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M3015a Measurement Server Extension Theory Of Operation - Philips M3001A Service Manual

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M3015A Measurement Server Extension Theory of Operation

Settings Transfer
The combination of the Measurement Server and the Measurement Server Extension can be
transported from one Monitor to another and still keep its measurement settings. The settings
(such as alarm limits) are stored in the Measurement Server. This behaviour permits fast and
easy transport
Alarms Reset
The Measurement Server Extension responds to the Silence/Reset key on the Measurement
Server which allows you to silence alarm tones, while retaining visual alarm messages
(depending on your Monitor's configuration).
Server-to-Monitor Link Bar
A double connector version of the Server-to-Monitor link bar allows quick and easy
connection to a Monitor on one side and a Measurement Server on the other. This allows the
Monitor to show waves and alarms of interest from both the Measurement Server and the
Measurement Server Extension.
The interface subsystem consists of the physical interface to the Monitor and the
Measurement Server and controlling software.
Digitized patient information transmitted over the link bar may be waves (e.g. for ECG,
pressure, respiration, etc.); numeric information (for heart rate/pulse, pressure values, and
respiration rate); or alert information (for alarms and assorted status information).
M3015A Measurement Server Extension Theory of
The application-specific software for the second pressure/temp and CO
runs on the main
CPU in the Measurement Server (see "Measurement Server Theory of Operation" on
page 21). The pressure/temperature and the CO
frontends communicate the pre-processed
physiological data via the Frontend Link Protocol to the application-specific software on the
main CPU of the Measurement Server.
The Temp/Press features available on the Extension are identical to those available on the
Server. The Temp/Press selections specific to the Extension are T2 and P2.
If you press the Zero key on the Server, all invasive pressure measurements in use are zeroed.
To set independent zero and labels for P2, however, go into the Setup window on the
If two temperatures are measured (one with the Server and one with the Extension), the
differential temperature (Delta Temp) is calculated by the Server.
For more information, see the section "Temperature and Invasive Blood Pressure (Temp/
Press) measurement" on page 37.
Introduction to the Instrument


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