pengenalan
This manual provides instructions for the Bietrun UHF Wireless Microphone System, model mkk-928. This system is designed for various applications including karaoke, public speaking, and performances, offering reliable wireless audio transmission. Please read this manual thoroughly before use to ensure proper operation and to maximize the product's lifespan.
Maklumat Keselamatan Penting
- This device is designed to be plugged into a MIC input jack only. Do not plug into an AUX or Phone jack, as this will result in no sound or improper function.
- Ensure proper battery installation and charging procedures are followed to prevent damage or malfunction.
- Keep the device away from water, high temperatures, and direct sunlight.
Kandungan Pakej
Sahkan bahawa semua item terdapat dalam pakej anda:
- 1 x Mikrofon Tanpa Wayar
- 1 x Rechargeable Receiver
- 1 x 6.35mm hingga 3.5mm Penyesuai
- 1 x USB Charging Cable (for receiver)
Produk Selesaiview
Microphone and Receiver
The Bietrun wireless microphone system consists of a handheld microphone and a compact receiver, designed for ease of use and portability.

Image: The Bietrun wireless microphone (red) and its compact receiver.
Komponen Mikrofon
The microphone features a durable metal casing, a steel meshed head, and a high-quality capsule for clear audio capture.

Imej: Terperinci view of the microphone's steel meshed head and internal capsule.
Julat Tanpa Wayar
The system utilizes UHF technology to provide a stable wireless connection with a range of up to 160 feet (50 meters).

Image: Illustration of the 160ft UHF wireless signal range.
Arahan Persediaan
Pemasangan Bateri Mikrofon
The microphone requires two AA batteries (not included). To install:
- Buka skru bahagian bawah mikrofon untuk mendedahkan petak bateri.
- Masukkan dua bateri AA, pastikan kekutuban (+/-) betul.
- Skru bahagian bawah kembali dengan selamat.
Pengecasan Penerima
The receiver has a built-in rechargeable battery. Charge it before first use and when the battery indicator is low.
- Connect the receiver to a USB power source using the provided USB charging cable.
- The receiver will fully charge in approximately 3 hours, providing about 4 hours of working time.

Image: Visual guide for installing AA batteries in the microphone and charging the receiver.
Menyambung ke Peralatan Audio
The receiver is designed to connect to devices with a 6.35mm (1/4") MIC input jack.
- Plug the receiver directly into the 6.35mm MIC input of your audio equipment (e.g., speaker, amplifier, karaoke machine, PA system).
- If your device has a 3.5mm MIC input, use the included 6.35mm to 3.5mm adapter.
Nota Penting:
- Always connect to a dedicated MIC input. Connecting to an AUX input will not produce sound.
- This system is not compatible with Bluetooth speakers or MacBooks.

Image: Connection methods for the receiver to various audio devices.
Arahan Operasi
Hidupkan/Mati dan Berpasangan
- Ensure the receiver is plugged into your audio equipment and powered on.
- Press the power button on the microphone to turn it on. The microphone and receiver will automatically pair.
- The microphone's display will show battery power and signal strength.
Adjusting Volume and Changing Channels
The microphone features controls for adjusting volume and changing channels to prevent interference.
- Pelarasan Kelantangan: Use the dedicated switch on the microphone to control the output volume (typically levels 8-12).
- Channel Changing: To avoid interference, especially when using multiple microphones, press the channel button on the microphone to cycle through the 15 available UHF frequency bands.

Image: Microphone controls for volume and channel selection.
Penyelenggaraan
Penjagaan Bateri
- For the microphone, use high-quality AA alkaline batteries. Remove batteries if the microphone will not be used for an extended period to prevent leakage.
- Charge the receiver regularly to maintain battery health and ensure optimal performance. Avoid overcharging.
Pembersihan
- Lap mikrofon dan penerima dengan kain lembut dan kering.
- Avoid using harsh chemicals, solvents, or abrasive cleaners, as these can damage the finish or internal components.
Penyimpanan
- Simpan sistem di tempat yang sejuk dan kering, jauh daripada cahaya matahari langsung, suhu ekstrem dan kelembapan yang tinggi.
- Jauhkan daripada kanak-kanak.
Menyelesaikan masalah
Isu dan Penyelesaian Biasa
- Tiada Bunyi atau Bunyi Sekejap-sekejap:
- Ensure both the microphone and receiver have sufficient power. Check battery levels on the microphone display and receiver indicator.
- Verify that the receiver is connected to a MIC input on your audio equipment, not an AUX input.
- If no sound from one or both microphones, re-pair the devices:
- 1. Turn off both the receiver and microphone.
- 2. Open the microphone battery cap.
- 3. Press and hold the microphone's (HI LO) button for 10 seconds or more until the display channel flashes.
- 4. Quickly turn on the receiver. Wait for the microphone channel display to stop flashing, and the blue light of the receiver to become solid. The devices are now re-paired.
- If using multiple microphones simultaneously, ensure they are on different channels to avoid interference. Refer to the channel changing instructions in the Operating Instructions section.
- Poor Sound Quality or Static:
- Check for sources of interference (e.g., other wireless devices, Wi-Fi routers) and move away from them.
- Change the operating channel on the microphone.
- Ensure the microphone is within the optimal operating range (up to 160 feet) of the receiver.
Spesifikasi
Detailed technical specifications for the Bietrun UHF Wireless Microphone System mkk-928:
| Ciri | Perincian |
|---|---|
| Jenama | Bietrun |
| Nombor Model | mkk-928 |
| Teknologi Ketersambungan | UHF |
| Julat Tanpa Wayar | Sehingga 160 kaki (50m) |
| Microphone Power Source | 2 x Bateri AA (tidak termasuk) |
| Bateri Penerima | Built-in 650 mAh Lithium Polymer (Rechargeable) |
| Masa Kerja Penerima | lebih kurang 4 jam |
| Masa Mengecas Penerima | lebih kurang 3 jam |
| Bilangan Saluran | 15 (Boleh Laras) |
| Respons Kekerapan | 50Hz - 18KHz |
| Nisbah Isyarat-ke-Bunyi | 120 dB |
| Kepekaan Audio | 130 Desibel |
| Faktor Bentuk Mikrofon | Handheld Dynamic Microphone System |
| bahan | Metal (Microphone outer case) |
| Microphone Dimensions (L) | 9.7 inci |
| Receiver Dimensions (L) | 4 inci |
| Berat Barang | 10.6 auns (300 Gram) |
| Peranti Serasi | Amplifier, Karaoke Machine, Speaker, PA System (with 6.35mm MIC input) |
| Ciri Khas | Fungsi Redam |
| Corak Kutub | Satu arah |

Image: Physical dimensions of the microphone and receiver.
Waranti dan Sokongan
For product support, technical assistance, or warranty inquiries, please contact Bietrun customer service through the retailer where you purchased the product. Please retain your proof of purchase for warranty claims. Specific warranty terms may vary; refer to your purchase documentation for details.





