II 
 
Preface 
Manual Purpose 
This manual provides detailed information about the assembling, dissembling, testing and 
troubleshooting of the equipment to support effective troubleshooting and repair. It is not 
intended to be a comprehensive, in-depth explanation of the product architecture or 
technical implementation. 
 
This manual is based on the maximum configuration and therefore some contents may not 
apply to your product. If you have any question, please contact our Customer Service 
Department. 
 
Observance of the manual is a prerequisite for proper equipment maintenance and prevents 
equipment damage and personnel injury. 
 
 
Intended Audience 
This manual is for biomedical engineers, authorized technicians or service representatives 
responsible for troubleshooting, repairing and maintaining the equipment. 
 
 
Passwords 
A password may be required to access different modes of the following equipments. The 
passwords are listed below: 
  User settings:          888888 (User adjustable) 
  Factory maintenance:    332888 
  Demo mode:           2088 
  Configuration mode:        315666 (User adjustable)