Nellcor N-200 Operator's Manual page 53

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Guide to Operation

To Print a Specific Event: press the LOW SAT and LOW

RATE buttons, and turn the control knob until the identifier

for the desired event appears in the display. Then release the

buttons and within 10 seconds press the EVENT button. The

event is then printed. (Also, pressing the EVENT button for at

least 3 seconds and then turning the control knob until the

identifier for the desired event appears causes that event to be

printed.)

The identifiers for events are the same as those printed on the

ThinkJet output: a letter that indicates the type of event, and

the hour and minute at which the event started.

Using an Analog Strip-Chart Recorder: Connect the strip-

chart recorder to the N-200, as described in the Connecting to

Other Instruments section. Calibrate the recorder, adjust the

settings as necessary, and confirm proper operation. If the

N-200 is also connected to a graphics printer, that printer must

be turned off. Otherwise, the event data will be printed by the

graphics printer rather than the strip-chart recorder.

To Print the Event Memory: press the EVENT button on the

back of the N-200. Approximately 10 minutes of data is printed

each minute. Events are separated by a zero-voltage output on

each channel. The earliest event and earliest data are

presented first. The following automatic markers appear on the

event graphs printed by an analog strip-chart recorder:

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Troubleshooting