NFS2-3030 Operations Manual — P/N 52546:N1 06/20//2014 65Section 4: Viewing and Printing History InformationThe control panel maintains a history file of alarm, trouble, supervisory, and security events, eachwith a time/date stamp. An alarm history is maintained in a buffer that can include up to 1000events. All events, including alarms, are included in a 4000-event buffer. History events may beviewed onscreen, and a printed list may be generated.To choose a history display screen:Press the HISTORY SELECT soft key at the Main Menu. The following menu screen titled HistorySelect will appear.Press the soft key for the type of event history desired to view all of those types of events thatare in the history buffer,ORPress the TIME/DATE INTERVAL or POINT RANGE soft key to choose limiting parametersfor what will display onscreen.The following sections illustrate and explain the history displays.4.1 Events HistoryPressing a soft key on the History Select screen will display the history for whatever event typechosen. The SECURITY/OTHERS softkey will display disable, pre-alarm, active, active outputs,and security events. If the ALL EVENTS soft key is pressed, any events in the history file will dis-play, no matter what the type.The screen below is an example of what displays when the ALL EVENTS soft key is pressed. Thedisplayed fields are the same for each event type.L A K E V I E W G E N E R A L H O S P I T A LS Y S T E M N O R M A L1 1 : 5 8 : 4 5 A T U E J A N 2 5 , 2 0 1 1 N 1 2 4H I S T O R Y S E L E C TA L L E V E N T S S E C U R I T Y / O T H E R SA L A R M S O N L Y T I M E / D A T E I N T E R V A LT R O U B L E S O N L Y P O I N T R A N G ES U P E R V I S O R Y O N L Y B A C K