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C o m m u n i c a t i o n
Real-Time Patient Data Output
The system provides real-time data output capability via the RS232 connector port.
A null modem cable must be connected from the display unit to the receiving
computer.
The information from the system in the real-time mode is sent in an ASCII serial
format at 9600 baud with 8 data bits, no parity, and 1 stop bit. The data are output
at a rate of once per second (on separate lines).
Real-time data may be printed or displayed by devices other than the pulse oximeter.
Upon power up, a header is sent identifying the format and the time and date.
Thereafter, the data are sent once per second by the system in one of the following
formats:
•
If DIP switch 8 is in the DOWN position, the data will be displayed as follows:
where XXX is the SpO
•
If DIP switch 8 is in the UP position, the data will be displayed as follows:
where XXX and YYY are the fast-responding SpO
•
If there are no data from the oximeter, the formats will appear as follows:
Nonin's Avant 4000 Digital Pulse Oximetry System includes an event marker
feature. Events are indicated by a single "*" whenever ON/STANDBY is pressed
to enter Battery Capacity Display mode. (ON/STANDBY may be pressed again to
exit, or Battery Capacity Display mode will time out after approximately 10 seconds.)
This feature can be used to mark exceeded alarm limits, or in other situations as
desired.
32
SPO2=XXX HR=YYY
value and YYY is the heart rate value.
2
SPO2=XXX HR=YYY F
SPO2=--- HR=---
SPO2=XXX HR=YYY*
and pulse rate values.
2
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