Instruction manual Digital 9000 System

Important safety instructions
8 | Digital 9000
Safety instructions for A/AB/AD 9000 antennas/antenna
boosters
Use safety wires to protect the receiving antennas against tipping/drop-
ping. The safety wires, rope terminations and coupling links must comply
in their dimensioning and condition with the regulations and standards of
the country in which they are used!
Safety instructions for lithium-ion rechargeable batteries
If abused or misused, the rechargeable batteries of the SK 9000/SKM 9000
may leak. In extreme cases, they may even present a risk of
Sennheiser does not accept any liability for damage arising from abuse or
misuse.
•explosion,
• fire development,
• heat generation,
• smoke or gas development.
Keep away from children. Only charge
rechargeable batteries
with a charger
recommended by
Sennheiser.
Observe correct polarity. Pack/store charged
rechargeable batteries
so that the terminals
cannot contact each
other – danger of
shorting out/fire hazard.
Do not expose to moisture. Switch rechargeable
battery-powered
products off after use.
Only charge rechargeable
batteries at ambient
temperatures between
10 °C/50 °F and 40 °C/
104 °F.
When not using
rechargeable batteries
for extended periods of
time, charge them
regularly (about every
three months).
Do not mutilate or dismantle. Do not heat above
60 °C/140 °F, e.g. do not
expose to sunlight or
throw into a fire.
Immediately remove
rechargeable batteries from
an obviously defective
product.
Do not continue to use
defective rechargeable
batteries.