Loading ...
Loading ...
Loading ...
Tufftalk
49
English
Bluetooth License
The Bluetooth
®
word mark and logos are owned by the Bluetooth SIG,
Inc. and any use of such marks by Sena is under license. Other
trademarks and trade names are those of their respective owners.
The product is compliant with and adopts the Bluetooth
®
Specication
4.1 and has successfully passed all interoperability tests that are
specied in the Bluetooth
®
specication. However, interoperability
between the device and other Bluetooth
®
-enabled products is not
guaranteed.
NRR Information
The Tufftalk has been tested according to ANSI S3. 19-1974, EN 352-1
and EN 352-3.
Model (Over-the-Head Earmuff Type) Attenuation Characteristics
Frequency in Hz
Subject 125 250 500 1000 2000 3150 4000 6300 8000
Mean
19.2 20.6 28.7 34.1 35.4 41.3 43.9 45.4 44.5
Standard
Deviation
4.0 2.7 2.4 3.1 3.1 3.4 3.2 3.5 2.9
Overall device NRR when property tted is 24dB.
Model (Hard Hat Mount Earmuff Type) Attenuation Characteristics
Frequency in Hz
Subject 25 250 500 1000 2000 3150 4000 6300 8000
Mean
17.4 18.9 25.5 30.1 34.7 37.9 40.2 34.9 36.3
Standard
Deviation
2.8 2.7 2.7 3.0 2.5 2.7 3.3 4.1 3.7
Overall device NRR when property tted is 22dB.
Note:
Improper fit of this device will reduce its effectiveness in attenuating noise.
Important Earmuff Fitting Instructions
1. Inspect the Tufftalk for dirt damage and foreign objects each time
before you place the headset on your head.
2. Ear muffs offer excellent protection if the earpieces are tted and
adjusted properly. Your ears should be completely enclosed by
the ear cushions.
3. Never attempt to physically modify, bend, or overstress the
headband which may compromise the NRR rating, proper t and
void the product warranty.
Loading ...
Loading ...
Loading ...