Cleaning: Unplug the adaptors, clean it with wet cloth. To protect the surface, do not use any
detergent or dissolved liquid.
Power supply: Make sure the power supply is within the required limit, too high or too low will
affect the performance. Please place the batteries into the transmitter according to
correct polarity.
Maintenance: If there are any troubles of the system, please contact your local distributor for
maintenance. Please do not dismantle the products as it will void warranty and harmful
to yourself.
Accessory: please use the accessories supplied by manufacturer or recognized accessories to exert
the best performance.
Warranty: Any dismantling without authorization may lead to cancellation of the warranty.
Do not keep or use the system in high humidity, high electromagnetic or high temperature
environment, please take out the batteries if you don’t use it for a long time.
17
Trouble Shooting
* If there are other troubles, please contact us or your local distributor or retailer. Please do not dismantle
the product as it will void warranty.
Running out of batteries or bad connection between
receiver and power supply
Troubles
Possible reasons
No indication on transmitter and receiver
No RF signal on receiver
With RF signal, but without audio signal
Background noise of audio signal is too loud
Audio signal distortion
Operating distance is too short, signal is not
stable
Frequency of transmitter and receiver is not the
same or out of operating range
Microphone switch is set in the middle, mute state
Output level of receiver is too low; there is
interference signal around
Transmitter’s modulation frequency deviation is too
high; Output level of receiver is too high
Receiver antenna is wrongly placed; there is a strong
electro-magnetic interference around
Usage and Maintenance!
一.目录........................................................................................................... 2
二.产品特点 ................................................................................................... 3
三.接收机功能 ............................................................................................ 3-5
四.操作方法 /调校注意................................................................................. 5-6
如何正确使用手持麦克风
如何正确使用接收机
同一地点正确使用多套无线麦克风
五.数码显示面板操作说明 ............................................................................ 6-7
六.故障现象/故障原因/使用、保存.......................................................................8
七.各部件指标/包装清单 ...................................................................................9
目录
2
No response of the buttons
“LOC” shows in the LCD when pressing the buttons,
please long press
“SET” to unlock
