－
28
－
1
2
3
>
85dB
>
100dB
<
0
.
01
%
<
0
.
01
%
250mV
2V
3Vrms
3Vrms
15mV
300mV
>
85dB
Attention:
When it doesn't work, it is not always the problem of the device itself,
maybe it is damaged in the shipment. Please check carefully by the
following ways before you take the device to repair. If you sent the
device back to our company for repairing, please package it, we will
provide you with good services.
Failure
Reason
Solution
Output and screen
doesn't work.
Output works but
the screen doesn't
work.
Only one output
works.
There is no sound
in the MIC or the
sound is so low.
Feedback happens
or there is a lot of noise.
Power socket has no power.
Power plug is not in.
Signal wires don't connect well.
Main volume is turned down.
Signal wires don't connect correctly.
There is no output signal.
Signal wires don't connect well.
Balanced potentiometer is to the
extreme.
Signal wires don't connect correctly.
Signal wires doesn't work.
MIC hasn't been turned on.
MIC hasn't been plugged in
completely.
MIC volume has been turn down.
MIC doesn't work.
MIC is too near to the loudspeaker.
MIC volume is too high.
MIC index is not the right one.
MIC hasn't been plugged
in completely.
Repair the power supply system.
Connect the power plug correctly,
and make sure it is connected well.
Pull out power plug and change
the same type of fuse.
Connect signal wires well
according to this user manual.
Adjust the volume.
Connect input correctly.
Check the sound input system.
Connect signal wires well
according to this user manual.
Adjust the balanced potentiometer
to the middle.
Connect signal wires correctly.
Check if the signal wires are open
circuit.
Turn on the MIC.
Plug in the MIC completely.
Adjust the MIC volume to the
reasonable level.
Change the MIC.
Keep the MIC far away from the
loudspeaker.
Adjust the MIC volume to the
reasonable level.
Change the MIC of the same index.
Plug in the MIC completely.
Overload protection
Device
Number
Standard Configuration List
Name
Quantity
User Manual
Power cord
1 PCS
1 PCS
1 PCS
TECHNICAL PARAMETERS
Output channel
S/N R
THD
Max Input Level
Max Output Level
Sensitivity
Input Impedance(Ω)
Output Impedance(Ω)
Crosstalk of Channels
Feedback
Parameter of
Channels
dolby
AC
-
3
.
dolby
digital
.
dolby
prologic
.
DTS
.
DTS96
/
24
4
.
6KG
560
*
310
*
130mm
Decoding format
Net Weight
Package Dimensions
Main(R/L)/Center/SUB/SURR(L/R)
MIC
MIC
MIC
MIC
MIC
MIC
Music
Music
Music
Music
Music
Music
MIC
Music
Main(R/L)
Center
SUB
SURR(L/R)
Mixer+P5bands PEQ+LPF+HPF+Delay+Gain
10K unbalanced
47K unbalanced
300
Ω
(balanced), 1K(unbalanced)
4 levels feedback functions
Dual 16 bands PEQ+LPF+HPF for A/B way MIC, Gain:
﹣
20dB,
﹢
10dB
16 bands PEQ+LPF+HPF, Gain:
﹣
20dB,
﹢
10dB
FAULTS AND MAINTENANCE
