CAROL DWR-882 User manual

Bodypack Digital Wireless Transmitter DWM-881
User Manual

Digital Wireless Microphone User Manual
2
Thank you very much for selecting DWR-882 Digital Wireless System. It is
recommended to read this manual carefully before using to make optimum use of your
equipment.
DWR-882 Digital Wireless System, based on the concept of designing for modern
lifestyle, is suitable for all kinds of indoor activities, such as school, company, organization
and so on. All systems are featuring ergonomic design combine smooth curves for a
sophisticated and elegant look.
1. Product Contents
1.1 DWR-882 Digital Wireless Receiver
1.2 DWM-880 Digital Wireless Handle Microphone(Optional)
1.3 DWM-881 Bodypack Digital Wireless Transmitter(Optional)
1.4 MUD-806 Headset Microphone (Optional)
1.5 MDM-863 Tie-clip Microphone (Optional)
1.6 DC 7.5V Power adapter
1.7 ø6.3mm M-XLR/M-XLR Cable
1.8 User’s Manual
2. Parts Identification and Function
2.1 DWR-882 Digital Wireless Receiver (as shown in figure 2.1)
(1) POWER SWITCH: Switches on/off the Receiver (with status LED).
(2)MIC 1 CONNECTING LED: Lights up when microphone 1 is connected.
(3)MIC 2 CONNECTING LED: Lights up when microphone 2 is connected.
(4)VOLUME CONTROLLER 1: Controls the output volume of microphone 1.
(5)VOLUME CONTROLLER 2: Controls the output volume of microphone 2.
(6)ANTENNA: Receives signals from the microphone. The angle of the antennas
can be adjusted leftward, rightward or backward manually.
(7)RESET BUTTON 1: Resets microphone 1 (FOR TECHNICIANS USE ONLY).
(8)ø 6.3mm FEMALE JACK: Connects to the output of amplifier.
(9)RESET BUTTON 2: Resets microphone 2 (FOR TECHNICIANS USE ONLY).
(10)DC POWER RECEPTACLE: Connects DC adapter, and the polarity of central pole
is positive.

Digital Wireless Microphone User Manual
3
Figure 2.1
2.2 DWM-880 Digital Wireless Handle Microphones (as shown in figure 2.2）
(1)BALL GRILLE: Protects the capsule, and the enclosed windscreen can reduces pop
noises effectively.
(2)POWER SWITCH: Switches on/off the microphone (with status LED).
(3)HOUSING: For easy handling the microphone and protects the wireless transmitting
PCB inside.
(4)LOGO PLATE: Protects the antenna and strengthen the transmitting effect. Do not
cover this area while using.
(5)BATTERY COVER: Protects batteries and keeps them from falling off.
(6)BATTERY COMPARTMENT: Accommodates two AA batteries.
(7)CHANNEL SWITCH: Changes the channel (total 16 channels) to eliminate possible
interferences.

Digital Wireless Microphone User Manual
4
(8)RESET BUTTON: Resets the Transmitter signal (FOR TECHNICIANS USE ONLY).
Figure 2.2
2.3 DWM-881 Bodypack Digital Wireless Transmitter（as shown in figure 2.3 and 2.4）
(1)ø 3.5mm EARPHONE JACK: Connects head-worn or lapel condenser microphone.
(2) TRANSMITTER CASING: Protects the wireless transmission PCB inside.
(3)VOLUME CONTROLLER: Controls the output volume to avoid feedback/howling.
(4)POWER LED: The status LED will light up when power on.
(5)POWER SWITCH: Switches on/off the Transmitter’s power and mute mode.
(6)BELT-CLIP: For attaching the Transmitter to the user's clothing(eg. belt, waistband).
(7)BATTERY COVER: Protects batteries and keeps them from falling off.
(8)BATTERY COMPARTMENT: Accommodates two AA batteries.
(9)RESET BUTTON: Resets the Transmitter signal (FOR TECHNICIANS USE ONLY).
(10)CHANNEL SWITCH: Changes channels (total 16 channels) to eliminate possible
interferences.


Digital Wireless Microphone User Manual
5
Figure 2.3
Figure 2.4
2.4 MUD-806 Headset Microphone.（as shown in figure 2.5）
(1) ø 3.5mm STEREO PLUG: Connects Bodypack digital wireless transmitter.
(2) CONDENSER MICROPHONE: Uni-directional microphone capsule.

Digital Wireless Microphone User Manual
6
Figure 2.5
2.5 MDM-863 Tie-clip Microphone.（as shown in figure 2.6）
(1) CONDENSER MICROPHONE: Omni-directional microphone capsule.
(2) ø 3.5mm STEREO PLUG: Connects Bodypack digital wireless transmitter.
圖2.6
3. Receiver Operating Instruction
3.1 Plug the supplied DC adapter to a wall outlet, and then connect the DC adapter to
the power receptacle on Receiver.





Digital Wireless Microphone User Manual
7
3.2 Press the Receiver’s power switch to turn the power on, and the status LED will
light up green, it indicates the Receiver is on.
3.3 If a feedback noise appears when the volume is too high or the microphone is too
close to the speaker, turn the volume down.
4. Wireless Handheld Microphone Operating Instruction
4.1 Turning ON
4.1.1 Press the microphone’s power switch to turn the power on, and the status LED
will light up green. When the microphone connecting LED on the Receiver
lights up red, it indicates the microphone signal is been received by the
Receiver.
4.1.2 For best result, keep the microphone to the sound source in between 2 to 5 cm.
4.2 Turning OFF
Keep pressing the microphone power switch for 2 to 3 seconds till the status LED
goes off. When the microphone is been turned off, the microphone connecting LED
on the Receiver will also go off. Press the power switch on the Receiver till the
status LED goes off.
4.3 Replacing Batteries
4.3.1 When the status LED keeps blinking after the microphone is on, it indicates the
battery energy is running low, so please replace the batteries.
4.3.2 As shown in figure 4.1, press on where circle 1 indicates and push the battery
cover forward to the end, then remove the cover (CAUTION: To avoid injury,
do not place your fingers at where circle 2 indicates when pushing the cover).
Figure 4.1
4.3.3 Insert two AA batteries in the battery compartment according to the polarity
marks.
Figure 4.2
1
2

Digital Wireless Microphone User Manual
8
4.3.4 Close the battery cover. Place the cover on top front of the battery compartment,
then press on where circle 3 indicates and push the battery cover downward to
the end (CAUTION: To avoid injury, DO NOT place your fingers at where
circle 4 indicates when pushing the cover).
Figure 4.3
4.4 Change the Digital Wireless Microphone Channel
4.4.1 When using wireless microphone, there might be interferences from the signals
transmitted by another wireless microphone or other 2.4G wireless appliances
near by. These disturbances can be solved by selecting a different channel.
4.4.2 When changing the channel, it is not necessary to turn the power off. Open the
battery cover, and the channel switch is located next to the battery
compartment. There are 8 channel scales on the switch (as shown in the figure
4.4), and another 8 channels can be selected in between scales.
4.4.3 Fitting a slotted screwdriver into the slot, and rotate the switch clockwise or
counterclockwise to a desired channel. When a new channel is selected, the
microphone connecting LED on the Receiver will blink once, which indicates
the microphone and Receiver are reconnected.
4.4.4 To avoid interference and gain the best result, microphone 1 and 2 should be 8
channels apart. If not applicable, keep at least 2 channels apart.
3 4

Digital Wireless Microphone User Manual
9
Figure 4.4
5. Bodypack Wireless Transmitter Operating Instruction
5.1 Connect a head-worn or lapel condenser microphone to the ø3.5mm Earphone Jack
on the Transmitter.
5.2 Push the Power Switch on the Transmitter to ON as shown in figure 5.1, and the
Power LED will light up red, it indicates the Transmitter is on. When the
microphone connection status LED on the Receiver lights up red, it indicates the
Receiver has already picked up the signals from Microphone, so you can now talk
to the microphone.
Figure 5.1
5.3 If a feedback noise appears when the volume is too high or the microphone is too
close to the speaker, turn the volume down.
5.4 When mute is needed, push the Power Switch on the Transmitter to ST.BY position
as shown in figure 5.2. To unmute the audio signal, simply push the Power Switch
back to ON position.
Power Switch, push to ON
Power Switch, push to ST.BY
Fit the slotted
screwdriver into
this slot.
When selecting
the channel, aim
the arrow at the
scale or in
between two
scales.

Digital Wireless Microphone User Manual
10
Figure 5.2
5.5 Push the Power Switch on the Transmitter to OFF as shown in figure 3.3, and the
Power LED will go off, so as the red light on the Receiver’s microphone connection
status LED.
Figure 5.3
5.6 Replacing Batteries
5.6.1 When the status LED keeps blinking red after the microphone is on, it indicates
the battery energy is running low, so please replace the batteries.
5.6.2 First step is to remove the Belt-Clip. As shown in figure 5.4, press on where
circle 1 and 2 indicates to remove Belt-Clip.
Figure 5.4
Power Switch, push to OFF
1 2

Digital Wireless Microphone User Manual
11
5.6.3 As shown in figure 5.5, press on where circle 3 indicates and push the Battery
Cover downward to the end, then remove the cover.
Figure 5.5
5.6.4 Insert two AA batteries in the Battery Compartment according to the polarity
marks.
5.6.5 Close the Battery Cover. As shown in figure 5.6, press on where circle 3
indicates and pushes upward in the direction of the arrow till the upper edge of
the Cover touches the body casing.
3

Digital Wireless Microphone User Manual
12
Figure 5.6
5.7 Change the Digital Wireless Transmitter Channel
5.7.1 When using Digital Wireless Transmitter, there might be interferences from
other devices that are using neighbor frequencies or from other 2.4G wireless
appliances nearby. These disturbances can be solved by selecting a different
channel for the Transmitter.
5.7.2 First step is to remove the Belt-Clip.
5.7.3 As shown in figure 5.7, fitting a slotted screwdriver into the slot, and rotate the
switch clockwise or counter-clockwise to a desired channel. Each turn clicks
into place represents a channel is been selected
Figure 5.7

Digital Wireless Microphone User Manual
13
6. Pairing Instructions (Only conducted by installers and service technicians)
6.1 Please plug in the power adapter to turn on the DWR-882 Receiver, and connect to
an amplifier with the φ6.3 signal cable.
6.2 Please install batteries on the DWM-880/DWM-881.
6.3 Press reset button on Receiver, the LED will blinking, and you will hear continuous
beeps simultaneously.
6.4 Press reset button on Handheld Microphone/ Wireless Transmitter, the LED will
blinking.
6.5 When the LED on Handheld Microphone/ Wireless Transmitter blinks
simultaneously with LED(A CH or B CH) on Receiver, the program performs
pairing automatically and it takes about 15 seconds. When the pairing is
completed, you will hear a long beep, then LEDs will constantly on, now you have
completed the pairing process successfully.
6.6 If the paring failed, please repeat steps 6.3~6.4 , and speed up the process.
7. Troubleshooting
7.1 No sound
7.1.1 Check if the power to Digital Wireless Receiver is well connected.
7.1.2 If the status LED is not lit when the Digital Wireless Transmitter/Microphone
been switched on, check whether the batteries are properly installed according
to the polarity marks or have enough energy.
7.1.3 The transmission range is 20 meters between Digital Wireless Transmitter and
Digital Wireless Receiver, so the output audio might be inconsistent if the
transmission range is exceeded.
7.2 Interferences
In order to solve the disturbances from other devices that are using neighbor
frequencies or from other 2.4G wireless appliances nearby, fitting a slotted
screwdriver into the slot, and rotate the switch clockwise or counter-clockwise.
8. Specification
8.1 Digital Wireless Receiver
Model : DWR-882
Power Consumption : 7.5W
Receiving Sensitivity : -85dBm
Volume Adjusting Range : 0~20dB
Output Jack : ø6.3mm Mono Female Jack
Rated Output Power : 7.5W (4Ωloaded, THD=10%)
Dimension : 284(L) × 157(W) × 211(H) mm

Digital Wireless Microphone User Manual
14
Weight : 1.5Kg±50g
8.2 Digital Wireless Handle Microphone
Model : DWM-880
Carrier Frequency : 2.4040~2.476 GHz
Transmitting Power : 10dBm(±2dBm)
Capsule : Dynamic
Polar Pattern : Super-Cardioid
Impedance : 600Ω
Frequency Response : 80Hz~12000Hz
Power Supply : Two AA batteries
Battery Life : Approx. 26 hours(Alkaline Battery)
Dimension : ø55 × 260(L) mm
Weight : 180g±5g (W/O Batteries)
8.3 Bodypack Digital Wireless Transmitter
Model：DWM-881
Carrier Frequency：2.404G Hz～2.474G Hz
Transmitting Power：10dBm(±2dBm)
Frequency Response：30~18000Hz
Current Consumption：95mA
Power Supply：Two AA batteries
Battery Life：Approx. 26 hours (Alkaline Battery)
Size：62.4(L)×28.3(W)×88.5(H)mm
Weight：50g±5g(W/O Batteries)
8.4 Headset Microphone
Model：MUD-806
Polar Pattern：Uni-directional
Capsule：Condenser (ø 6) (with electronic filters)
Frequency Response：100Hz ~ 10,000 Hz
Output impedance：2.2K 30%(at 1,000 Hz)
Sensitivity：-67±3dB ( 0dB=1V/μbar；at 1,000 Hz)
Weight：39g±5g
8.5 Tie-clip Microphone
Model：MDM-863
Polar Pattern：Omni-directional

Digital Wireless Microphone User Manual
15
Capsule：Condenser (ø 6) (with electronic filters)
Frequency Response：100Hz ~ 10,000 Hz
Output impedance：2.2K 30%(at 1,000 Hz)
Sensitivity：-63±3dB ( 0dB=1V/μbar；at 1,000 Hz)
Weight：39g±5g
8.6 Power Adapter
Input : AC 120/230, 20W
Output : DC 7.5V/1A
9. Precautions：
9.1 To avoid damaging the circuit, do not exposure the product to rain, water, and
heavy humidity environment, or immerse the product in solution.
9.2 Avoid dropping or throwing the product, or hitting and beating the product by
external force.
9.3 Do not use the product under high temperature environment.
9.4 Do not use the power adapter from other electronic devices as it might damage the
electric circuit.
9.5 Avoid approaching the TV set, computer monitor, or any electric devices with CRT
monitor as the product might interferes the monitor display.
9.6 While using the wireless microphone, keep the Receiver away from any
interference sources such as computer or communication equipment.
9.7 If not in used for a long period of time, remove batteries from the Wireless
Transmitter, and store them separately.
9.8 When the status LED keeps blinking after the Wireless Transmitter is on, it
indicates the battery energy is running low, so please replace the batteries.
9.9 Please read the manual carefully. When replacing headset microphone and tie-clip
microphones, please replace according to product specification to prevent damage
from improper use to obtain the best performance of product.
10. Certifications: This product is in compliance with the following requirements and
regulations:
10.1 CE
10.1.1 EMC：EN 301489-1 / EN 301489-3
10.1.2 RF：EN 300440
10.1.3 LVD：EN 60065
10.2 FCC：FCC Part15C
10.3 NCC：LP0002

Digital Wireless Microphone User Manual
16
11. FCC Declarations
11.1 Changes or modifications made to this device not expressly approved by the
manufacturer may void the FCC authorization to operate this device.
11.2 In order to comply with the regulations of FCC Radiated Emission Limits, do not
place or operate this Transmitter and its antenna together with another antenna or
transmitter.
11.3 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.