46 NFS2-640/E Operations Manual — P/N 52743:F1 06/16/2011Read Status Operation Viewing and Printing a Read StatusA sample LCD display for a Program Change event:Figure 4.18 Sample Program Change Event DisplayHow to View Read Status for Alarm HistoryOption 4 ( ALARM HIST =4) lets you view the total number of alarms inthe History buffer (up to 200), then view each alarm in chronologicalsequence. From the “Read Status” screen, press 4, then press the ENTERkey to display the “Event History” screen. A sample Alarm Historyscreen is shown below:Figure 4.19 Sample Alarm History DisplayTo display alarms in the buffer, do the following:• Press the NEXT SELECTION key to step through each alarm from the first entry (oldest alarmfirst) in the buffer, or• Press the PREVIOUS SELECTION key to step through each alarm from the most recent entry inthe bufferA sample display for an alarm event:Figure 4.20 Sample Alarm Event Display4.4.3 How to Print Points, Event and Alarm HistoryOverviewRead Point options 1, 3, and 5 in the “Read Status” screen let you print points, event history, andalarm history. This section contains instructions for printing, as well as sample point, event history,and alarm history printouts.Message specifies theProgram Change option usedType of eventTime and date of the eventP R O G R A M C H A N G E 5 = Z O N E L A B E L C H G0 1 : 5 1 P 0 4 1 5 0 8 T u enext eventprevious eventThe number of alarms in the History buffeA L A R M H I S T O R Y S T A R T ( E S C A P E T O A B O R T )A L A R M S I N H I S T : 0 7 3NOTE: The NEXT SELECTION key will show the most recent event first, and then move to itsnormal function of displaying the oldest events first.Type Code of the devicethat alarmedType of event(ALARM)SLC address of thedevice that alarmedTime and date of the alarmA L A R M : P U L L _ S T A T I O N I N T E N S I V E C A R E U N I TE A S T E R N W I N G Z 0 0 4 0 3 : 1 0 P 0 4 1 5 0 8 2 M 1 4 7NOTE: Before printing, make sure your control panel is connected to a compatible printer andthe printer is configured according to the manufacturer’s specifications, and that the correct baudrate is selected at the panel.