
17
Owner’s manual
EN
5. Troubleshooting
Problem Reason Solution
Nothing to show in the mi-
crophone screen
Make a wrong installation
about batteries polarity
Chceck the polatiry and in-
stall it again
Out of power Replace the batteries
Battery plate dirty and rust Clean or change the bat-
teries
Receiver haven’t response
when electrify
The socket do not electrify Check the socket
Receiver adapter are da-
maged
Check or replace the same
specication of power ada-
pter
Receiver can’t receiver the
signal
Microphone haven’t turn
on
Turn on the related micro-
phone
The frequency not match Adjust the frequency ac-
cording to the operation
manual
Over the operation distan-
ce
Back to correct operation
distance
Unauthorized to IR syn-
chronization
Operate the IR synchroni-
zation and get the autho-
rization
Receiver have reception
but no sound
The volume is to min Adjust the volume of the
receiver and amplier
Audio cable connected
wrong or badness
Check it and connect the
audio cable correctly
There is cacophony in the
sound box
Sound feedback Reduce volume, micropho-
ne never face to the sound
box, and keep some di-
stance from microphone to
sound box
The sound is intermittence Over the operational di-
stance
Back to the correct opera-
tion distance
The operational distance is
too short
Disorder environment Avoid the complicated
condition, such as big me-
tal objects, walls, scaffol-
ding etc.