Idiomas disponibles
Idiomas disponibles
G
Recommended
regular physical
calibration
H
Recommended
periodic verification
procedure
I
Fit-Test Output
J
Listener requirements
6.
6.1. IN-EAR HEADSET OVERVIEW
A
* Earplug
B
Earpiece (PC/ABS plastic)
C
Earhook (SEBS TPE)
D
Cable slider
E
Cable clip
F
Environmental microphone
G
Eartip stem (ABS plastic)
H
Eartip – Skull Screw™ Communication Eartips (Urethane foam)
FP3881REVA_6sidedcover_32sidedinserts_4 x 6_2022-08-24.indd 3
FP3881REVA_6sidedcover_32sidedinserts_4 x 6_2022-08-24.indd 3
Specification
Descriptor
Replace with new calibrated
headset at least every two
years.
Daily check procedure
recommended prior to
conducting fit test.
User receives audio voice
prompt providing PAR
style. Connected app display
provides PAR
value.
No requirements. All listeners
can participate regardless of
hearing ability.
OVERVIEW
A
5.
LABORATORY ATTENUATION
5.1. EXPLANATION OF LABORATORY
ATTENUATION TABLES
A:A
+ eartip
A:B
84
and uncertainty
50
A:C
A:1
A:2
A:3
D
E
L
C
F
J
Eartip – UltraFit™ Eartips (SEBS TPE)
K
Eartip – CCC Eartips (Urethane foam)
L
Control unit connector
* NOTE: When an earpiece is fully assembled with eartip on, it will
be referred to as an earplug. When the earpiece does not have
eartip on, it will be referred to as an earpiece.
3M™ Skull Screw™ Communication Eartips
3M™ Skull Screw™ Metal Detectable
Communication Eartips
3M™ PELTOR™ CCC-GRM-25 Communication
Eartips
3M™ UltraFit™ Communication Eartips
Frequency (Hz) (ƒ)
Mean attenuation (dB) (Mf)
Standard deviation (dB) (sf)
B
G
H
J
K
EN
3
2022-08-24 08:30:25
2022-08-24 08:30:25
