Network Graphic Annunciator (NGA) Operations Guide P/N 9020-0675:B1 03/21/13 27
Walk/Drill Screen (Fire Drill Tab) Walk/Drill Screen
7.3 Walk/Drill Screen (Fire Drill Tab)
The screen that appears on the Fire Drill tab is similar to the Main Walk/Drill screen. Table 7.3.1
describes the buttons that appear on the Fire Drill screen.
7.4 Walk/Drill Screen (Audible Walk Test Tab)
The screen that appears on the Walk/Drill, Audible Walk Test tab screen is similar to the Main
Walk/Drill screen.
Table 7.4.1 describes the buttons that appear on the Audible Walk Test screen.
Fire Drill
Buttons
Description
Drill On This button turns on the system fire drill function for the selected region. All
nodes in the region will produce a trouble condition, set their Walk/Drill bit in
their system status map, and turn on any output devices that are configured to
respond to the system Walk Test/Fire Drill general output list.
Drill Off This button turns off the system fire drill function for the selected region. The
Fire Drill trouble condition will be restored on all nodes in the region and the
Walk/Drill bit in each node's system status map will be cleared. In addition, the
outputs configured for the system Walk Test/Fire Drill general output list will be
turned off.
Table 7.3.1 Fire Drill Buttons
WARNING:
Fire Drill must be turned off ONLY from the same node that initiated the fire drill.
Audible Walk
Test Buttons
Description
Test On This button turns on the Audible Walk Test function for the selected region.
All nodes in the region will produce a trouble condition, and set their
Walk/Drill bit in their system status map. During Audible Walk Test, the
NACs will sound twice for each SLC device related trouble event, sound
three times for supervisory off-normal events, and sound four times for
alarm events.
NOTE: During Walk Test, trouble conditions related to SLC devices will be reported
with the word "Test" appended to the Event Report. All other trouble conditions will be
reported normally.
Test Off This button turns off the Audible Walk Test function for the selected region.
The Walk Test trouble condition will be restored on all nodes in the region
and the Walk/Drill bit will be cleared for all nodes in the region.
Table 7.4.1 Audible Walk Test Buttons
WARNING:
Walk Test must be turned off ONLY from the same node that initiated the Walk Test.