钻石40飞机维护手册 DA 40 SERIES AMM 3(110)

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%  airplane's intended track. 
%  ) Outer Range Ring - is the outer boundary of viewable strike data within the selected range. (for 
%  example: 200 nm, 100 nm, 50 nm, 25 nm) 
%  ) Half Range Ring - is half the distance from the airplane to the outer range ring, for the selected 
%  range. 
%  ) Strike Data - is plotted on the display as bright orange dots to indicate the location, range and 
%  severity of detected lightning activity. 
%  ) Range Indicators - are used to show the current viewing range selected. They indicate the 
%  distance from the airplane to the outer range ring. 
%  ) Range Cursor - highlights one of the four range indicators to show selected range view (defaults 
%  to 200 nm). 
%  ) Alphanumeric Indicator - appears as large digits in the lower left quadrant of the display. 
%  Provides readout of range selection, Time Travel function and troubleshooting codes. 
% 
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%) Airplane Symbol - represents your airplane.
%) Ultra Bright LED or Gas Plasma Display - consists of a 2.5-inch diameter viewable area. It % displays strike data and status messages with bright orange dots against a black background.
%) Automatic Test Status Annunciator - appears in the center of the display as a 'Walking Dot', % which moves in a clockwise direction. The presence of this dot means the strike finder has % successfully passed all automatic diagnostic tests.
%) Zoom-In/Zoom-Out Buttons - permit the operator to step through the range selections (25-50-% 100 & 200 nm), smoothly altering the distances viewed on the display.
%) Time Travel Button - allows the pilot to display recent strike data history - compressing about % one hour of storm activity into a one minute presentation.
%) Clear Display Button - clears the display of all dots but does not erase the strike data history % employed by the Time Travel function.
% B. Strike Finder Sensor
% The Insight strike finder sensor is located behind the COM #2 antenna. The sensor contains % sensitive circuit to detect magnetic energy and convey the direction and magnitude of such energy % to the display for actual depiction to the pilot.
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% Trouble-Shooting % 1. General
% The table below lists the defects you could have with the strike finder System. If you have the trouble % detailed in the Trouble column read across to the Possible Cause column. Then do the repair given % in the Repair column.
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Trouble  Possible Cause  Repair 
Strike finder display does not operate.  Circuit-breaker not set. Faulty strike finder display. Faulty cables/connectors.  Set the circuit-breaker. Repair or replace the strike finder display. Do a test for continuity on each cable. Do a test for short circuit to ground and between cables. Replace defective cables. 
Note: The display is reverse-polarity protected, and contains a self-resetting fuse. If the fuse trips from overload or reverse polarity, it will require several seconds to reset itself. 
Display 'Sunburst Test' shows blank lines or blank pixels.  The display has a driver or connection fault.  Repair or replace the strike finder display. 

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% Maintenance Practices % 1. General
　
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