Debra ER-102 Professional UHF In Ear Monitoring System User Manual

June 12, 2024
Debra

PROFESSIONAL UHF
IN EAR MONITORING SYSTEM

 Precautions and operation instructions

ER-102 Professional UHF In Ear Monitoring System

Debra ER 102 Professional UHF In Ear Monitoring System - Product Overview
1

MONITOR SYSTEM PARAMETERS

Modulation Method: π /4-DQPSK
Frequency Range: 530-580MHz,1x100CHs Please refer to the actual product for the frequency of some orders)
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

TIPS FOR USING THE PRODUCT

  • 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 ob ects 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.

Key Description

IEM PROFESSIONAL
in-ear monitor system parameters

Debra ER 102 Professional UHF In Ear Monitoring System - Key Description
1 Debra ER 102
Professional UHF In Ear Monitoring System - Key Description
2

For unbalanced use pin 1 and 3 have to be bridged.

1. Signal antenna
2. Information screen
3. Channel setting button
4. Monitor headphone volume
5. Power(ON/OFF)
6. IR signal| 7. Bluetooth
8. 6.5mm Audio output(Stereo)
9. 3.5mm Audio input(Stereo)
10. L/R Gain
11. XLR/6.5mm L/R Audio input(Mono)
12. Power interface
13. Antenna interface
---|---

Debra ER 102 Professional UHF In Ear Monitoring System - Key Description
3 Debra ER 102
Professional UHF In Ear Monitoring System - Key Description
4

1. Transmitting antenna
2. Rotary switch
3. Power light
4. LCD screen
5. IR matching
6. Battery holder| 7. In ear headphones
8. 3.5mm(Stereo)
9. In ear headphone jack
10. Volume knob
OFF | ON | Volume- | Volume+
---|---

Transmitter Operation

IEM PROFESSIONAL
in-ear monitor system parameters

How to select frequencies/channels for the receiver? Manual frequency/Channel select

Debra ER 102 Professional UHF In Ear Monitoring System - Transmitter
Operation 1

STEP 1: press “UP ▲ or DOWN ▼” to select the desired channel.

Debra ER 102 Professional UHF In Ear Monitoring System - Transmitter
Operation 2

STEP 2: Then press “SET” to confirm the channel.

Debra ER 102 Professional UHF In Ear Monitoring System - Transmitter
Operation 3 STEP 3: Align the receiver’s “IR” mark with the transmitter’s “IR” for pairing.

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.

HOW TO LOCK/UNLOCK THE DISPLAY?

Debra ER 102 Professional UHF In Ear Monitoring System - Transmitter
Operation 4

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 bullfight 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-102″and connect the device.

Debra ER 102 Professional UHF In Ear Monitoring System - Transmitter
Operation 5

TROUBLESHOOT/STATUS

Troubles Status Solutions
No sound or weak voice The receiver LCD display off • Turn on the receiver

power.
• Turn on the receiver cover, confirm that the +1- marks on the battery match with the head joint of the receiver.
• 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 does not light up| • 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.

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.

PROFESSIONAL UHF
INEAR MONITORING SYSTEM

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