11
Switching the central unit on/off
After connection to the mains, the device switches on automatically and the
ON
button
lights up.
왘
Press the
ON
button
to switch the MO 2000 CU central unit on or off.
Note:
If the power supply is interrupted for several seconds (e.g. due to a power
failure), the device switches on automatically even if it was switched off
before.
Adjusting the sensitivity
With the microphone connected and both the gain switch
and the level
control
!
set to 0 dB, the specified sensitivity (mV/Pa) is obtained.
왘
Use the gain switch
to increase the output voltage level by 20 dB
(tenfold increase) or 40 dB (hundredfold increase).
왘
Use the level control
!
to steplessly adjust the output voltage level
between –15 dB and +15 dB.
Overload indication
The
OVERLOAD
LED
indicates both positive and negative voltage peaks.
If the
OVERLOAD
LED
lights up:
왘
Use the gain control
and/or the level control
!
to reduce the output
voltage level so that the
OVERLOAD
LED
no longer lights up.
LEVEL
OVERLOAD
0
0
40
20
+/- 15dB
dB
GAIN
LEVEL
OVERLOAD
0
0
40
20
+/- 15dB
dB
GAIN
쐋
