Debra ER-202 Professional UHF In-Ear Monitoring System Instruction Manual
- June 5, 2024
- Debra
Table of Contents
Debra ER-202 Professional UHF In-Ear Monitoring System
ER-202 Monitor system parameters
- 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
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.
TRANSMITTER FUNCTION
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.
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
| Troubles | Status | Solutions |
|---|---|---|
| Turn on the receiver power. | ||
The receiver LCD display off
| 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.
No sound or
weak voice
|
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.
| |
Vertically the receiver antenna.
| The display of the transmitter shows that there is no RF signal.Receiver signal indicator does not light up| 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.
| |
Lower the maximum volume.
Distortion or excess
of burst noise
|
The display screen of the receiver shows that there is RF signal
| 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.
FCC RULES
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
- this device may not cause harmful interference,
- 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 thatM 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