3
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.
6.
OVERVIEW
6.1. IN-EAR HEADSET OVERVIEW
J
H
K
A
F
B
C
D
E
G
L
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)
Specification
Descriptor
G
Recommended
regular physical
calibration
Replace with new calibrated
headset at least every two
years.
H
Recommended
periodic verification
procedure
Daily check procedure
recommended prior to
conducting fit test.
I
Fit-Test Output
User receives audio voice
prompt providing PAR
84
+ eartip
style. Connected app display
provides PAR
50
and uncertainty
value.
J
Listener requirements No requirements. All listeners
can participate regardless of
hearing ability.
5.
LABORATORY ATTENUATION
5.1. EXPLANATION OF LABORATORY
ATTENUATION TABLES
A:A
3M™ Skull Screw™ Communication Eartips
3M™ Skull Screw™ Metal Detectable
Communication Eartips
A:B
3M™ PELTOR™ CCC-GRM-25 Communication
Eartips
A:C
3M™ UltraFit™ Communication Eartips
A:1
Frequency (Hz) (ƒ)
A:2
Mean attenuation (dB) (Mf)
A:3
Standard deviation (dB) (sf)
EN
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