CleverMic BLS-4518C User manual

This operation manual would be revised at any time without prior notice.
This manual contains needed information as much as possible. If there is anything unclear, wrong or
omitted, please don't hesitate to contact us for confirmation. The company is free from all the damage
and loss caused by no confirmation.
For testing and maintenance, please contact us or our authorized distributors through the dealer from
whom you purchased this product. The company assumes no responsibility for any loss or damage
resulting from testing and maintaining this unit by unqualified personnel.
Operation Instructions
Wired conference microphone system unit

【Safety instructions】
≤2000m
·Read this instruction manual.
·Keep this instruction manual for future reference.
·Follow all instructions in this instruction manual.
·Do not place the product near any heat sources such as radiators, stoves, or other devices that product heat. If
you are not going to use the product for a long time, pull out the battery. Do not throw or drop the product in case
it causes severe damages.
·Be aware of the supply voltage. Only the supply voltage listed on the instruction manual fits the product.
·Only use accessories specified by our company.
·Never take apart the device. If devices are took apart by customers in breach of this instruction, the warranty
becomes null and void. Turn to the professional mechanic or local dealer for help if there is something wrong
with the product.
·If components are needed to replaced, replace them with original components produced by our company.
·Leave the devices the minimum space of 30 mm for proper ventilation. Do not cover the vent with newspapers,
cloths, curtains, etc.
Do not place the devices near fire or water.
Only professional mechanic can assemble the devices if it is labeled
with hazard warning sign“ ”.
Recycle the replaced battery.
The devices can be used in tropical or temperate regions.
Only for safe use in the area with an altitude of below 2,000 meters.
The equipment can be used in non tropical climates
【Unit breakdown and treatment】
Q:No power after connection.
A: The host is not powered on. Please turn on the power.
B: The mains socket is not working. Please check the mains outlet.
Q:No sound after open the unit .
A: Check whether the total output volume of the host is turned on or off.
B: Try to replace the microphone.
Q: No sound output from loudspeaker
A: Check if volume adjustment is reasonable.
B: The unit is on. Please turn off the speech button.
Q: The indicator light keeps flashing
A: Please wait for the search process when it is opened normally.
B: Can't connect. Please check the line if connect well or not.
Q: The unit cannot be opened.
A: The connection path is too long and the power supply is insufficient. Please change the connection mode or add extender device.
B: Special mode for chairman is used. Please change other modes.
Q: Only one microphone can be turned on.
A: Please change the setting of speaker numbers.
Q: The main engine buzzer sounds three times intermittently
A: Unit microphone is not connected, please connect unit microphone.
B: One of the units is broken, please check the unit one by one.
【Unit parameters】
Type
Polar pattern
Frequency response
Sensitivity
Input voltage
S/N ratio
Rated power
peak power
Input and output wire
: capacitance
: one direction
: 30Hz-18KHz
: -43±2dB@1KHz
: DC 24V (powered by host)
: >60dB
: 1.5W
: 4.5W
: 2.0 8P shield cable with the unit directly
2M T-shaped cable(two female plug one male plug)
Windbreak cotton
Delegate unit
【Unit function diagram】
1. Loudspeaker 2. Speech button 3. Chairman priority button 4. Allow to speak button 5.3.5 audio input interface
6.3.5 audio output interface 7.Knob of volume adjustment 8. Surface shell of conference seat 9. Metal base
10. Outlet hole
Chairman unit
【Unit operation instructions】
·Plug the microphone pole into the base XLR plug,and
connect the cable of the unit to the system host.
·Press the speaking button, the lamp ring will turn on,
indicating that the unit is in normal working state.
·Press the chairman priority key to close the open
delegate units, while the open chairman unit is not
affected.
·Provide headphone output port and audio input port.
·With built-in loudspeaker, it can play the background
music of the venue.
·There is volume adjustment knob can adjust the
built-in loudspeaker volume.
【Unit installation diagram】
2
1
2
3 14 10
6 7 8
9
5
2meterunitcable
Microphonehead
Lampring
Angle adjusting hose
Microphone locking plug
XLR socket