Using the rs232 computer interface, Nurse call” interface – Welch Allyn Vital Signs Monitor - User Manual User Manual

Page 46

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Vital Signs Monitor

If streaming print mode is chosen, the printer must be activated after the Monitor is turned on.
Press the PRINT button and “Pr Str On” will appear in the systolic, diastolic and pulse rate displays
as the print header is printed. Patient information will now automatically print whenever data is
stored into the memory of the Monitor. To turn the streaming print function off, press the PRINT
button again. “Pr Str Off” will appear in the systolic, diastolic and pulse rate displays.

A batch printout may be initiated while in streaming print mode. First turn the streaming print func-
tion off by pressing the PRINT button. “Pr Str Off” will appear in the systolic, diastolic, and pulse
rate displays. Next, press and hold the PRINT button for 3 seconds. A batch printout will be printed.

Using the RS232 Computer Interface

The Welch Allyn Vital Signs Monitor includes an external RS232 Computer Data Interface Connec-
tor. With this option the user has the ability to upload stored data from the Monitor to a computer,
network, or Nurse Call system. Also, any user programmable options may be programmed via the
computer.

For more detailed information on using the RS232 computer interface, contact Welch Allyn Cus-
tomer Service.

“Nurse Call” Interface

All configurations of the Welch Allyn Vital Signs Monitor are capable of interfacing to a Nurse Call
system via two pins on the RS232 communications port. This allows alarm condtions to be recog-
nized at a central monitoring location, as well as at the Monitor itself. Both patient alarm conditions
and system alarm conditions are communicated to the Nurse Call System. See

“Alarm Indications

and Interpretation” on page 25

of the Operator Manual for information on patient alarm conditions

and interpretation.

WARNING:

It is the user’s responsibility to implement the interface between the Nurse Call system and
the Welch Allyn Vital Signs Monitor. It is also the user’s responsibility to adequately test the
interface between the Monitor and the Nurse Call system to ensure that the desired
functionality is operational.

WARNING:

It is the operator’s responsibility to set the Monitor’s programmable alarm limits as
appropriate for each individual patient. See

“Setting the Programmable Alarms” on page 22

for complete information.

The interface between the Monitor and the Nurse Call system will always be active whenever an
alarm condition occurs. Canceling or resetting an alarm on the Monitor itself will also cancel the
alarm signal to the Nurse Call System. Note that while the alarm sound will “flash” on and off dur-
ing an alarm condition, the Nurse Call output will be continuously ON until the alarm condition is
removed. Reference “APPENDIX B: Nurse Call Interface Wiring Diagram” on page 63.

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