Document No: LT0117 F4000 LCD Operator's Manual
Operating Instructions - Zone Functions
Issue 2.38 19 April 2002 Page 7-7
OPERATING SEQUENCE - ZONE RANGE (LOCAL) (CONTINUED)
The LCD will display the selected range of zones, i.e. zone n n n to zone m m m inclusive,
plus the options to isolate or de-isolate the range.
To isolate the range of zones, press:
To de-isolate the range of zones, press:
The LCD will display the selected range of zones, plus the choice of Alarm zones, Ancillary
Control zones, or All zones.
To isolate or de-isolate...
Alarm Zones only, press:
Ancillary Control Zones only, press:
All Zones, press:
7.2.4 NOTES
(a) Isolated zone(s) will register and indicate alarm and faults but are prevented from
operating system outputs.
(b) If the zone is in Auto-Reset mode, a zone de-isolate command will exit Auto-Reset
mode and leave the zone isolated.
(c) Any fault indication is unaffected by Zone Isolate/De-Isolate.
(d) An un-silenced alarm indication will go steady on isolate and any alarm will become
unsilenced on De-Isolate.
(f) For zone range de-isolate commands, any zones that are off-normal, i.e. Alarm,
Operated or Fault, will not be de-isolated, and at the end of the command the LCD
will display "Not All Zones De-Isolated". Use the Zone Status search functions to
determine which zones did not get de-isolated.
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