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Cautions
Cautions are identified by the CAUTION symbol shown above.
Caution statements identify conditions or practices that could result in damage to
the equipment or other property.
CAUTION: Observe ESD (electrostatic discharge) precautions when working within
the unit and/or when disassembling and reassembling the monitor and when
handling any of the components of the monitor.
CAUTION: When reassembling the monitor, over-tightening screws could strip the
screw holes in the cases, rendering it unusable.
CAUTION: If there is a problem with the optional printer, check to make sure the
printer door is closed properly.
CAUTION: If the internal battery cable has been disconnected, pay particular
attention to polarity of the cable before reattaching. If the battery cable polarity is
reversed, it is likely that circuit damage will occur.
CAUTION: Ferrite Cores are used for electromagnetic compatibility. Please do not
remove Ferrite Cores while disassembling or reassembling, otherwise the monitor
can be affected by electromagnetic interference and cause inaccurate data to be
displayed or stored.
CAUTION: For continued protection against risk of fire, replace the fuse only with
the same type and rating of fuse.
Manual Overview
This manual contains information for servicing the M30 monitor.
The monitor is subsequently referred to as the monitor throughout this manual. Only
qualified service personnel should service this product. Before servicing the monitor, read
the operation manual carefully for a thorough understanding of safe operation.
Read and understand all safety warnings and service notes printed in this service manual
and the operation manual.
Related Documents
To perform tests and troubleshooting procedures, and to understand the principles of
operation and circuit analysis sections of this manual, you must know how to operate the
monitor. Refer to the monitor operation manual.
To understand the various SpO
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sensors, ECG leads, blood pressure cuffs, CO
2
sensors
and temperature probes that work with the monitor, refer to the individual directions for
use that accompany these accessories.
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