Programming
Visual Indicators
LDC Display
The primary display is a back-lit, super-twist Liquid Crystal Display
(LCD). This display provides four lines with twenty alpha-numeric
characters on each line. As a power saving measure, the back lighting
is activated by any change of state, off-normal condition or front panel
switch activation. Time and date information is automatically updated
from the network controller. Point address information is not
automatically displayed. If this information is required, it must be
included as part of the text message. The LCD back lighting will turn
off after 4 minutes if there is no switch activity and no
unacknowledged messages are waiting.
Sample messages are shown below for annunciators connected to IRC-
3 or FCC networks:
No Messages Pending:
JAN 23 01:12:56 M000
= Date, Time, # of unacknowledged messages
Sample IRC-3/FCC Alarm Message:
JAN 23 01:12:56 M123
FIRE ALARM LLPPZZ
Custom Label entered
thru the IBM PC
= Date, Time, # of unacknowledged messages
= Alarm Type and Alarm zone address
= Custom message on two lines
Sample messages are shown below for annunciators connected LSS4
Fire Alarm Panels:
No Messages Pending:
SCREEN LABEL M000
= Screen Label and # of unacknowledged messages
LSRA Installation, Operation, Maintenance, and Configuration Manual 5.3
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