Debra ER-102 Professional UHF In Ear Monitoring System User Manual
- June 12, 2024
- Debra
Table of Contents
PROFESSIONAL UHF
IN EAR MONITORING SYSTEM
Precautions and operation instructions
ER-102 Professional UHF In Ear Monitoring System
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
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
---|---
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
STEP 1: press “UP ▲ or DOWN ▼” to select the desired channel.
STEP 2: Then press “SET” to confirm the channel.
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?
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.
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