Sennheiser Industry Acoustic System IAS-MO 2000 - Manual (Page 13)

11
Switching the central unit on/off
After connection to the mains, the device switches on automatically and the
ON button
ᕤ
lights up.
̈
Press the ON button
ᕤ
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
ᕡ
and the level
control
ᕢ
set to 0 dB, the specified sensitivity (mV/Pa) is obtained.
̈ Use the gain switch ᕡ to increase the output voltage level by 20 dB
(tenfold increase) or 40 dB (hundredfold increase).
̈
Use the level control
ᕢ
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:
̈
Use the gain control
ᕡ
and/or the level control
ᕢ
to reduce the output
voltage level so that the OVERLOAD LED
»
no longer lights up.
LEVEL
OVERLOAD
0
0
40 20 +/- 15dB
dB
GAIN
³ ·
LEVEL
OVERLOAD
0
0
40 20 +/- 15dB
dB
GAIN
³ · »