Opus Technologies OP-FSM, Installation And User Manual

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Manuel d'utilisation - User Manual 18
4. Step-by-step instructions
For optimum adjustment of the magnetic induction loop, use signals at 100 Hz, 500 Hz, 1 KHz, 2.5 KHz,
5 K Hz and pink noise in order to make an accurate adjustment with the maximum of possible
measurements.
You can download these signals on the website:
http://opus-technologies.fr/products/loop-amplifiers/op-fsm/
In order to obtain accurate measurements, always keep the OP-FSM vertical..
EN
GL
IS
H
Measurement
Signal
required
Measurement
range and filter
selection
switch
Comparison
point
Reference
measurements
Step 1 Basic setting
Amplifier
Off
OP-
FSM
off
OP-
FSM
off
None
All controls
turned as far to
the left as
possible
Step 2
Background
noise
Amplifier
off
-30dB A
Several points
inside the loop
Maximum <-30dB
Ideal <-43dB
Step 3
Magnetic field
strength
1kHz 0dB Norm Loop power
0dB +/- 3dB at
1000Hz
Step 4
Magnetic field
strength
1KHz 0dB Norm
Adjust loop
power
0dB +/- 3dB at
1000Hz
Step 5
Magnetic field
strength
(mesure again)
Signal
100Hz,
2,5Khz and
5KHz
0dB Norm
0dB +/- 3dB at
1000Hz
Step 6
Reproduction
quality
Current
signal e.g.
microphone
0dB Norm Line IN control
-3 to +3 dB in the
peaks
Opus Technologies has created a compliance report to gather all your measurements, you can
download the model on the OP-FSM product page:
http://opus-technologies.fr/products/loop-amplifiers/op-fsm/