User Manual for Multi-parameter Patient Monitor North-vision Tech. Inc.
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Chapter 4 Operations
4.1 Initial Monitoring Screen
When the module configuration is “SpO2+NIBP”, once powered up, the LCD will display the
initial monitoring screen with SpO2 plethysmogram, this is the default display screen.
Figure 4.1 Default Display Screen
The LCD screen will display the information by different display views, short pressing “
” key
to shift screen display among 3 display views: SpO2 plethysmogram screen (default screen), SpO2
trend graph screen, and NIBP list screen. Long pressing “
” key will enter the setup menu screen.
For every display view, the display area is divided into 3 parts: title area, main display area, and
prompt info area (see Figure 4.1). The prompt info area contains 3 segment of information: status or
event indication at the left, patient ID number in the middle, real time clock at the right (also see
Figure 4.1)
4.1.1 Screen Description
Title area:
“PI: 3‰”: the perfusion index is 3‰; it displays only when “Setup Menu→SpO2→PI
Display” is set as “ON”.
“PLETH”: Mark of SpO2 plethysmogram
，
when “PLETH” displays in title area, the
main display area will be SpO2 plethysmogram, and this display screen is the default
screen.
Main display area:
When SpO2 sensor is placed on the patient and connected to the monitor well, a trace of sweeping
waveform (plethysmogram) will be displayed in the main display area (as shown in Figure 4.1).
If the SpO2 sensor is disconnected from the monitor or off from the patient, the plethysmogram will
become a base line in main display area and “Probe off” will appear at the left side of prompt info
area (as shown in Figure 4.2).
