LCD-40 Series Annunciators
Features of LDC-40 Only
6
Document 50327 Rev D1 1/14/99 P/N 50327:D1
1.2
Features of LDC-40 Only
• Enable/Disable key-switch
• Function switches for:
✓
Acknowledge
✓
Signal Silence
✓
Drill
✓
System Reset
• DIP switches control function switches and key-switch enable/
disable
Figure 1-1: Components
Future use
ON = Piezo Enable
OFF = Key-switch Disable on LCD-40 only
(not used on LCD-40L)
OFF = Receive only
Top view
Note: OPEN (Up)
position on SW1
is OFF state (See
ROM
The LCD-40 sounder, if enabled, will be
activated when any new alarm or trouble is
received from the panel. It is silenced by
an Acknowledge switch. Piezo must not be
disabled without approval of the LAHJ
(Local Authority Having Jurisdiction).
Piezo Sounder
Membrane Connector
Cable connection to membrane switches
for Acknowledge, Silence, Drill and Reset.
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