Debra ER-202 is a professional UHF in-ear monitoring system designed to provide a high-quality, reliable wireless audio experience for musicians, performers, and audio engineers. With a frequency range of 530-580MHz, it offers clear and stable signal transmission, minimizing interference and dropouts. The system features adjustable volume controls for both channels, allowing for personalized monitoring levels. It also includes a headphone/output monitor jack for connecting external audio devices.
Debra ER-202 is a professional UHF in-ear monitoring system designed to provide a high-quality, reliable wireless audio experience for musicians, performers, and audio engineers. With a frequency range of 530-580MHz, it offers clear and stable signal transmission, minimizing interference and dropouts. The system features adjustable volume controls for both channels, allowing for personalized monitoring levels. It also includes a headphone/output monitor jack for connecting external audio devices.
PRO MONITOR SYSTEM
POWER
SET SET
PROFESSIONAL UHF
IN EAR MONITORING 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
Modulation Method:FM
Frequency Range:530-580MHz
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
●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.
Some tips to improve the performance of the system
ER-202 Monitor system parameters
ER-202 monitor system parameters
TRANSMITTER FUNCTION
PRO MONITOR SYSTEM
POWER
SET SET
Signal
antenna
Signal
antenna
Headphone / output monitor
volume
Monitor
Headphone
Power
Information screen
Antenna interface
Mixed input
AF B
volume
AF A
volume Antenna interface
Power connector
Channel A
AF input(MONO)
( XLR/6.5mm )
Channel A/B Set button
XLR/6.5mm interface input
Balanced use with XLR connectors
XLR 6.5mm
12
3
1=Ground/Shleld
2=Hot(+ve)
3=Cold(-ve)
output
12
3
For unbalanced use pin 1 and 3 have to be bridged
IR
Bluetooth
@DebraAudio
Channel B
AF input(MONO)
( XLR/6.5mm )
ER-202 Method used by Monitoring system
BODYPACK RECEIVER FUNCTION
OFF
ON
IR
Transmitting
antenna
Rotary switch
LCD
screen
Battery
holder
IR frequency
matching
Turn the lid down
and open
Connecting the monitor
in ear headphones
In ear
headphones
3.5mm
Volume knob
OFF| ON |Volume-|Volume+
In ear headphone jack
ER-202 Method used by Monitoring system
BODYPACK RECEIVER FUNCTION
How to select frequencies/channels for the receiver?
Manual frequency/Channel select
100
60
25
5
DEV
100
60
25
5
RF
PEAK PEAKV
u
% FREQUENCY
532.350
CH:
09
SQ:
5
ANT
A
SET
STEP 1:press“UP ▲ or DOWN ▼”to select the desired channel.
100
60
25
5
DEV
100
60
25
5
RF
PEAK PEAKV
u
% FREQUENCY
IR- - - -
CH:
10
SQ:
5
ANT
A
STEP 2:Then press”SET”to confirm the channel.
SET
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.
IR
STEP 3:Turn ON the microphone,point the microphone infrared
port (IR) directly at the receiver’s IR PORT.
Please do not use earphone with microphone as monitor,
it may not be able to monitor sound normally
ER-202 Method used by Monitoring system
BODYPACK RECEIVER FUNCTION
Troubles Status Solutions
No sound
or
weak voice
The receiver
LCD display off
Receiver LCD
display off
Distortion
or excess
of burst noise
The display screen
of the receiver
shows that there
is RF signal
Turn on the receiver power.
Turn on the receiver cover,confirm that the
+/- marks on the battery match with the head
joint of the treceiver.
Install new batteries to replace old batteries.
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.
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.
Lowerthemaximumvolume.
Checkforinterferenceandeliminatenearby
sourcesofinterference(suchasCDplayers,
computers,digitaldevices,earplug
monitoringsystems,etc.)
Checkwhetherthebatteryisnearlydead,
andreplaceitwithanewone.
Ifmultiplesystemsareusedtogetherinthe
sametime,thefrequencyintervalbetween
eachsystemcanbeincreased.
100
60
25
5
DEV
100
60
25
5
RF
PEAK PEAKV
u
% FREQUENCY
532.350
CH:
09
SQ:
5
ANT
A
SET
Press and hold”UP ▲”and”DOWN ▼”at the same time
to lock/unlock the setting.
HOW TO LOCK/UNLOCK THE DISPLAY?
HOW TO CONNECT BLUETOOTH?
TROUBLESHOOT/STATUS
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.
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.
The display of the
transmitter shows
that there is no RF
signal.Receiver
signal indicator
does not light up
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
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.
Warning: changes or modifications not expressly approved by the party responsible for compliance could void the user's
authority to operate the equipment
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Debra ER-202 is a professional UHF in-ear monitoring system designed to provide a high-quality, reliable wireless audio experience for musicians, performers, and audio engineers. With a frequency range of 530-580MHz, it offers clear and stable signal transmission, minimizing interference and dropouts. The system features adjustable volume controls for both channels, allowing for personalized monitoring levels. It also includes a headphone/output monitor jack for connecting external audio devices.
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