General Operation
28 Performance Verification
Printer Verification (For A1 Optional Printer M3925A)
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 on the rear of the printer. When the
printer’s external power supply is connected, the printer front-panel charging
LED is lit.
2. Connect the serial cable between the labeled connectors on the
rear panels of the monitor and the printer.
3. The printer front panel communication LED is lit when the RS-232
communications link is completed.
4. Rotate the monitor wheel to highlight the setup icon . Press the wheel
and ensure Communications Selection is
Printer.
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 to turn the monitor on and verify that
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 . Verify that the printout contains
vital signs across the top of the paper, and that a SpO
2
waveform, with grid
marks, occupies the center portion of the paper. To terminate the printout, press
the CONTINUOUS button again.
9. Disconnect the sensor and shut off the monitor.
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