Document No: LT0117 F4000 LCD Operator's Manual
Operating Instructions - Point Functions
Issue 2.38 19 April 2002 Page 8-5
OPERATING SEQUENCE - SPECIFIC POINT ANALOGUE LEVELS (CONT'D)
Note that the temperature reading of the T131A heat detector is only accurate in the range
of 50°C to 70°C. At room temperature (eg 25°C) the error in the temperature reading is
typically ±10°C.
If the temperature displayed is 20°C then the actual temperature could be anywhere below
30°C. If the temperature displayed is below 20°C, then the value returned by the sensor is
invalid and a fault may be generated.
There may be a brief delay before the current level (CL) value is displayed, while the FIP is
retrieving all of the information required before the CL calculation can be made.
If this command is entered for an ADR/ARR point, the display will show “No Recall
Information Available”.
Display Formats
The display for analogue detector analogue levels is:
CL:m n PS:p AS:q xxx
where m = Detector's current analogue level
n = Type A thermal detector rate of rise
p = Detector's pre-alarm sensitivity
q = Detector's alarm sensitivity
xxx = Appropriate units for current level and sensitivity, i.e. %/m, MICX or °C.
Analogue points that are not smoke or heat detectors display current levels as:
CL:0 PS: AS:
I.e. CL is forced to 0 and the sensitivities are left blank as they are not appropriate.
To view the current levels of other points, press:
to view the analogue levels for the next configured point.
to view the analogue levels for the previous configured point.
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