Audiophony PA BM-Control 사용자 설명서 - 페이지 12
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English
We advise you to note all your measurement statements on a document and return
it to the establishment manager (end customer). This statement will certify that the
installation complies with the restrictions of IEC-60118-4 (if measurements and settings
are good).
Audiophony Public Address has created a compliance report to gather all your
measurements, you can download the model on the BM-Control product page:
https://audiophony-pa.com/en/produit/bm-control/
5.2 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 from the BM-Coontrol product page: https://
audiophony-pa.com/en/produit/bm-control/
Measurement
Step 1
Basic setting
Background
Step 2
noise
Magnetic field
Step 3
strength
Magnetic field
Step 4
strength
Magnetic
Step 5
field strength
(mesure again)
Reproduction
Step 6
quality
To obtain accurate measurements, always keep the BM-Control upright.
Page 12
Measurement range
Signal
and filter selection
required
BM-Control
Amplifier off
off
Amplifier off
-20dB
Signal 1 KHz
0dB
Signal 1 KHz
0dB
Signal 100Hz,
2,5KHz and
0dB
5KHz
Current signal
e.g. micro-
0dB
phone
BM-Control - Magnetic field strenght meter
d'alignement
switch
BM-Control
None
off
Several points
A
inside the loop
Norm
Loop power
Adjust loop
Norm
power
Norm
Line IN control
Norm
(amplifier)
Valeurs de
Point
références
mesurées
All controls
turned as far to
the left as pos-
sible (amplifier)
Maximum <-
30dB
Ideal <-43dB
0dB +/- 3dB at
1000Hz
0dB +/- 3dB at
1000Hz
0dB +/- 3dB at
1000Hz
-3 to +3 dB in
the peaks