6
EN
4. OTHER FUNCTIONS
• The last settings are stored when the headset is switched off.
• Automatic power-off after two hours of no active functions. Automatic power-off is indicated
by a voice message: “automatic power off”.
• Low battery level is indicated by a voice message: “low battery”.
5. IMPORTANT USER INFORMATION
The hearing protector must be worn, adjusted, cleaned and maintained in accordance with this
manual.
• The hearing protector features active volume. Check that this feature works before using
theunit.Ifdistortionorawsarediscovered,consultthemanufacturer’sinstructionsfor
maintenance and battery replacement.
• Always wear the hearing protector at all times during exposure to hazardous noise
• Certain chemical substances may damage this product. Contact the manufacturer for more
information.
• This earmuff is provided with electrical audio input. The wearer should check correct
operation before use. If distortion is detected, the wearer should refer to the manufacturers
advice.
• WARNING - The output of the electrical audio circuit of this hearing protector may exceed
the daily limit sound level.
• If sound distortion increases or the volume becomes too weak, it is time to charge or
replace the batteries. Never replace or insert batteries with the unit switched on. Ensure that
the batteries are correctly aligned before using the product.
• Store product without the batteries.
• Under extremely cold conditions, warm the hearing protector before using.
• The wearer should ensure that the ear-muffs are regularly inspected for serviceability.
• Thettingofhygienecoverstothecushionsmayaffecttheacousticperformanceofthe
ear-muffs
• Theaudibilityofwarningsignalsataspecicworkplacemaybeimpairedwhileusingthe
entertainment facility.
• The performance may deteriorate with battery usage.
• Theseearmuffsshouldbettedto,andusedonlywith,thefollowingindustrialsafety
helmets: (K)
Note: If these recommendations are not followed, attenuation may be adversely affected which
could lead to hearing impairment.
WARNING!
The sound from the active-volume circuit on the hearing protector may exceed the external
sound level.
IMPORTANT!Forthebestprotection,brushasidehairaroundtheearssotheearcushionst
snuglyagainstthehead.Spectacleframesshouldbeasthinaspossibleandtclosetothe
head to minimise acoustic leakage.
Operating temperature: -20 °C to +55 °
6. TECHNICAL DATA
6:1 Attenuation values, SNR (D)
The attenuation values and noise levels for the headset are tested and approved according
to EN 352-3: 2002, EN 352-4: 2001, EN 352-6 : 2002, EN 352-8 2008 and applicable parts
ofEN352-1:2002.CerticateissuedbyFIOH,FinnichInstituteofOccupationalHealth,
Topeliuksenkatu 41a A, FI-00250 Helsinki, Finland(notiedbodyno.0403).
Explanation of the attenuation data tables:
1. Weight
2. Frequency (Hz)
3. Average attenuation (dB)
4. Standard deviation (dB)
5. Expected attenuation (dB)
6:2 Input signal level/usage time for audio input J22 (E)
Maximum permitted audio signal in relation to usage time.
Topreventharmfuleffectsonhearing,theinputsignalshouldnotexceedthespeciedvalues
(average speech sound level). The long-term average value of the earphone volume is