Sennheiser Active Transmitter Combiner 8:1 AC 3200 Instruction Manual page 5

Important safety instructions
Hazard warnings on the rear of the
AC 3200 active transmitter combiner 8:1
The label shown on the left is attached to the rear of the
AC 3200. The symbols on this label have the following meaning:
This symbol is intended to alert the user to the presence of
uninsulated dangerous voltage within the AC 3200's enclosure
that may be of sufficient magnitude to constitute risk of fire or
electric shock.
This symbol is intended to alert the user to the risk of electric
shock if the AC 3200 is opened. There are no user serviceable
parts inside. Refer servicing to qualified personnel only.
This symbol is intended to alert the user to the presence of
important operating and maintenance instructions in the
literature accompanying this AC 3200.
Overloading
Do not overload wall outlets and extension cables as this may
result in fire and electric shock.
Replacement parts
When replacement parts are required, be sure the service
technician has used replacement parts specified by Sennheiser
or those having the same characteristics as the original part.
Unauthorized substitutions may result in fire, electric shock, or
other hazards.
Safety check
Upon completion of any service or repairs to this device, ask the
service technician to perform safety checks to determine that
the device is in a safe operating condition.
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