Instruction manual

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