3-1
3 Testing and Maintenance
3.1 Introduction
To ensure the pulse oximeter always functions normally, qualified service personnel should
perform regular inspection, maintenance and test. This chapter provides testing procedures
for the pulse oximeter with recommended test equipment and frequency. The service
personnel should perform the testing and maintenance procedures as required and use
appropriate test equipment.
The testing procedures provided in this chapter are intended to verify that the pulse oximeter
meets the performance and safety specifications. If the pulse oximeter fails to perform as
specified in any test, repairs or replacement must be done to correct the problem. If the
problem persists, contact our Customer Service Department.
The service personnel may ask the manufacturer for circuit diagrams, parts and components
list, operation manual, instructions for calibration and other documents needed for repairing
if necessary.
CAUTION
z All tests should be performed by qualified service personnel only.
z Care should be taken to change the settings in the [Maintenance] menus to avoid
loss of data.
z Service personnel should acquaint themselves with the test tools and make sure
that test tools and cables are applicable.
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