91369 Service Manual 2-39
Setup
REFRESH
Selecting REFRESH initiates an update of the page.The WLAN card immediately scans for available APs and
associates with one of them. This process takes approximately 1 second.
System Information Screen Updates
The contents of the WLAN screen update in one of two ways:
Approximately every 10 seconds, a monitor prompts the WLAN card for current statistics. The monitor does
not otherwise instruct the WLAN card to perform any action.
Selecting REFRESH forces the WLAN card to disassociate or disconnect from access points (which causes
the WLAN card to scan for available access points) before the monitor asks for current statistics from the
WLAN card. This action immediately updates the screen.
In either instance, the monitor displays the information provided by the WLAN card.
The WLAN card firmware updates its list of available access points for one of three reasons:
• When the WLAN card becomes unable to communicate with the access point;
• When the WLAN card is told to disassociate or disconnect from an access point (for example, after the
user selects REFRESH); or
• Approximately every 5 minutes, if neither of the above instances occurs beforehand.
Define Patient Identifier (PI) String
The network-based Remote View and Alarm Watch features enable caregivers to monitor a patient's condition
by displaying that patient's data on monitors not connected to the patient.
To minimize any confusion of patient identity, any monitor that displays more than one patient's data uses a
dividing line to separate the data. The monitor also displays identifying information in the waveform zone for
every patient whose data is being remotely displayed. The identifying information, which displays in the lower
left corner of the waveform zone, consists of the monitor's five-character Monitor Name and a configurable
Patient Identifier (PI) string, which can be up to 40 characters in length.
To create the PI string, monitors gather identifying data from the Global Data System (GDS) memory of the
remote monitor as required by the PI Config string definition. Monitors then display this PI string to the right of
the monitor's name at the bottom of the Remote View or Alarm Watch display zone. This PI string is re-
evaluated when a new patient is admitted, a patient is discharged, a bed location changes, or any identifying
parameter changes.
At run-time, patient name items defined for inclusion in the PI string may be truncated to ensure they fit within
the available display space; general items are never truncated. Monitors also truncate the PI string so that it
does not run into or behind the parameter key and to ensure that it does not exceed the 40-character limit.
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