1. Uvod
The BOYA BY-WM8Pro-K1 is a UHF Dual-Channel Wireless Lavalier Microphone System designed for professional audio recording. This system is suitable for a wide range of applications including interviews, electronic news gathering (ENG), electronic field productions (EFP), film production, business presentations, and educational content creation. It provides reliable audio transmission with 48 selectable UHF channels and offers both stereo and mono output modes.
The system includes one bodypack transmitter (TX8 Pro) and one portable receiver (RX8), an omnidirectional lavalier microphone, and necessary connection cables for various recording devices. Its robust design and user-friendly features ensure high-quality audio capture for DSLR cameras, mirrorless cameras, and video cameras.
2. Vsebina paketa
- RX8 Portable UHF Wireless Receiver (1 unit)
- TX8 Pro UHF Wireless Bodypack Transmitter (1 unit)
- Omnidirectional Lavalier Microphone (1 unit)
- Stereo 3.5mm Mini-Jack Cable (1 unit)
- 3-Pin XLR Cable (1 unit)
- Detachable Shoemount Adapter (1 unit)
- Sponke za pas (2 kosa)
3. Identifikacija sestavnih delov

Figure 3.1: BOYA BY-WM8Pro-K1 Receiver (left) and Transmitter (right) units.
3.1. RX8 Portable Receiver
- Antene: Za sprejem signala.
- LINE OUT: 3.5mm audio output to camera/recorder.
- HEADPHONE: 3.5mm headphone output for audio monitoring.
- LCD zaslon: Shows channel, battery status, audio level, and other settings.
- Gumb SET: Dostopi do menija in potrdi izbire.
- Gumbi +/-: Navigates menu and adjusts values.
- LED za napajanje: Blue indicates power on, red indicates low battery.
- Stikalo za vklop: Nadzor vklopa/izklopa.
- Predal za baterije: Drži dve bateriji AA.
3.2. TX8 Pro Bodypack Transmitter
- Antena: Za prenos signala.
- MIK IN: 3.5mm input for lavalier microphone.
- LINIJA V: 3.5mm input for line-level audio sources.
- LCD zaslon: Shows channel, battery status, audio level, and other settings.
- Gumb SET: Dostopi do menija in potrdi izbire.
- Gumbi +/-: Navigates menu and adjusts values.
- POWER / MUTE Button: Kratek pritisk za utišanje/vklop zvoka, dolg pritisk za vklop/izklop.
- LED za napajanje: Blue indicates power on, red indicates low battery.
- Predal za baterije: Drži dve bateriji AA.

Slika 3.2: Zgornji del view of a BOYA BY-WM8Pro-K1 unit, illustrating the various ports and controls.
4. Nastavitev
4.1. Namestitev baterije
- Open the battery compartment cover on both the receiver and transmitter units.
- Insert two AA batteries into each unit, ensuring correct polarity (+/-).
- Trdno zaprite pokrov prostora za baterije.

Figure 4.1: Battery compartment of a BOYA BY-WM8Pro-K1 unit, showing the removable battery holder for two AA batteries.
4.2. Connecting the Lavalier Microphone
- Connect the 3.5mm locking connector of the lavalier microphone into the 'MIC IN' port on the TX8 Pro transmitter. Ensure the connector is fully inserted and locked to prevent accidental disconnection.
- Clip the lavalier microphone to the user's clothing, approximately 6-8 inches (15-20 cm) below the chin, facing upwards.
4.3. Mounting the Receiver/Transmitter
- Attach the belt clip to the back of the transmitter for wearing on clothing.
- For the receiver, attach the shoemount adapter to the back. This allows mounting the receiver onto a camera's hot shoe or cold shoe mount.
4.4. Connecting to a Camera/Recording Device
- Use the provided 3.5mm mini-jack cable to connect the 'LINE OUT' port of the RX8 receiver to the microphone input of your camera or recording device.
- Alternatively, use the provided 3-pin XLR cable if your recording device has an XLR input.

Figure 4.2: Connecting the receiver to a DSLR camera's audio input.

Figure 4.3: Receiver mounted on a DSLR camera, ready for use with headphones for monitoring.

Figure 4.4: System setup with a smartphone on a tripod, demonstrating versatility.
5. Navodila za uporabo
5.1. Vklop/izklop
- Receiver (RX8): Slide the 'POWER' switch to the 'ON' position.
- Transmitter (TX8 Pro): Press and hold the 'POWER / MUTE' button for approximately 2 seconds.
- To power off, repeat the respective steps.
5.2. Channel Selection and Synchronization
- On both the receiver and transmitter, press the 'SET' button to enter the menu.
- Use the '+/-' buttons to navigate to the channel selection option.
- Select a desired channel. Ensure both the receiver and transmitter are set to the same channel for proper communication.
- The system features PLL-synthesized tuning for stable signal.
5.3. Audio Level Adjustment
- On the receiver, use the '+/-' buttons to adjust the output audio level to match the input sensitivity of your camera or recording device. Monitor the audio levels on your camera to avoid clipping.
- The transmitter also allows for input gain adjustment via its menu to optimize microphone sensitivity.
5.4. Spremljanje zvoka
- Connect headphones to the 'HEADPHONE' jack on the RX8 receiver to monitor the audio in real-time. This is crucial for ensuring clear sound and detecting any interference or issues.
5.5. Funkcija izklopa zvoka
- On the TX8 Pro transmitter, a short press of the 'POWER / MUTE' button will mute the microphone input. The LCD display will indicate 'MUTE'. Press again to unmute.
6. Vzdrževanje
- Čiščenje: Za čiščenje enot uporabljajte mehko, suho krpo. Izogibajte se uporabi agresivnih kemikalij ali abrazivnih materialov.
- Zamenjava baterije: Replace AA batteries when the power LED glows red or the battery indicator on the LCD shows low power. Always use fresh batteries for optimal performance.
- Shranjevanje: When not in use for extended periods, remove batteries from both units to prevent leakage. Store the system in a cool, dry place away from direct sunlight and extreme temperatures.
- Skrb za kabel: Handle cables carefully. Avoid sharp bends or excessive pulling to prevent damage to connectors and wiring.
7. Odpravljanje težav
- Brez zvočnega izhoda:
- Prepričajte se, da sta tako oddajnik kot sprejemnik vklopljena.
- Verify that both units are set to the same channel.
- Preverite nivo baterije; zamenjajte, če je nizka.
- Confirm the lavalier microphone is securely connected to the transmitter's 'MIC IN' port.
- Ensure the receiver's 'LINE OUT' is correctly connected to the camera/recorder's audio input.
- Preverite, ali je oddajnik utišan.
- Slaba kakovost zvoka/motnje:
- Preklopite na drug kanal, da se izognete motnjam zaradi drugih brezžičnih naprav.
- Ensure the transmitter and receiver are within the operational range (up to 300 feet line of sight).
- Zmanjšajte ovire med oddajnikom in sprejemnikom.
- Adjust the input gain on the transmitter and output level on the receiver to prevent distortion or low signal.
- Preverite, ali so kabli ali priključki poškodovani.
- Battery Compartment Issues:
- Exercise caution when installing or removing batteries to prevent damage to the battery compartment. Avoid excessive force.
8. Specifikacije
| Funkcija | Podrobnost |
|---|---|
| Faktor oblike mikrofona | Mikrofonski sistem |
| Mere predmeta (D x Š x V) | 1.14 x 2.64 x 8.19 palcev |
| Vir napajanja | Battery Powered (2x AA per unit) |
| Razmerje med signalom in hrupom | 80 dB |
| Platforma strojne opreme | Camcorder, Camera |
| Število kanalov | 48 (UHF) |
| Teža predmeta | 8.8 unče (250 grama) |
| Tehnologija povezljivosti | Wireless (UHF) |
| Vrsta priključka | 3.5 mm vtičnica, XLR |
| Posebna funkcija | 3.5mm jack, Wireless, Dual-Channel, LCD Display |
| Združljive naprave | Camcorder, Camera, Headphones |
| barva | Črna |
| Polarni vzorec | Omnidirectional (Lavalier Mic) |
| Audio Občutljivost | 70 decibelov |
| Območje delovanja | 300 čevljev (brez ovir) |
9. Garancija in podpora
Specific warranty information for the BOYA BY-WM8Pro-K1 system is not provided in this manual. For warranty details, technical support, or service inquiries, please refer to the official BOYA website or contact your authorized BOYA dealer. Keep your purchase receipt as proof of purchase for any warranty claims.





