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AC 3
Important safety instructions
Important safety instructions
• Read this instruction manual.
• Keep this instruction manual. Always include this instruction
manual when passing the device on to third parties.
• Heed all warnings and follow all instructions in this instruc-
tion manual.
• Clean only with a slightly damp cloth.
• Refer all servicing to qualified service personnel.
Servicing is required if the device has been damaged in any
way, liquid has been spilled, objects have fallen inside, the
device has been exposed to rain or moisture, does not operate
properly or has been dropped.
• WARNING: To reduce the risk of fire or electric shock, do not
use the device near water and do not expose it to rain or mois-
ture. Do not place objects filled with liquids, such as vases or
coffee cups, on the device.
• Only use the NT 3-1 table top power supply (see “Accesso-
• Do not block any ventilation openings. Install the device in
accordance with the instructions given in this manual.
• Do not install the device near any heat sources.
• Only use attachments/accessories specified by Sennheiser.
Replacement parts
When replacement parts are required, be sure the service
technician uses 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.
