16: Time-Date - Fire-Lite MS-9600LS Manual

Read Status
Figure 4.1 illustrates a graphic representation of the maintenance levels:
Drift Compensation
Drift compensation uses software algorithms that identify and compensate for long-term changes in
the data readings from each addressable smoke detector. These long-term changes in detector data
readings are typically caused by dirt and dust accumulation inside the smoke chamber. Drift com-
pensation performs the following functions:
•
•
•
The FACP software also provides filters to remove transient noise signals, usually caused by elec-
trical interference.
4.23.16 Time-Date
The operator can view the daylight savings time and the month and week when daylight savings
READ STATUS
1=TIME-DATE
time will begin and end. Pressing 1 while viewing Read Status Screen #6 will display the following
screens:
Read Status Screen #6
MS-9600LS Series Manual — P/N 52646:B8 11/20/2015
DIRTY2
Maintenance Urgent
Table 4.1 Maintenance Alert Levels
Functional
Range
Figure 4.1 Diagram of Maintenance Levels
Samples each photoelectric smoke detector every 6 seconds and each ionization smoke
detector every 3 seconds
Allows a smoke detector to retain its original ability to detect actual smoke and resist false
alarms, even as dirt and dust accumulate
Reduces maintenance requirements by allowing the control panel to automatically perform the
periodic sensitivity measurements required by NFPA Standard 72
DAYLIGHT SAVINGS
ENABLED
START MONTH
START WEEK WEEK-2
Dust accumulation above the allowed limit.
DIRTY
Recommended
Range
LOW
VALUE
DAYLIGHT SAVINGS
END MONTH
YES
END WEEK
MAR
Operating Instructions
Maintenance Urgent
Maintenance Alert
Low Chamber Reading
NOV
WEEK-1
145