EYK IEM81 Wireless In-Ear Monitoring System User Manual
- June 6, 2024
- EYK
Table of Contents
EYK IEM81 Wireless In-Ear Monitoring System User Manual
MAIN FUNCTION
Product presentation
- This wireless Ear-monitor System is used in stage performance and sound broadcast which can replace traditional complex sound monitoring equipment, achieve admirable listening effect.
- With using the latest high frequency transmission and audio signal dynamic processing technology. also improve the signal-to-noise ratio of the dynamic range so that the system has the best anti-interference to show the perfect original sound again Main features
Main features
UHF band
Among the band of 32MHZ. the preset 16 frequencies can be arbitrary watching
Dynamic expansion circuit, greatly improve signal-to-noise ratio LED screen
display
With power and RF receiving indicator lamp
With using two 1.5V AA batteries and efficient power circuit, long service
time Metal housing, sturdy and durable
The transmitter adopts balanced and unbalanced sharing socket
The transmitter is with output monitoring phone jack
Main function
The system consists of a mini receiver and transmitter combination and its
main function and characteristics are described below
Among the band of 32MHZ. you can preset 16 frequencies which can be arbitrary
switching
With using advanced circuit design, clear the receiving blind angle to make
the system’s receiving signal steady. The system is strong resistance to fall
because of the housing is made by tough metal material. It is the best choice
of stage performance monitor product
DESCRIPTION
Double Channel Desktop Transmitter Front View
-
6.35mm headphone output: connect to headphone
-
Headphone volume : adjust the headphone volume
-
Display screen: display the channel;
-
Selection button: select channel
-
AF signal indicator;
-
Power button: turn on or turn off
Double Channel Desktop Transmitter Back View
-
DC power socket: connect with 12V DC power input socket, the socket center connect positive voltage
-
The left channel: balanced and unbalanced sharing input
-
The right channel: balanced and unbalanced sharing input
-
Left volume adjustment potentiometer
-
Right volume adjustment potentiometer
-
Antenna
Bodypack Receiver
- Antenna.
- Power and Volume knob(or power button).
- Monitor jack.
- AUX jack.
- Low power indicator.
- Receiving signal indicator.
- Audio signal indicator.
- Display screen: display the signal of frequency.
- Select button: select the channel of frequency.
- Voice decrease button.
- Voice increase button.
- Battery cover.
- Battery cage:2 AA 1.5V batteries.
- The clip of the bodypack.
OPERATION
SYSTEM SETUP
Note: transmitting devices such as cellular phones and two-way radios may interfere with wireless audio transmissions. Keep your transmitters and receivers away from these and other potential sources of interference.
Follow these steps when using a system
-
Manually select a channel of the transmitter turn on the transmitter
press button to select a channel.
NOTE: Channel A and Channel B can not with the same frequency -
Manually select the same channel as the transmitter for the receiver.
turn on receiver
press button to select the same channel as the transmitter.
follow these steps to set up the other transmitters and the other channel of receiver. 5;1
TECHNOLOGY SPECIFICATION
System Parameter:
work frequency: 500-600MHz
modulation mode: broadband FM
channels: 16
channel frequency: 300KHz
Frequency stability: ±0.005%
dynamic bound: 100dB
max excursion: ±45KHz
frequency response: 60Hz-18KHz(3±dB)
SIN >105dB
T.H.D: -.50.5%
operation distarce: about 50m(under the situation of no interruption) working
environment temperature: -10°C–+50°C
Receiving machine index:
antenna: hand microphone has on in built helix antenna transmitter 114 ware-
lergh flagelliform antenna
sensitivitire: 12dBuV (80dB SIN)
sensitivitive adjustable rang: 12-32dBuV
erratic control: 75dB
max output frequency +10 dBV
Transmitter index:
antenna receive: BNC/50Q
erratic control: -60dB
power supply: DC 1 2V 700mA
FCC Warning Statement Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 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.
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.
RF Exposure Statement
To maintain compliance with FCC’s RF Exposure guidelines, This equipment
should be installed and operated with minimum distance of 20cm the radiator
your body. This device and its antenna(s) must not be co-located or operation
in conjunction with any other antenna or transmitter.
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