MIL-STD-411F
CONTENTS
PARAGRAPH PAGE
4. GENERAL REQUIREMENTS................................................. .....................4
4.1 Aircrew station alerting system .................................................................4
4.1.1 Functional characteristics.......................................... ................................4
4.1.2 Selection and presentation of signals....................... ..................................4
4.1.2.1 Luminance contrast and levels...................................................................4
4.1.2.2 Selection of signals................................................... ................................4
4.1.2.3 Presentation of signals...............................................................................5
4.1.3 Signal displays ..........................................................................................5
4.1.3.1 Legends..................................................................... ...............................5
4.1.3.2 Color.......................................................................... ..............................5
4.1.3.3 Luminance and contrast.......................................... ..................................5
4.1.3.3.1 Transilluminated displays........................................ ..................................5
4.1.3.3.2 Electronic displays................................................... .................................5
4.1.3.4 Lettering...................................................................................................5
4.1.3.5 Visual signal flash rate...............................................................................5
4.1.3.6 Test systems .............................................................................................5
4.1.3.7 Alerting signals....................................................... ..................................5
4.1.3.8 Cancellation of master warning/caution signal..... ......................................6
4.1.4 NVIS lighting compatibility..................... .................................................6
4.1.4.1 Alerting system .... .................................. .................................................6
5. DETAILED REQUIREMENTS.....................................................................6
5.1 Dedicated signal assemblies.......................................................................6
5.1.1 Signal perception......................................................... .............................6
5.1.1.1 Light signal luminance...............................................................................6
5.1.2 Location and arrangement of signals......................... ................................6
5.1.3 Warning signals.........................................................................................6
5.1.3.1 Color............................................................................ ............................6
5.1.3.2 Legend......................................................................................................7
5.1.3.3 Luminance.................................................................. ..............................7
5.1.3.4 Presentation..............................................................................................7
5.1.3.5 Master warning signal reset.......................................................................7
5.1.3.6 Wheels warning legend (VSTOL aircraft)..................................................7
5.1.3.7 Wheels warning legend (VTOL aircraft)....................................................9
5.1.4 Caution signals..........................................................................................9
5.1.4.1 Color........................................................................... .............................9
5.1.4.2 Legend......................................................................................................9
5.1.4.3 Luminance................................................................. ...............................9
5.1.4.4 Presentation............................................................................................10
5.1.4.5 Master caution signal reset......................................................................10
5.1.5 Advisory signals......................................................................................10
5.1.5.1 Color......................................................................... .............................10
5.1.5.2 Legend....................................................................................................10
5.1.5.3 Luminance............................................................... ...............................10
5.1.5.4 Presentation............................................................................................10
5.2 Integrated alert displays................................................. .........................11
5.2.1 Benefit....................................................................................................11
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