14 US-EN
Plug the USB Type C plug 13 on the charging cable into the USB Type C charging socket 10
on the headphones . Plug the USB type A plug 12
on the charging cable into a USB port on a
PC or a USB adapter (not included) .
The LED indicator 6 will remain white whilst charging . Once the battery
is fully charged, the LED indicator 6 will turn off .
Once charging is complete, remove the micro-USB plug 13 from the Ear Muffs .
Power off mode Protective operation
Fitting instructions
ATTENTION! BRUSH EXCESS HAIR ASIDE AND REMOVE ANY EAR JEWELLERY
OR SPECTACLES THAT MAY AFFECT ACOUSTIC SEAL BEFORE ATTEMPTING TO
FIT THE EAR MUFFS.
Pull the Ear Muffs apart and place over the ears so that the speakers with ear pads 9
completely seal around the ears .
For optimum noise reduction the Ear Muffs should form a snug fit around the head .
Slide the Ear Muffs up or down to find the position where they completely cover your ears .
When properly installed and adjusted, the Ear Muffs should not touch any headgear shell or
visor surround .
Check the seal of the Ear Muff cushions around the temples of your eyeglasses . If you don’t get
a good seal around your glasses, you may get less protection from noise .
Check the fit by talking out loud . Your voice should sound hollow, like you are talking in a
barrel . The noises around you should not sound as loud as they did before you put the Ear
Muffs on .
The wearer should ensure:
The Ear Muffs are fitted, adjusted and maintained in accordance with the manufacturer’s
instructions .
The Ear Muffs are worn at all times in noisy surroundings .
The Ear Muffs are regularly inspected for serviceability .
Power On mode using the Earmuffs with Bluetooth
®
or Aux in
Connect the Ear Muffs with a communication device .
Place the Ear Muffs near a switched on communication device (e .g . mobile or computer) .
Pairing with a new Bluetooth
®
device: Hold the On/Off button
5
for approx . 3 seconds
to turn on the product until the LED indicator
4
flashes blue and white and the acoustic signal
sounds . This indicates that the Ear Muffs are now in pairing mode, which remains active for 5
minutes . The Ear Muffs will switch off if they do not detect a Bluetooth
®
device to connect to
and the acoustic signal will sound .
Now connect your communication device (mobile phone or computer) via Bluetooth
®
with the
Ear Muffs . Please refer to the notes in the instructions for your communication device . Select the
entry “PKB 5 A1“ from the list of devices detected by your computer or mobile .
Once the connection has been established, the LED indicator
4
will briefly flash blue twice
every 5 seconds .
Please note, your communication device must support Bluetooth
®
Standard 5 .0 to use all
options .
