Debra Audio ER-202 UHF Dual Channel Wireless Ear Monitor System User Manual
- June 16, 2024
- Debra Audio
Table of Contents
PROFESSIONAL UHF
INEAR MONITORING SYSTEM
ER-202 UHF Dual Channel Wireless Ear Monitor System
Precautions and operation instructions
I’m glad that you have purchased our wireless
monitoring system. It will give you an easy-to-use professional monitoring
experience. Please read the product description carefully before using it. If
you have any questions you don’t understand, please contact our @DebraAudio
ER-202 Monitor system parameters
Modulation Method:π/4-DQPSK
Frequency Range:530-580MHz,2×100/4x50CHs
Sampling Ratio:48KHz
Transmission Rate:204.8Kbps
Dynamic Range:>90dB
Total Harmonic Distortion:<0.1%
Delay Time of Audio Transmission: <3ms
S/N Ratio:>96dB
Frequency Response:30~20Khz
RX Sensitivity: <-94dBm
Unique ID Address:YES
Some tips to improve the performance of the system
- The transmitter and antenna should kept in the relative position of accessibility of the straight line.
- Don’t put the receiver close to the radio wave emission source, with magnetic objects or most digital devices(such as the CD player, computer, speaker, wifi etc).
- Try to place the receiver in height of 1.5 meters from the ground and the position of a distance of 1 meter away from the wall.
ER-202 monitor system parameters
TRANSMITTER FUNCTION
ER-202 Method
used by Monitoring system
BODYPACK RECEIVER FUNCTION
ER-202 Method used by Monitoring system
BODYPACK RECEIVER FUNCTION
How to select frequencies/channels for the receiver?
Manual frequency/Channel select
“STEP 1 : press”UP▼or DOWN ▲”to select the desired channel.
STEP 2: Then
press’SET”to confirm the channel.
STEP 3: Turn ON the microphone, point the
microphone infrared port (IR) directly at the receiver’s IR PORT.
NOTE:
When adjusting the frequency of one receiver, make sure that the other
receivers are far away from the transmitter.Before leaving the factory, each
unit has been fully tested and appraised by the manufacturer for 3 times.
However, depending on the environment, radio signals from other wireless
devices may interfere with this device. You can try to change the frequency
channel to avoid interference
ER-202 Method used by Monitoring system
BODYPACK RECEIVER FUNCTION
HOW TO LOCK/UNLOCK THE DISPLAY?
Press and hold”UP
▲”and”DOWN ▼ “at the same time to lock/unlock the setting
HOW TO CONNECT BLUETOOTH?
First turn on the transmitter of the monitoring system, and the bluelight is
flashing
Then turn on the Bluetooth switch of the mobile phone.
In the search for a new device, you can view the new device “ER-2020″and
connect the device. 
TROUBLESHOOT / STATUS
Please remove the fault according to the reference suggestions first. Please do not disassemble the equipment for maintenance at will. If you disassemble the equipment without authorization, we will no longer provide maintenance and after-sales service. Thank you for your understanding.
| Troubles | Status | Solutions |
|---|---|---|
| No sound Of weak voice | The receiver LCD display off | • Turn on the receiver |
power.
• Turn on the receiver cover,confirm that the 41- marks on the battery match
with the head joint of the treceiver.
• Install new batteries to replace old batteries.
Receiver LCD display off| • Check whether the head of the power adapter is
connected to the power outlet.
• Confirm whether the power adapter is connected to the receiver.
• Please check whether the power socket is working properly.
The display of the transmitter shows that there is no RF signal.Receiver
signal indicator| • Vertically the receiver antenna.
• Check if there are obstacles between the transmitter and the receiver.
• Move the transmitter closer to the receiver.
• Check whether the receiver and transmitter are in the same frequency.
Distortion or excess of burst noise| The display screen of the receiver shows
that there is RF signal| • Lower the maximum volume.
• Check for interference and eliminate nearby sources of interference (such as
CD players, computers, digital devices, earplug monitoring systems, etc.)
• Check whether the battery is nearly dead, and replace it with a new one.
• If multiple systems are used together in the same time, the frequency
interval between each system can be increased.
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MADE IN CHINA 2020.
Documents / Resources
|
Debra Audio ER-202 UHF Dual Channel Wireless Ear Monitor
System
[pdf] User Manual
ER-202 UHF Dual Channel Wireless Ear Monitor System, ER-202, UHF Dual Channel
Wireless Ear Monitor System, Channel Wireless Ear Monitor System, Wireless Ear
Monitor System, Ear Monitor System, Monitor System, System
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