BRUEL & KJAER 1022 - Page 9

This switch is specially provided for reverberation measurements . The same
method is used for remote control, the appropriate wiring of which can be
seen by referring to the circuit diagram of the Oscillator.
MAX. METER
DEFLECTION
OUTPUT LEVEL
dB
10
/ Distorted
----------,~ Signal
0+----------------'r--------------
-10 +---------
-20
-30+--------
-40
-50+--------
-60
-70
-so
-90
---r--~-r--~-r--~-r~~-r~r-~~-v
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 Q.9
Comp.
Voltage
on . .. Compressor" Input"
(63632
( .. Compressor Voltage" on maximum)
Fig. 1.2. Regulation characteristics for different positions of the potentiometer
marked OUTPUT LEVEL.
7