Specifications
Table Of Contents
- Safety instructions
- Intended use of the system
- Operating the EZL 2020-20 L charging case
- Servicing
- Symbols on adhesive labels attached to the EZL 2020-20 L charging case
- Attention! High Volume!
- Safety instructions for Li-poly and NiMH rechargeable batteries and batteries
- Additional safety instructions for the BA 2015 accupack and for batteries
- System components
- Overview of the system
- The operating controls
- SK 2020 D bodypack transmitter
- HDE 2020 D stethoset receiver
- EZL 2020-20 L charging case
- Indications and displays on the transmitter
- Indications and displays on the receiver
- Indications and displays on the charging case
- The functions of the transmitter operating controls
- The functions of the receiver operating controls
- The functions of the operating controls of the charging case
- Putting the components into operation
- Using the components
- The operating menu of the transmitter
- Care and maintenance
- If problems occur...
- Specifications
- Accessoires
- Manufacturer declarations

8
Safety instructions for Li-poly and NiMH rechargeable batteries and batteries
If abused or misused, rechargeable batteries may leak. In extreme cases, they may
even present
Sennheiser does not accept liability for damage arising from abuse or misuse.
Additional safety instructions for the BA 2015 accupack and for batteries
y a heat hazard,
y a fire hazard,
y a leakage hazard,
y an explosion hazard,
y a smoke or gas hazard.
Keep away from children. Observe correct polarity.
Do not heat above 70°C/
158°F, e.g. do not expose to
sunlight or throw into a fire.
Switch rechargeable battery-
powered devices off after use.
Do not expose to moisture.
Only charge rechargeable batteries
with the appropriate Sennheiser
chargers.
Do not short-circuit.
When not using rechargeable
batteries for extended periods of
time, charge them regularly (about
every three months).
Do not mutilate or
dismantle.
Only charge rechargeable batteries
at ambient temperatures between
10 °C and 40 °C.
Do not get fully charged but
unpacked rechargeable
batteries mixed up.
Immediately remove rechargeable
batteries from obviously defective
devices.
Do not continue to use
defective rechargeable
batteries.
Dispose of devices with rechargeable
batteries at special collection points
or return them to your specialist
dealer.
Only use original Sennheiser
rechargeable batteries.
Do not solder.
Immediately remove flat batteries/
rechargeable batteries from the
device.