BOYA BY-WM4 Wireless Microphone Instruction Manual

Introduction

Thank you for purchasing BOYA BY-WM4! The BOYA BY-WM4 is a compact wireless microphone system designed for reliable and trouble-free performance. It can work with Smartphones, Tablets, DSLR cameras, Camcorders, Audio recorders, PCs, and other audio/video devices.

Safety Information

⚠ This symbol indicates that there are important operating and maintenance instructions in the literature accompanying your microphone.

1. Please read these instructions for use thoroughly before you use this new equipment for the first time. It contains everything you need to know in order to avoid damage to persons or property.
2. Heed all warnings and follow all instructions.
3. Do not use this microphone near water and clean only with a dry cloth.
4. Only use attachments/accessories specified by the manufacturer.
5. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
6. To protect the device from damage or malfunction, do not expose this device to rain, moisture, or excessive humidity.
7. Batteries should not be exposed to excessive heat, such as direct sunlight, fire, or being left in a hot car.
8. Take great care when using the microphone around moving objects or in other situations where the cable could be suddenly tugged or pulled.

Package Contents

• Transmitter
• Receiver
• Lavalier/lapel microphone
• 3.5mm to TRS audio output cable
• 3.5mm to TRRS audio output cable
• Cold-shoe mount
• Hard case
• User Guide

Transmitter

Diagram Description: The transmitter unit features several ports and indicators.

• 1. Microphone input: Connect the supplied lavalier microphone here. Fully insert the microphone's 3.5mm plug and make sure it clicks into place. [microphone-jack]
• 2. Line In: [line-in-jack]
• 3. Power LED:
  • The power LED flashes blue when the unit is on.
  • The power LED glows red when low power.
• 4. Power OFF/ON: [power-button]
• 5. Button +/-: This button is for connecting signals. Please see "How to connect transmitter and receiver" for details. [control-buttons]
• 6. Antenna: Please do not touch here during use, otherwise, it will affect the signal. [antenna-connector]
• 7. Battery compartment: Accommodates one AA battery. For more details, please see "Installing batteries". [battery-compartment-cover]
• 8. Clip: For more details, please see "Installing or uninstalling clip". [mounting-clip]

Receiver

Diagram Description: The receiver unit features several ports and indicators.

• 1. Earphone Jack (3.5mm diameter stereo mini jack): To monitor the receiver output, connect headphones to this connector. NOTE: Do not connect headphones with a monaural mini jack. This may lead to short-circuiting of the headphone output, resulting in distorted sound output. [headphone-monitoring-jack]
• 2. LINE OUT (audio output) Jack:
  • For using Smartphones, tablets, or Macs: connect one end (90° plug) of the supplied TRRS stereo 3.5mm mini output cable here, and the other end (straight plug) to the smartphone.
  • For cameras, camcorders, audio recorders, and other audio/video recording devices: connect one end of the supplied TRS stereo 3.5mm mini output cable here, and the other end to the camera.
  [audio-output-jack]
• 3. Power LED: For more details, please see "Power LED". [power-indicator-light]
• 4. Power OFF/ON: [power-button]
• 5. Volume +/-: Press these buttons to set the attenuation level of the input signal. [volume-control-buttons]
• 6. Antenna: Please do not touch here during use, otherwise, it will affect the signal. [antenna-connector]
• 7. Battery compartment: Accommodates one AA battery. For more details, please see "Installing batteries". [battery-compartment-cover]
• 8. Clip: For more details, please see "Installing or uninstalling clip". [mounting-clip]
• 9. Shoe mount adapter: [camera-shoe-mount-adapter]

LED Indicator Status

Transmitter & Receiver LED Indicators:

What's the Difference?

Understanding the different audio output connectors:

1. 3.5 mm TRRS connector: For Smartphones, tablets, or Macs.

   Connect to Receiver "LINE OUT" [audio-output-jack] with the 90° plug.

   Connect to Smartphone [smartphone-audio-port] with the straight plug.

2. 3.5 mm TRS connector: For cameras, camcorders, audio recorders, and other audio/video recording devices.

   Connect to Receiver "LINE OUT" [audio-output-jack] with one end.

   Connect to Camera [camera-audio-port] with the other end.

Precautionary Measures When Using Batteries

Batteries/power packs, if inappropriately handled, can run out or explode. Please observe the following notes on safety when handling batteries to be used in this device:

• Use only batteries mentioned in these operating instructions.
• Do not lay the batteries in a fire and do not expose them to direct heat.
• In order to avoid damage to the product, you must make sure that you remove the batteries if you do not use the product over a longer period of time or if the batteries have been discharged.
• If battery fluid comes into contact with skin or clothes, rinse it off immediately with fresh water.

How to Use

Installing Batteries

Both transmitter and receiver require one AA size battery.

1. Slide and remove the transmitter's battery compartment cover.
2. Insert one battery.
3. Close the battery compartment cover.
4. Repeat steps 2 and 3 for the receiver unit.

Connecting the Transmitter and Receiver

Using the Microphone with Smartphone, Tablet, or Mac

1. Mount the receiver to your Smartphone, tablet, or Mac. [receiver-mounted-on-device]
2. Using the TRRS cable, plug the 3.5 mm connector (straight plug) into the audio jack of your smartphone. [trrs-cable-to-smartphone]
3. Insert the 90° plug of the connecting cable into the receiver "LINE OUT" jack. [receiver-audio-out-port]
4. Insert earphones into the receiver's earphone jack [receiver-headphone-port] for monitoring sound.
5. Slide the power ON/OFF switch to the ON position. The LED indicator will light blue. [power-on-led]
6. Insert the lavalier/lapel microphone into the transmitter's microphone input. [transmitter-mic-input-port]
7. Slide the transmitter's power ON/OFF switch to the ON position. The LED indicator will light blue. [transmitter-power-on-led]
8. The belt clip on the back of the transmitter can be used to clip it onto a belt, or the transmitter can simply be put into a pocket. [transmitter-mounting-clip]

Connection Status: If the transmitter and receiver are connected, the LED will flash every 2.5 seconds. If they are not connected, the LED will flash rapidly.

Pairing: The transmitter and receiver are paired before leaving the factory. If they become disconnected, follow these steps:

1. Turn on the receiver.
2. Press the "+" and "-" buttons on the receiver simultaneously for 3 seconds.
3. Repeat steps 1 and 2 for the transmitter.

If the LED lights on both the transmitter and receiver flash blue, they are connected successfully. Otherwise, repeat steps 1-3.

Using the Microphone with Cameras, Camcorders, Audio Recorders, and Other Audio/Video Recording Devices

1. Mount the receiver to your camera, camcorder, audio recorder, or other device. [receiver-mounted-on-camera]
2. Using the TRS cable, plug the 3.5 mm connector into the audio jack of your camera. [trs-cable-to-camera]
3. Insert the other end of the connecting cable into the receiver "LINE OUT" jack. [receiver-audio-out-port]
4. Insert earphones into the receiver's earphone jack [receiver-headphone-port] for monitoring sound.
5. Slide the power ON/OFF switch to the ON position. The LED indicator will light blue. [power-on-led]
6. For transmitter setup, please refer to the "Transmitter" section.
7. Install Microphone:
   • The clip is mounted on the microphone before leaving the factory.
   • Both transmitter and receiver include clips, allowing mounting in any desired location.
   • Adjust the direction of the microphone towards your mouth by rotating it.

Mounting Receiver onto Camera Hot/Cold Shoe:

1. Push the clip to the right side. [clip-slide-right]
2. Screw the shoe mount adapter to the receiver as shown. [attach-shoe-mount]
3. Mount the receiver onto the camera's hot/cold shoe. [receiver-mounted-on-hot-shoe]

Features

• Clear recording sound
• Compatible with smartphones, DSLR cameras, Consumer Camcorders, PCs, etc.
• Light and compact for easy carrying
• Omnidirectional lavalier microphone
• Easy to use
• Hard case included
• Standard camera shoe mount and clip included
• Up to 25m (82ft) operation range
• Power supplied by one AA battery per unit (total two AA batteries)

Specifications

Cautions

1. Please use the original Audio Signal Cable provided, as it is more compatible with the wireless microphone and results in better sound.
2. The given range is only an approximate value that applies when there are no obstructions between the transmitter and receiver. This distance will vary depending on metal objects, people, other obstructions, and signal strength.
3. Battery life may vary depending on the type of battery used.

Important Notes

• If you do not intend to use the wireless microphone for a long period, please remove the batteries from both the transmitter and receiver.
• Do not touch the lavalier/lapel microphone, transmitter, or receiver while recording, as this will cause noise to be recorded.
• Do not place the transmitter close to high-voltage equipment or devices that emit strong electromagnetic fields, otherwise, it may cause noise to be recorded.
• Do not use or leave the transmitter and receiver in hot, humid places.
• Do not leave the receiver attached to the camera when storing the camera in a case.
• Do not mix up the transmitter and receiver when using them.

Warnings

• Keep the wireless microphone out of the reach of children.
• Never use leaking batteries and never expose batteries to excessive heat or fire.

Maintenance

• Do not operate the device with wet hands or feet.
• Clean the equipment only as described in these instructions for use.
• Take care to prevent the equipment from dropping. Make sure that the device is properly fastened and reliably mounted. If the device has dropped on the floor, have it inspected by a skilled electrician before you switch it on again.
• Should the equipment be damaged or defective, or if you notice a scorching smell: Interrupt the electric power supply immediately by removing the batteries. Do not operate the device with a damaged housing; do not repair the device yourself. Have the device repaired only by a skilled electrician.
• Always keep your device in good condition, as specified in these instructions for use.
• Do not open the device.

FCC 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, and (2) This device must accept any interference received, including interference that may cause undesired operation.

Warning: 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, and can radiate radio frequency energy and, if not installed and used in accordance with the 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.

RF warning statement: The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction.