Boya Audio Equipment Co. Ltd. BY-WM4 ユーザーズマニュアル

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Thank you for purchasing BOYA BY-WM4!
Please don’t touch here during using, otherwise, it 
will effect signal.
Please don’t touch here during using, otherwise, it 
will effect signal.
7. Battery compartment
Accommodates one AA battery.
For more details, please see “Installing batteries” 
on page 7.
For more details, please see “Installing or 
uninstalling clip” on page 11.
8. Clip
1. Earphone Jack
Instruction Manual
1. Please read these istructions 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.
(3.5mm diameter stereo mini jack)
To monitor the receiver output, connect the 
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.
2. LINE OUT (audio output) Jack
- 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 camera.
3. Power LED
For more details, please see “Power LED” on page 3.
4. Power OFF/ON
Press these buttons to set the attenuation level of 
the input signal.
6. Antenna
7. Battery compartment
Accommodates one AA battery.
For more details, please see “Installing batteries” on 
page 7.
8. Clip
For more details, please see “Installing or 
uninstalling clip” on page 11.
9.Shoe mount adapter
What’s difference?
MICROPHONE
SMARTPHONE
How to use it
Insert batteries in the transmitter and 
receiver units
1. Both transmitter and receiver requires one AA size
    battery.
2. Slide and remove the transmitter’s battery 
    compartment cover.
3. Insert one battery.
4. Close the battery compartment cover.
5. Do the same ways as step 2 to 4 to insert battery 
    into receiver.
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 mentiond 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 pe-riod of time or 
   if the batteries have been discharged.
■   
If battery fluid cones into contact with skin or clothes, 
   rinse it off imme-diately with fresh water.
Connecting the transmitter and receiver
Using the microphone with Smartphone, 
tablet or Mac
Receiver
Using the microphone with cameras, camcorders, 
audio recorders and other audio/video recording 
devices. 
Receiver
Receiver
3.5 mm TRS connector
2
-For cameras, camcorders, audio recorders and 
 other audio/video recording devices.
3.5 mm TRRS connector
-For Smartphone, tablet or Mac
1
Connect to 
Receiver “LINE OUT”
Connect to Smartphone
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
- For using Smartphone, tablet or Mac
   connect one end (90° plug) of the supplied
  TRRS stereo 3.5mm mini output cable here, and 
  the other end (straight plug) to smartphone.
5. Volume +/-
The BOYA BY- WM4 is compact wireless microphone, 
designed for reliable and trouble-free performance.
It can work with Smartphone, Tablet, DSLR camera, 
Camcorder, Audio recorder, PC and others audio/video 
devices.
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 *uide
1. Microphone input
- Connect the supplied lavalier microphone here. 
- Fully insert the microphone’s 3.5mm plug and 
  make sure it clicks into place.
2. Line In
3. Power LED
1) The power LED flash blue when the unit is on.
2) The power LED glows red when low power.
For more details about LED indicator, please refer to 
as following:
Status 
          
                                      Receiver 
Transmitter
Unit is turned ON 
                                                    Flashing
Wireless communication is established 
                      
Receiver unit is turned OFF(Transmitter is still ON)           Off 
  Flashing
Transmitter unit is turned OFF(Receiver is still ON)        Flashing 
     Off
Low power 
                                                                   Flashing in red
Flashing continually 
every 2.5 seconds
4. Power OFF/ON
5. Botton +/-
This botton is just for connecting signal
For details, please see “How to connect transmitter 
and receiver” on page 9.
6. Antenna
Transmitter
Transmitter
1. Insert the lavalier/lapel microphone into 
    transmitter “    ”.
2. Slider the power ON/OFF switch to ON position 
    ( the LED indicator will light in blue).
3. The belt clip on the back of the unit clips the 
    transmitter onto a belt, or the transmitter simply 
    can be put into a pocket.
If transmitter and receiver connect, the light will 
flash every 2.5 seconds. Otherwise, the light will flash 
rapidly.
Before leaving factory, the connection of both of 
transmitter and receiver will be established.
Transmitter
If transmitter and receiver disconnect, please follow 
below steps:
1. Turn on the receiver
2. Press the button “+” and “-“ for 3 seconds at the 
    same time.
3. Repeat steps 1 to 2 steps to set up the transmitter.
If the LED light of both transmitter and receiver flashes 
blue, connecting successfully.
Otherwise, try 1-3 steps.
Feature
‡ Clear recording sound
‡ Compatiable 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 two AA batteries
Specifications:
‡ RF Modulation: *FS. (*auss frequency Shift .eying)
‡ Frequency band: 2.4*Hz (2405-2478MHz)
‡ Frequency response: 35Hz-14.Hz“3dB
‡ Signal/Noise: 76dB or more
‡ Distortion: 0.1 or less (32ƻ,1 .Hz,65mW output)
‡ RF output level:2 mW
‡ Earphone output level: 32ƻ,65mW
‡ Reception sensitivity: -85dB +/- 3dB / 0dB 1V/Pa, 1kHz
‡ Audio input connector: 3.5mm mini jack
‡ Operation range: 25m (80ft.)
‡ Power requirements: 1.5V DC (One AA size battery)
‡ Consumption power: Transmitter: 1.5V/120 mA 
                                  Receiver:  1.5V/120 mA
‡ Battery life: Transmitter: Approx. 3.0 hours
                     Receiver: Approx. 3 hours
‡ Dimensions:
        Transmitter: 60mm x 86mm x28mm (W/H/D) 
                           (2.36 x 3.3 x 1.1 inches)
        Receiver:     60mm x 86mm x41mm (W/H/D) 
                           (2.36 x 3.3 x 1.61 inches)
‡ Weight:
        Transmitter: 136g (4.37oz) (Without battery)
        Receiver:     152g (4.89oz) (Without battery)
CAUTION
1.Please use our original Audio Signal Cable which is 
   equipped, it’s more compatible with the wireless 
   microphone, and make the sound better.
2.The figure given is only the approximate value that 
   applies when there are no obstructions between the 
   transmitter and receiver. This distance will vary 
   depending on metal objects, people and other 
   obstructions and on the signal strength.
3.Battery life may vary depending on the type of 
   battery used.
IMPORTANT
‡  If you do not intend to use the wireless microphone 
    for a long period time, please remove the batteries 
    from both the transmitter and receiver.
‡  Do not touch the lavalier/lapel microphone, 
    transmitter and receiver while recording, as this will 
    cause noise to be recorded.
‡  Do not let the transmitter close to high-voltage 
    equipment or to devices that emit strong electrom-
    agnetic fields, otherwise, it may cause the 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 to use the transmitter and receiver.
MAINTENANCE
‡  Do not operate the device with wet hands or feet.
‡  Clean the equipment only in the way described in 
    the instructions for use.
‡  Take care to prevent the equipment from dropping 
    down.Make sure that the device is properly fastened 
    and reliably mounted. If the device has dropped down 
    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 only repaired by a skilled 
    electrician.
‡  Always keep your device in good condition,as 
    specified in these in-structions for use.
‡  Do not open the device.
WARNING
‡  .eep the wireless microphone out of the reach of 
    children.
‡  Never use leaking batteries and never expose 
    batteries to excessive heat or fire.
WARNING
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 interfer-
ence 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 partic-
ular 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 requirement. The device can be used in 
portable exposure condition without restriction
BOYA AUDIO EQUIPMENT (SHENZHEN) CO., LIMITED
Add: A16 building, New Material Industrial Park of Silicon Valley Power, *uanlan Town, Shenzhen, China
Tel: (86)0755-28435910
Email: sales@boya-mic.com
www.boya-mic.com
Safety information
This symbol indicates that there are important 
operating and maintenance instructions in the 
literature accompanying your microphone.
1. Mount receiver to Smartphone, tablet or Mac.
2. Using TRRS cable, plug the 3.5 mm connector(straight 
    plug) into the audio jack of your smartphone.
3. Insert the 90° plug of the connecting cable into 
    the receiver “LINE OUT” jack.
4. Insert earphone into receiver “     ” for monitoring 
    sound.
5. Slider the power ON/OFF switch to ON position ( the 
    LED indicator will light in blue)
    Caution: Please do not mix up plug, for details, please 
                 refer to” What’s difference” on page 6.
1. Mount receiver to cameras, camcorders, audio 
    recorders and other audio/video recording devices. 
2. Using TRS cable, plug the 3.5 mm connector into the 
    audio jack of your camera.
3. Insert the other end of the connecting cable into 
    the receiver “LINE OUT” jack.
4. Insert earphone into receiver “     ” for monitoring 
    sound.
5. Slider the power ON/OFF switch to ON position ( the 
    LED indicator will light in blue)
    Caution: Please do not mix up audio cable, for details, 
                 please refer to” What’s difference on page 6”.
For how to setup transmitter, please refer to “Transmitter”
section on page 9.
Install microphone
1. Clip is mounted on the microphone before 
    leaving factory.
2. Both transmitter and receiver include clip, that means 
    you can mount them in any place you want.
3. Adjust the direction of the microphone to your mouth 
    by rotating the Microphone.
If receiver need to be mounted onto camera hot/cold 
shoe, please follow below steps:
1. Push the clip to right side.
2. Screw the shoe mount adapter to receiver as shown. 
3. Mounted receiver onto camera hot/cold shoe
BY-WM4
Wireless Microphone