AUDIOPHONY PUBLIC ADDRESS
Page 17
English
Certificate of conformity
to IEC 60118-4 standard
Definition of the listening area for the hearing impaired
Standard: 1m to 1.4m
Standard: 1m to 2m
Area of use
1
Sketch of the room and listening area (indicate scale and dimensions)
search for listening areas
with background noise
Zones > -22dB
Zones > -32dB
Background noise
2
Customer: ........................................... Installer: .................................. Équipement : .................................
Location: ......................................... Room: .................................................. Serial N°: .................................
Comments: ........................................................................................................................................................
.............................................................................................................................................................................
I declare that the installation
complies with the IEC 60118-4 standard
Installer's signature :
Date : / /
7
Existence of other
systems nearby
Yes
No
Interferences
Testing with end users
6
Magnetic field intensity
after adjustment
3
A
B
C
D
E
F
G
H
I
J
K
Measurement points
Height (in meters) =
Indicate 4 to 6 points (A to F) inside the room to perform the measurements – centre, corners, sides, front back, etc.
Frequency response
after adjustments
Magnetic field measurement
after adjustments
5
100Hz
1kHz
5kHz
4
