Revision B 120 Series Maternal/Fetal Monitor 7-1
2015590-001
Chapter 7
Calibration 7
This section of the manual provides a calibration procedure which allows authorized
service personnel to perform an instrument alignment using a minimum of test
equipment. This procedure is not intended to replace a complete instrument
checkout and alignment as performed at the GE factory. It should be considered a
performance check and troubleshooting guide to be used in conjunction with other
information supplied throughout this service manual. It is important to mention, this
section of the manual is not intended as a substitute for proper professional training,
or familiarity with the 120 Series Monitor. Only qualified service personnel should
attempt servicing the 120 Series Monitor.
This chapter contains the following information:
Before You Begin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Power Supply Voltages—Verification. . . . . . . . . . . . . . . . . . . . . . . . 7-3
Recorder Photosensor Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5
Display Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
Trimline Tocotransducer Calibration. . . . . . . . . . . . . . . . . . . . . . . . 7-20
Nautilus Tocotransducer Calibration . . . . . . . . . . . . . . . . . . . . . . . . 7-23
Maternal SpO2 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-28