1、 2.2 SAE Documents: ARP268G AS425C ARP450D ARP57 1 C ARP1 0688 AIR1093 ARP1 161 ARP1 782 ARP1 874 AMS 2521A ARP4032 AS8034 Location and Actuation of F1 ight Deck Controls for Transport Nomenclature and Abbreviations, F1 ight Deck Area Flight Deck Visual, Audible and Tactile Signal Flight Deck Contro
2、ls and Displays for Communication and Navigation Equ i pmen t for Transport Ai rcraf t Flight Deck Instrumentation, Display Criteria and Associated Controls for Transport Aircraft Numeral, Letter and Symbol Dimensions for Aircraft Instrument Di splays Crew Station Lighting - Commercial Aircraft Phot
3、ometric and Colorimetric Measurement Procedures for Direct View CRT Display Systems Design Objectives for CRT Displays for Part 25 (Transport) Ai rcraf t Reflection Reducing Coatings for Instrument Glasses Human Engineering Considerations in the Application of Color Electronic Aircraft Displays Mini
4、mum Performance Standard for Airborne Multipurpose Electronic Di splays Aircraft 2.3 Other: Supplement No. 2 Color Difference Equations - Psychometric to CIE Publication Color Terms No. 15 Recommendations on Uniform Color Spaces RTCA DO-16OB/EUROCAE ED-14B Environmental Conditions and Test Procedure
5、s for Airborne Equipment RJCA DO-l78A/EUROCAE ED-12A Software Considerations in Airborne Systems and Equipment Certification EIA RS-501 Recommended Practice for Measurement of X-Radiatlon from Raster Scanned Direct View Display Cathode-Ray Tubes EIA RS-502 Recommended Practice for Measurement of X-R
6、adiation from Non-Raster-Scanned Direct View Cathode-Ray Tubes EIA RS-503 UL1418 Recommended Practice for Measurement of X-Radiation from Direct View Display Cathode Ray Tubes Implosion Protected Cathode Ray Tubes for Television Type Appliances, Third Edition Revised October 3, 1983 COPYRIGHT SAE In
7、ternational (Society of Automotive Engineers, Inc)Licensed by Information Handling ServicesCOPYRIGHT SAE International (Society of Automotive Engineers, Inc)4.1.2 V!: All indicating means (indicia, pointers, symbols, etc.) on the useful display surface shall be completely visible from any eye positi
8、on within the instruments viewing envelope as specified by the equipment manufacturer. insure that the design eye position is within the instruments viewing envelope. The examination may be a combination of test, analysis, simulation, and/or flight test. NOTE: Cross cockpit viewing to the other pilo
9、ts displays should be provided to achieve the capability dictated by certain failure conditions of critical functions. may exceed 50 deg from a normal to the display. center panel or center pedestal should be visible to both pilots. Each installation should be examined to The off-axis angle is insta
10、llation dependent and Displays mounted on a 4.1.3 Symbol Aliunment: Symbols that are interpreted relative to each other (i .e., cursors on scales, command bars against reference points, etc.) shall be aligned at their midpoints to within 0.7 mr from any point within the instruments viewing envelope.
11、 di mens i ons See Table I for conversion to linear 4.1.4 Linearity: Within the central 80% of the useful screen, a symbol (preferably a square box) randomly placed should remain uniform in each dimension within *15% of that dimension. Outside of this 80% region, the tolerance is *20%. Verification
12、should typically be made on symbols with dimensions between 5 and 10% of screen diagonal. display jitter viewed from any point within the instruments viewing envelope. peak-to-peak as viewed from any point withln the instruments viewing envelope. 4.1.5 Jitter: For a static display it is desirable th
13、at there be no discernible In no case shall a display element jitter more than 0.5 mr 4.1.6 Converuence: The desired color of a line or symbol should always be . obvious and not cause misinterpretation, i.e., the width of any misconverged portion shall be no larger than the width of the desired colo
14、r. Typically the convergence of the beam centers for each of the primary colors should be within 0.65 mr within the central 80% of the screen and 0.85 mr over the entire screen, from any point within the instruments viewing envelope. Fig. 1 illustrates this requirement. 4.1.7 Line Width: readability
15、 of the data displayed. improve readability. intensity setting where the contrast ratio is greater than 10 should not exceed 1.5 mr over the entire screen. the contrast ratio may be below 10, the “visual line width“ of the prlmary colors should not exceed 3.0 mr over the entire screen. Line widths s
16、hould be sufficiently wide to preclude distracting visual effects when symbols move (i.e, rotate or translate) across the screen. shadowmask CRTs are used, the minimum line width shall be no less than 80% of the phosphor dot pitch for any intensity setting. times the pitch of a stripe patterned scre
17、en or 1.2 times the pitch of a dot patterned screen is typically required to avoid distractions at higher 1 umi nance settings . The CRT line width should be compatible with an adequate The line width may be increased to Line widths of the primary phosphor colors at any At high ambient light levels
18、where Where A line width of 1.4 COPYRIGHT SAE International (Society of Automotive Engineers, Inc)Licensed by Information Handling ServicesTABLE I - Conversion Table NOTE: Milliradians (mr) to inches (in) or to millimeters (mm) at a design eye distance, d, of 762 mm (30 in) which is a typical design
19、 eye distance. mr o. 10 0.15 0.20 0.25 O. 30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0.80 0.85 0.90 0.95 1 .o 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 a deg mi n 0.3 0.5 0.7 0.9 1 .O 1.2 1.4 1.5 1.7 1 *9l 2.1 2.2 2.4 2.6 2.8 2.9 3.1 3.3 3.4 5.2 6.9 8.6 10.3 12.0 13.8 15.5 17.2 h in O. 0030 O. 0045 O. 00
20、60 O. 0075 o. O090 0.0105 0.0120 0.0135 0.0150 0.0165 0.0180 0.0195 0.0210 O. 0225 O. 0240 O. 0255 O. 0270 O. 0285 O. 0300 O. 0450 O. 0600 O. 0750 o. O900 O. 1050 o. 1200 0.1350 O. 1500 mm 0.08 0.11 0.15 0.19 0.23 0.27 0.30 0.34 0.38 0.42 0.46 0.50 0.53 0.57 O. 61 0.65 0.69 0.72 0.76 1.14 1.52 1.91
21、2.29 2.67 3.05 3.43 3.81 mr 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 1 O0 a l deg mi n 1.8.9 20.6 22.3 24.1 25.8 27.5 29.2 30.9 32.7 34.4 51.6 1 9 126 143 2“ 1 217 235 2 52 3 9 326 3“43 4“ 1 418 435 452 5 1 O 544 h in 0.165 O. 180 0.195 0.210 O. 225 O. 2
22、40 0.255 O. 270 0.285 0.30 0.45 0.60 0.75 0.90 1 .O5 1.20 1.35 1.50 1.65 1.80 1.95 2.10 2.25 2.40 2.55 2.70 3.00 mm 4.19 4.57 4.95 5.33 5.72 6.10 6.48 6.86 7.24 7.6 11.4 15.2 19.1 22.9 26.7 30.5 34.3 38.1 41.9 45.7 49.5 53.3 57.2 61 .O 64.8 68.6 76.0 Notes: 1. h Z a d, h = Character height (distance
23、 unit) a = Angle (radians) d = Viewing distance (distance unit) Design Eye 2. This conversion table is for reference only. No performance criteria are implied. COPYRIGHT SAE International (Society of Automotive Engineers, Inc)a, U rn =- LL lnlLd II II II unu - FO t a, a, L a a, CY W J m a E W o u a
24、i= W W 3 O a, * U 2 CI U 8 t c W W L - I - 1- U r U QI CY n c 0 W IA CY W n 3 U O w ri( -I a, m 2- U s n c a, r7 f O II -, 2 + (AV“) 21 1/2 L* = 116 (Y/Yo 1/3 -16 Use Yo = maximum luminance of the white color for the lighting condition in which the display is being evaluated (both emitted and reflec
25、ted light) U* = 13L“ (u-uo) Use uo = 0.1978 Coordinates of V“ = 13L* (v-vo) Use vo = 0.4684 Illuminant D65 Standard COPYRIGHT SAE International (Society of Automotive Engineers, Inc)5.4 (Continued): Refer to Supplement 2 to CIE Publication No. 15, Recommendations on Uniform Color Spaces, Color-Diffe
26、rence Equations, Psychometric Terms NOTE: is a feasible suggestion. from the differences of the respective quantities for the colors being evaluated. There is no standardized definition of Yo. The proposed definition The delta (A) values of L*, U*, V* are derived 5.5 Contrast Ratio (CR): The contras
27、t ratio of a symbol in the presence of incident light is the ratio of symbol luminance (Bs) to background luminance (Bb) of the symbol. Bs Bb CR = - 5.6 Dark Ambient: Any ambient light level that contributes less than 1% of the display luminance value measured by a luminance measurement device focus
28、ed on the display surface. reflections off the display surface or any other means. This ambient contribution can result from 5.7 Design Eye Position (DEP): A point fixed in relation to the aircraft structure (neutral seat reference point) at which the midpoint of the pilots eyes should be located at
29、 the normal position. principal dimensional reference point for the location of flight deck panels, controls, displays, and external vision. (Refer to Fig. 2 of ARP268G. 1 The DEP is the 5.8 Display Surface: The outermost surface of the display unit through which the display image is projected. imag
30、ing surface, envelope glass, and all contrast and anti-reflective filter surfaces. The display surface includes the CRT 5.9 Instrument: Shall be considered to mean the specific unit or complete system for which this ARP is written. 5.10 Jitter: 5.11 Undesired, rapid movement discernible to a human e
31、ye located at the design eye position. Line Width: distribution. Width at 50% of peak luminance of the line luminance 5.12 Milliradian (mr): An angular measurement equal to 0.0573 deg defined as 0.001 of an arc whose length equals the circle radius. Table I converts milliradians to linear dimensions
32、 (inches and millimeters) for a viewing distance of 762 mm (30 in). 5.13 Pitch: On a patterned CRT screen, the distance from the center of the most fundamental screen element (e.g., red phosphor dot) to the center of the nearest like element (e.g., the nearest red phosphor dot). COPYRIGHT SAE Intern
33、ational (Society of Automotive Engineers, Inc)Licensed by Information Handling ServicesSAE ARP*11067 89 W 83573110 O027728 11 Viewing Envelope: manufacturer, containing as a minimum the total viewing angles in both the horizontal and vertical planes measured normal to the plane of the display surfac
34、e, and the minimum distance from the center of the display surface for which the instrument complies with this ARP. The limitation, as specified by the equipment Visual Line Width: human eye with or without the use of a magnifier. The total width of the display line as seen by the PREPARED BY SAE SU
35、BCOMMITTEE A-4ED, ELECTRONIC DISPLAYS OF SAE COMMITTEE A-4, AIRCRAFT INSTRUMENTS COPYRIGHT SAE International (Society of Automotive Engineers, Inc)Licensed by Information Handling ServicesA.3.1.1 Order: Copies of CIE documents may be obtained from Bureau Central DeLa CIE 52, Boulevard Malesherbes 75
36、008 Paris, France A.3.1.2 Special Instructions: None A.3.2 U: Electronic Industries Association generates many documents. The Joint Electron Device Engineering Council (JEDECI Electron Tube Council was disbanded and became the Tube Engineering Panel Advisory Council (TEPAC), so recent tube-related d
37、ocuments are TEPAC rather than JEDEC as in the past. EIAs most common document is the Recommended Standard (RS). A.3.2.1 Order: Copies of EIA documents may be obtained from: Electronic Industries Association Eng! neeri ng Department - Standard Sal es Off i ce 2001 Eye Street, N.W. Washington, D.C. 2
38、0006, U.S.A Phone: (202) 457-4966 A.3.2.2 Special Instructions: Orders within the U.S.A. should be paid in advance, if not, there will be an extra charge. Orders originating outside the U.S.A. must be accompanied by check. A.3.3 FAA: U.S. Department of Transportation, Federal Aviation Administration
39、 generates the Federal Aviation Regulation (FARs) in parts. Each part is sold on a subscription basis with automatic change distribution to subscribers. A.3.3.1 Order: Copies of FARs can be obtained from: Superintendent of Documents U.S. Government Printing Office Washington, D.C. 20402, U.S.A. A.3.
40、3.2 Special Instructions: None A.3.4 RTCA: Radio Technical Commission for Aeronautics coordinates efforts with European Organization for Civil Aviation Electronics (EUROCAE), so RTCA documents (DO-XXX) may have EUROCAE counterparts (ED-XX). A.3.4.1 Order: Copies of RTCA documents can be obtained fro
41、m: RTCA One McPherson Square 1425 K Street, N.W., Suite 500 Washington, D.C. 20005, U.S.A. Phone: (202) 682-0266 A.3.4.2 Special Instructions: All orders must be accompanied by payment in U.S. funds . COPYRIGHT SAE International (Society of Automotive Engineers, Inc)Licensed by Information Handling Services
