1-2                    BeneVision N22/BeneVision N19 Patient Monitor Service Manual 
1.1.1 DANGER 
There are no dangers that refer to the product in general. Specific “Danger” statements may be given in the respective 
sections of this manual. 
 
1.1.2 Warnings 
 
WARNING 
  All installation operations, expansions, changes, modifications and repairs of this product should be 
conducted by Mindray authorized personnel. 
  There is high voltage inside the equipment. Never disassemble the equipment before it is disconnected 
from the AC power source. 
  When you disassemble/reassemble a parameter module, a patient leakage current test must be 
performed before it is used again for monitoring. 
  The equipment must be connected to a properly installed power outlet with protective earth contacts 
only. If the installation does not provide for a protective earth conductor, disconnect it from the power 
line and operate it on battery power, if possible.   
  Dispose of the package material, observing the applicable waste control regulations and keeping it out 
of children’s reach.   
 
 
1.1.3 Cautions 
 
CAUTION 
  Make sure that no electromagnetic radiation interferes with the performance of the equipment when 
preparing to carry out performance tests. Mobile phone, X-ray equipment or MRI devices are a possible 
source of interference as they may emit higher levels of electromagnetic radiation. 
  Before connecting the equipment to the power line, verify the voltage and frequency ratings of the 
power line are the same as those indicated on the equipment’s label or in this manual.   
  Protect the equipment from damage caused by drop, impact, strong vibration or other mechanical force 
during servicing. 
 
 
1.1.4 Notes 
 
NOTE 
  Refer to Operation Manual for detailed operation and other information. 
 
 
1.2 Equipment Symbols 
See the N series Operator’s Manual (P/N: 046-011259-00) for information about the symbols used on this product and its 
packaging.