Sennheiser 2020 Headphones User Manual


 
3
Important safety instructions
The warning on the EZL 2020-20 L charging case
This label shown on the left is on the back of the
device. The symbols have the following meanings:
This symbol warns of the risk of electric shock due to
high internal voltages.
This symbol warns of the risk of electric shock. The
device must not not be opened. There are no
components inside the device which can be repaired
by the user. Refer all repairs to qualified customer
service personnel.
This symbol indicates that the manual accompanying
this device contains important operating and
maintenance instructions.
Overloading
Do not overload wall sockets or extension cords. This
may result in fire or electric shock.
Replacement parts
When replacement parts have to be installed, ensure
that the service technician uses replacement parts
recommended by Sennheiser or replacement parts
with the same features as the original parts.
Incompatible replacement parts can cause fire, electric
shock or pose other risks.
Safety check
Have the service technican perform safety checks
after finishing the service or repairs to ensure that the
equipment is in safe working order.