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Dimensions
(maximum):
Length
...................................
14.75
in. (375 mm)
Width
.1" . ................................... 2.42 in. (61.5 mm)
Height
.................... .................. 7.62 in. (194mm)
Weight
.. .. .... .. ... .. .. .. ....... ....... .. .... ...
6.751b
(2.7G
kg)
Power
..................... ...........................
28Vdc,
lA
Mating Connector
.......................... DPX2MA-67S-67S-33B-O011
Mounting
........................................... Mounting Tray,
Honeywell Part No. 7011839-901
LP-850 Lightning Sensor Processor
Leading Particulars
Table 12-1
The processor receives signals which are naturally generated by
lightning activity, and determines their range from this energy
distribution. At the same time, bearing is computed by means of antenna
crossed
loops
in a manner
similar
to an
ADF.
The output data is converted to an ARINC 429 low-speed architecture for
display on the ND.
However, label assignments do not conform to ARINC
429.
The data stream contains range, bearing, and severity data for up
to 50 cells.
The 429 data contains all data available for a 360-degree
area with a radius of 125
NM around
the aircraft,
and it is the task of
the display
device to determine which cells fall within its display
area.
Mode selection is provided by the LU-860 Lightning Sensor Controller.
When the antenna assembly is mounted on the aircraft, four manual
adjustments may be required.
The adjustments are intended to correct
the magnetic and electric field distortion caused by the aircraft.
The
correction factors for each aircraft type and antenna mounting location
will be predetermined and plainly marked on a label (Honeywell Part No.
7013068-000) to be located adjacent to the LP-850.
The factors are
implemented using switches S1 - S4 located on the LP-850 front panel.
22-14-00
Page 198~173
Apr 15/93
Use or disclosure
of information
on this page is subject
to the restrictions
on the title page of this document.
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