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“Oil-Less” Scroll Medical Air


           Appendix D:  TotalAlert Embedded Control System



           D.2.12   5.7” Settings Screen                       D.3  PCB2 (3.5” Display Controller)

                                                               D.3.1   Basic Software Architecture


                                                               The primary purpose of PCB2 is to drive the LCD
                                                               display for the 3.5” Unit screen.  Its other functions
                                                               include the following.

                                                               1.  Communicate to the Pump Controller Board
                                                                   (PCB4) via a RS-485 bus to relay commands
                                                                   from the touch screen interface and display
                                                                   messages from the pump controller.

                                                               2.  Interface to the 3.5” Display touch screen to
                                                                   interpret the user interaction.
           Figure D.14 Settings Screen
                                                               3.  Accept new fi rmware via the Ethernet jack when
           The settings screen (Figure D.14) allows the            connected to a PC confi gured  with  genuine
           selection of various sub screens that pertain to        BeaconMedaes software for reprogramming.
           system confi guration data.  All value/adjustment
           changes are password protected.                     D.3.2   3.5” User Interface for Source Systems

           •  Pressure/Vacuum – Allows the adjustment of
              system pressure or vacuum operating range.


           •  Audible – Allows the horn to re-initiate if an
              alarm or shutdown event has not cleared, but
              the horn was silenced.  The allowable values
              for re-initiate time are never, 15 min, 30 min, 1
              hour, 8 hours, and 24 hours.

           •  Language – Allows the choice of pre-defi ned
              display language.

           •  Units – Allows the display units to be displayed
              and changed.                                     Figure D.15 Unit Screen

           •  Model – Displays the pertinent system model      The primary unit screen user interface (Figure D.15)
              information.                                     is displayed on a 3.5” 240 x 320 pixel display.  The
                                                               interface is designed such that any information can
           •  Date/Time – Allows the date/time to be           be accessed with a minimal amount of touches by
              displayed and changed.                           the user.

           •  Network – Allows the network (IP address, etc)   The 3.5” screen is divided into two main areas –
              to be displayed and changed.                     the top portion above the toolbar which changes
                                                               depending on the icon selected on the toolbar
           •  General – Allows the miscellaneous general       and bottom portion which contains the toolbar
              information to be displayed and changed.         (Figure D.16) and is visible on most screens.

           4107 9000 69.06                                  D-8
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