•
The fitting of hygiene covers to the cushions, may
affect the acoustic performance of the ear-muffs.
Always use original accessories.
•
Do not push the earmuffs against the helmet shell. If
you do that, it can cause cracks around the side of
the helmet.
(Fig. 4)
•
Do not put the product in storage at temperatures
above +55°C, for example on a dashboard. Do not
put the product in storage at temperatures below
-20°C.
•
The wearer should ensure that the ear-muffs are
fitted, adjusted and maintained in accordance with
this operator's manual.
•
The ear-muff is provided with safety-related audio
input. The user should check correct operation
before use. If distortion or failure is detected, the
Introduction
WARNING:
before you assemble the product. Make
sure that the sealing rings are tight against
your head and around your ears before you
operate the product.
To put on the earmuffs with headband
1. Put the headband across the top of your head.
2. Move the earmuffs up or down to adjust the height.
(Fig. 5)
To assemble the earmuffs to a helmet
1. Assemble the correct adapter attachment type to the
helmet shell. Refer to
11 .
2. Assemble the helmet fork on the attachment
adapter. (Fig. 6)
Note:
Approved helmets on page 11 for
Refer to
more information about which helmet attachment is
applicable to your helmet.
3. Move the earmuffs to the lowest position.
4. Lift the earmuffs out and up until they lock in standby
position. (Fig. 7)
5. Do a mark on the cable.
a) For helmet H300, do a mark 27 cm/11 in (X) from
each earmuff.
b) For helmet Spire Vent X, do a mark 14.5 cm/6 in
(Y) from each earmuff. (Fig. 8)
6. Put the helmet attachment in the slot on the helmet.
(Fig. 9)
8
Move your hair to the side
Approved helmets on page
user should refer to the manufacturer's advice for
maintenance.
Battery safety
•
The earmuff is provided with level-dependent
attenuation. The user should check for correct
operation before use. If a malfunction or fault is
detected, the user should follow the manufacturer's
instructions for maintenance.
•
The product contains battery and electrical
components that may cause ignition in flammable or
explosive atmospheres. Do not use in environments
where sparks may cause a fire or explosion.
•
Only charge the product within temperature range
0°C to +40°C. Charging outside temperature range
can damage the electronics and battery.
Assembly
7. Continue to assembly instructions for your approved
helmet.
CAUTION:
not twisted or has a small bend radius. Make
sure that the cable can move smoothly into
the opening of the helmet.
To assemble the earmuffs to the helmet H300
1. Release the head harness from the helmet. (Fig. 10)
2. Attach the cable to the holes with the cable ties or
clips. (Fig. 11)
3. If you attach the cable with cable ties, cut the cable
tie and push the cable tie lock into the side slot.
4. Make a loop of the cable and attach the head
harness and neck protection. Make sure that the
cable is between the helmet shell and the head
harness. (Fig. 12)
To assemble the earmuffs to the helmet Spire
Vent X
1. Put the cable in a loop rearward.
2. Attach the cable to the head harness with cable ties.
Attach the cable tie through the backstrap of the
headband.
3. Cut the cable tie.
4. Put the remaining part of the cable in a loop
rearward, behind the rear headband. (Fig. 13)
To put the earmuffs in operation position
1. Put the helmet on your head.
2. Adjust the earmuffs until they are tight around your
ears and tight against your head. (Fig. 14)
Make sure that the cable is
2146 - 001 - 06.07.2023