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Printer Verification (for A1 Optional Printer M3925a) - Philips M3921A Service Manual

Patient monitors.
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General Operation

Printer Verification (For A1 Optional Printer M3925A)

28
Printer verification consists of connecting the printer to the monitor and the
monitor to a human subject for a qualitative test.
1.
Connect the output of the appropriate power supply, PS-240V or PS-120V, to
the labeled connector
printer's external power supply is connected, the printer front-panel charging
LED is lit.
2.
Connect the serial cable between the labeled connectors
rear panels of the monitor and the printer.
3.
The printer front panel communication LED
communications link is completed.
4.
Rotate the monitor wheel to highlight the setup icon
and ensure Communications Selection is
5.
Connect a M4787A sensor extension cable to the monitor. Connect an oxygen
transducer to the sensor extension cable. Attach it to the subject as described in
the sensor directions for use.
6.
Press the ON/STANDBY button
the monitor is operating.
7.
The monitor should stabilize on the subject's physiological signal in about 15 to
30 seconds. Verify that the saturation and heart rate is reasonable for the subject.
8.
Press the printer CONTINUOUS button
vital signs across the top of the paper, and that a SpO
marks, occupies the center portion of the paper. To terminate the printout, press
the CONTINUOUS button
9.
Disconnect the sensor and shut off the monitor.
on the rear of the printer. When the
is lit when the RS-232
Printer
.
to turn the monitor on and verify that
. Verify that the printout contains
waveform, with grid
2
again.
Performance Verification
on the
. Press the wheel

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