press to select frequency for Channel 1.
  2. SET Button (Channel 1): Used for infrared data transmission and confirming frequency selection for Channel 1.
  3. Экран: Displays system information such as frequency, channel, and signal levels.
  4. SET Button (Channel 2): Used for infrared data transmission and confirming frequency selection for Channel 2.
  5. UP/Down Button (Channel 2): Press to select frequency for Channel 2.
  6. Volume Knob (Channel 1): Adjusts the output volume for Channel 1.
  7. IR Signal Indicator: Lights up when infrared signal is detected during synchronization.
  8. Volume Knob (Channel 2): Adjusts the output volume for Channel 2.
  9. Anti-feedback Indicator: Lights up when the anti-feedback function is active.
  10. Кубат которгучу: Кабыл алгычты КҮЙГҮЗҮҮ/ӨЧҮРҮҮ.
  11. Anti-feedback Button: Activates/deactivates the anti-feedback function.

Receiver Screen Indicators

Close-up of the receiver screen displaying various indicators.
Figure 3.2: Receiver Screen Details
  1. Radio Frequency (RF) Signal Level (Channel 1)
  2. Squelch Locked Indicator (Channel 1)
  3. Frequency Indicator (Channel 1)
  4. Frequency Indicator (Channel 2)
  5. Squelch Locked Indicator (Channel 2)
  6. Radio Frequency (RF) Signal Level (Channel 2)
  7. Audio Frequency (AF) Signal Level (Channel 1)
  8. Antenna A or B Indicator (Channel 1)
  9. Transmitter Power Level Indicator (Channel 1)
  10. Transmitter Channel Indicator (Channel 1)
  11. Transmitter Channel Indicator (Channel 2)
  12. Transmitter Power Level Indicator (Channel 2)
  13. Antenna A or B Indicator (Channel 2)
  14. Audio Frequency (AF) Signal Level (Channel 2)

Арткы панелдин туташуулары

Diagram of the receiver's back panel with numbered ports.
Figure 3.3: Receiver Back Panel
  1. Antenna Connector (ANT-2): Connects to Antenna 2.
  2. XLR Balanced Audio Output Sockets (BALANCED-1, BALANCED-2): Provides balanced audio output for each channel.
  3. USB 5V Power Supply: For connecting a 5V USB power source (e.g., power bank).
  4. DC кубат менен камсыздоо: For connecting a 12V DC power adapter (not included).
  5. Unbalanced Mixing Audio Output Socket (MIX OUT): Provides a combined unbalanced audio output for both channels.
  6. Antenna Connector (ANT-1): Connects to Antenna 1.

3.2 Handheld Transmitter (Microphone)

The system includes two dynamic handheld microphones with a cardioid polar pattern.

Image of a handheld microphone with its internal components and screen visible.
Figure 3.4: Handheld Microphone Overview

Microphone Screen Indicators

Close-up of the microphone screen displaying frequency, battery, and channel information.
Figure 3.5: Microphone Screen Details
  1. Жыштыгы: Displays the current operating frequency.
  2. Батарея кубаттуулугунун көрсөткүчү: Калган батареянын иштөө мөөнөтүн көрсөтөт.
  3. Каналдын номери: Indicates the current channel (e.g., CH 001).
  4. Receiver Channel: Indicates which receiver channel the microphone is paired with (e.g., G1 or G2).

Батарея отсеги

Image showing the battery compartment of the microphone with AA batteries inserted.
Figure 3.6: Microphone Battery Compartment

Each microphone requires two AA (KR6 1.5V) batteries. The battery compartment is designed to be tight to prevent movement during use. This may make battery removal slightly challenging.

Anti-slip Rings

Image showing two handheld microphones with orange and blue anti-slip rings attached.
Figure 3.7: Microphones with Anti-slip Rings

Two anti-slip rings are included to provide a secure grip and prevent the microphones from rolling on flat surfaces.

4. Орнотуу нускамалары

4.1 Электр энергиясы

The receiver can be powered by either a 5V USB source or a 12V DC source.

  • 5V USB кубаттуулугу: Connect the included power cable to the USB 5V port on the receiver's back panel and to a 5V USB power adapter (included) or a power bank (not included).
  • 12V DC электр булагы: Connect a 12V DC power adapter (not included) to the DC Power port on the receiver's back panel.
Diagram showing the receiver connected to a power adapter and a power bank via USB.
Figure 4.1: Powering the Receiver with Power Adapter or Power Bank
Close-up of the receiver's power input ports, showing 5V USB and 12V DC options.
Figure 4.2: Receiver Power Input Ports

4.2 Антеннаны орнотуу

Screw the two detachable antennas onto the ANT-1 and ANT-2 connectors on the receiver's back panel. Ensure they are securely fastened and positioned for optimal signal reception.

Image showing the detachable antennas and how they connect to the receiver.
Figure 4.3: Antenna Connection

4.3 Аудио системага туташуу

Кабыл алгычты аудио миксериңизге туташтырыңыз, amplifier, or powered speaker using either the XLR balanced audio outputs or the 1/4" unbalanced mix out.

  • XLR балансталган чыгаруу: Use XLR cables to connect the BALANCED-1 and BALANCED-2 outputs to corresponding inputs on your audio mixer for individual channel control.
  • 1/4" Unbalanced Mix Out: Use the included 6.3 audio cable to connect the MIX OUT to a single input on your audio mixer, amplifier, or powered speaker for a combined stereo signal.
Wiring diagram showing how to connect the wireless microphone receiver to an audio mixer, ampөмүрлүү, же amplifier speaker using XLR and 1/4 inch cables.
4.4-сүрөт: Системанын туташуу схемасы

4.4 Frequency Synchronization (SYNC)

To ensure the microphones communicate with the receiver, you need to synchronize their frequencies.

  1. Step 1 (Receiver Frequency Selection):
    • Press the "UP/DOWN" buttons on the receiver's front panel to select your desired frequency for each channel.
    • Press the "SET" button for each channel to confirm the selected frequency.
  2. Step 2 (Microphone Synchronization):
    • Turn on the handheld microphone.
    • Position the microphone's screen approximately 20 cm (8 inches) away from the IR window on the receiver's front panel.
    • Long press the "SET" button on the receiver for the corresponding channel. The IR signal indicator (7) will light up, and the microphone's frequency will synchronize with the receiver.
Image illustrating the synchronization process between the microphone and receiver via infrared, showing the microphone screen facing the receiver's IR window.
Figure 4.5: Frequency Synchronization

5. Иштөө нускамалары

5.1 Anti-feedback Function

To reduce audio feedback (squealing sound):

  • Press the "Anti-feedback" button (11) on the receiver's front panel.
  • The "Squeak" indicator light (9) will illuminate, indicating the function is active.
Image showing the anti-feedback button on the receiver and the 'Squeak' indicator light turning on.
Figure 5.1: Activating Anti-feedback

5.2 Mute Function (Microphone)

To temporarily mute a handheld microphone:

  • While the microphone is ON, press the power switch on the microphone.
  • The microphone screen will display "AFF OFF" and flash.
  • In this "AF OFF" status, the microphone will not pick up sound. Press the switch again to unmute.
Image showing the microphone screen displaying 'AF OFF' when muted.
Figure 5.2: Microphone Mute Function

5.3 Lock Frequency (Receiver)

To prevent accidental frequency changes on the receiver:

  • Long press the "SET" button on the receiver for approximately 10 seconds.
  • A lock icon will appear on the receiver's screen, indicating that the frequency is locked. Repeat the process to unlock.
Image showing the receiver screen with a lock icon after long pressing the SET button.
Figure 5.3: Locking Receiver Frequency

5.4 Үндү башкаруу

Adjust the output volume for each microphone channel using the corresponding Volume Knobs (6 and 8) on the receiver's front panel.

5.5 Working Range

The system has an effective working range of over 50 meters (164 ft) in open areas with clear line of sight between the microphones and the receiver.

Diagram illustrating the wireless working range of over 50 meters between the microphone and receiver.
Figure 5.4: Wireless Working Range

6. Техникалык тейлөө

6.1 Тазалоо

  • Кабыл алгычты жана микрофондорду жумшак, кургак чүпүрөк менен сүртүңүз.
  • Суюк тазалоочу каражаттарды же эриткичтерди колдонбоңуз, анткени алар капталга же ички компоненттерге зыян келтириши мүмкүн.
  • For microphone grilles, gently remove any debris using a soft brush.

6.2 Батареяны алмаштыруу

  • Replace microphone batteries when the battery power indicator on the microphone screen shows low power.
  • Use two fresh AA (KR6 1.5V) batteries for each microphone.
  • Батареяларды салууда туура полярдуулукту камсыз кылыңыз.

6.3 Сактоо

  • When not in use for extended periods, remove batteries from the microphones to prevent leakage.
  • Системаны күн нурунан жана экстремалдык температурадан алыс салкын, кургак жерде сактаңыз.
  • Keep components in their original packaging or a protective case to prevent damage.

7. Кыйынчылыктарды

КөйгөйМүмкүн себепЧечим
Микрофондон үн чыкпайтМикрофон же ресивер күйгүзүлгөн эмес
Микрофондун үнү өчүрүлдү
Микрофондун батареясы аз
Incorrect frequency synchronization
Аудио кабели ажыратылды
Ресивердин үнү өтө төмөн
Ensure both microphone and receiver are ON
Check microphone screen for "AF OFF" and unmute
Replace AA batteries in microphone
Perform frequency synchronization (Section 4.4)
Бардык аудио кабелдердин туташууларын текшериңиз
Кабыл алгычтын үнүн күчөтүү
Audio feedback (squealing)Anti-feedback function OFF
Microphone too close to speakers
Көлөмү өтө бийик
Activate anti-feedback function (Section 5.1)
Increase distance between microphone and speakers
Reduce receiver volume
Poor signal or dropoutsМикрофондун батареясы аз
Antennas not connected or obstructed
Operating beyond range
Башка аппараттардын кийлигишүүсү
Replace AA batteries in microphone
Ensure antennas are securely connected and unobstructed
Operate within 50m (164 ft) line of sight
Change frequency if possible (Section 4.4)
Receiver screen lockedFrequency lock activatedLong press "SET" button for 10 seconds to unlock (Section 5.3)

7.1 Microphone Battery Display

Image showing the battery level indicator on the receiver screen, which reflects the microphone's battery status.
Figure 7.1: Microphone Battery Level on Receiver Screen

The receiver screen also displays the battery level of the connected microphones, allowing you to monitor their power status.

8. Техникалык шарттар

ӨзгөчөлүкСпецификация
Бренд атыLOMEHO
МоделLO-U11
Типти коюуӨткөргүчтөрдүн топтомдору
ӨлтүргүчДинамикалык микрофон
КолдонууКараоке микрофон
СтильКолдук микрофон
Полярдык үлгүлөркардиоида
БайланышЗымсыз
Жыштык каналдары2 * 450 channels
CHA: 500.00-544.90MHz
CHB: 550.00-594.90MHz
Иштөө диапазонуOver 50m (164 ft)
Микрофондун батареясыAA KR6 1.5V (2 pcs per microphone)
Кабылдагычтын кубаттуулугуDC 5V (USB) or 12V
ФункцияларMute, Anti-feedback, Lock Frequency
Санарип модуляциясыpi/4DQPSK
Occuped Bandwidth100к
Сигнал-ызы-чуу катышы (S/N)90дБ
Frequency Response50-15KHz
Өткөрүүчү күч<10дБм
Frequency Stabilization+/-0.005%
КаналDual channel / 2 channel
ОкуяChurch, performance, show, stage
ДиафрагмаS-Mall
Камтылган батареяЖок

9. Колдонуучунун кеңештери

  • Microphone Material: The handheld microphones are constructed from metal, providing a durable and professional feel.
  • Батареяны алып салуу: The microphone battery compartment is designed for a tight fit to prevent rattling. When removing batteries, you may need to apply a firm but gentle force.
  • Оптималдуу аткаруу: For best wireless performance, ensure a clear line of sight between the microphones and the receiver, and avoid placing the receiver near other electronic devices that might cause interference.

10. Кепилдик жана колдоо

For any technical issues, questions, or support needs regarding your Lomeho LO-U11 Wireless Microphone System, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase for warranty claims.

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