
MR-2300 Series LCD Version User Guide
5
Understanding On-screen Messages
The LCD screen of the fire alarm control panel displays messages regarding system events. System events display
on the screen in a queue. Events in this queue are listed on the screen in order of priority: alarms are of highest
priority, followed by supervisory, trouble, and monitor conditions. If the same type of event happens more than once
(for example, two trouble conditions occur successively) they will be listed in the order of the most recent event to
the least recent event. If an alarm, supervisory, or trouble condition occurs, their respective LED will flash.
Scroll through the events by using the and arrow buttons. If you need more information about a
displayed event, press .
Example 1 (detection circuit)
The message below indicates that event 1 of 9 is an open trouble at the East Lobby Entrance. When is
pressed, the screen shows that the process type is a verified alarm on Z-01 and the event occurred on Tuesday
April 4, 2003 at 18:01.
Example 2 (indicating circuit):
The message below indicates that event 2 of 9 is a short trouble at the East Wing Lobby. When is pressed,
the screen shows that the process type is silenceable on NAC-1 and the event occurred on Tuesday February 2,
2003 at 18:01.
2
ABC
8
TUV
INFO
INFO
EAST LOBBY ENTRANCE
OPEN TRB 01/09
VERIFIED ALARM Z-01
18:01 TUE 2003-04-04
ZONE
Message
EVENT
01 of 09
Process
Type
Physical
Zone No.
DATE
TIME
"INFO" Key
EVENT
type
INFO
EAST WING LOBBY
SHORT TRB 02/09
SILENCE-ABLE NAC-1
18:01 TUE 2003-02-02
"INFO" Key
ZONE
Message
EVENT
type
EVENT
02 of 09
Process
Type
Physical
Zone No.
DATE
TIME
ZONE
Message
Process
Type
Physical
Zone No.
“INFO” Key
EVENT
Message
EVENT
02 of 09
TIME
DATE
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