1 :' - "% ?4.3 Normal OperationWith no alarms or troubles in the system, the display message is System All Normal alongwith the current time and date as shown below. To set the time and date, refer to theappropriate section in this manual.The Unimode 9600 performs the following functions at regular intervals while in Normalmode:✓ Monitors AC input voltage and battery voltage✓ Monitors and reports status of SLC loop(s), option cards and control panel✓ Polls all devices on the SLC loop(s) and flashes each device LED while checkingfor valid replies, alarms, troubles, etc.✓ Refreshes LCD display and updates time✓ Scans control panel keypad for key presses✓ Performs autotest for all SLC devices✓ Tests memory✓ Updates and reads all communications busses (EIA-485, EIA-232, etc.)4.4 Trouble OperationWith no alarms in the system, the detection of a trouble will cause the following:• The piezo to pulse 1 second On and 1 second Off• The system Trouble LED to flash one second On and one second Off• The trouble relay to activate• TROUBL with device type, noun/adjective, address and trouble description willappear on the LCD display• The same message, along with the time and date, is sent to the optional printer andthe history buffer.Note that specific troubles will initiate additional actions; for example, loss of AC powerwill turn off the AC Power LED, a ground fault will turn on the Ground LED, etc.SYSTEM ALL NORMAL10:00A 010801
