{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.multi-function-display","code":"thing-q1728534","url":"https://ver.cy/models/thing/q1728534/","name":"multi-function display","alternateNames":[],"kind":"thing","status":"published","version":"0.1.0-research.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.OBJ"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A multi-function display is an electronic instrument that presents several selectable or combined information functions on a shared screen, commonly integrating navigation, sensor and equipment-status information in aircraft, vessels or vehicles.","purpose":"Enable an AI agent to recognise a multi-function display, assess whether its displayed information is usable, and determine which display operations are appropriate in its installed context.","scope":{"in":["Supported information functions and their arrangement into pages, windows, overlays, and modes","Screen properties, readability, and operator interaction","Connections to information sources and interpretation of data validity","Display power states, faults, degraded operation, and recovery","Installation compatibility and evidence supporting permitted operational use"],"out":["Sensors and navigation receivers that originate displayed measurements","The complete aircraft, vessel, vehicle, or industrial system containing the display","Dedicated single-function instruments except as comparison or fallback relationships","General-purpose computers and monitors without an established operational multi-function display role","Underlying control equipment whose settings may be accessed through the display","Product-line catalogues and individual asset maintenance histories as independent models"],"boundaries":[]},"distinguishingFeatures":["One physical display supports multiple distinct operational information functions; changing brightness or colour alone does not establish multiple functions.","The functions appear through selectable pages, configurable regions, overlays, or context-dependent presentation rather than separate dedicated instruments.","The device has an established role in an operational system, distinguishing it from a generic screen that merely accepts arbitrary video.","Its boundary identifies whether it performs application processing itself or presents functions generated by a separate processor.","A display designated primarily for one role may also qualify, but the designation alone does not establish or exclude multi-function capability."],"structure":{"bundles":[{"id":"functional-identity","name":"Functional identity","description":"Establishes which operational functions make the device a multi-function display and where its boundary lies.","layers":[{"id":"function-repertoire","name":"Function repertoire","description":"Identifies distinct information functions and their availability.","findings":[{"id":"distinct-operational-functions","name":"Distinct operational functions","description":"Record the tasks served by each function and distinguish installed capability from optional capability.","questions":[{"text":"Which distinct operational tasks can this display support, and what evidence establishes each function?","id":"distinct-operational-functions-q01","kind":"definition"},{"text":"Which functions require additional licences, sensors, processors, or configuration before use?","id":"distinct-operational-functions-q02","kind":"boundary"}]}]},{"id":"equipment-boundary","name":"Equipment boundary","description":"Separates the physical display from external processing and neighbouring instruments.","findings":[{"id":"display-and-processing-allocation","name":"Display and processing allocation","description":"Locate page generation, application processing, and input handling within or outside the display unit.","questions":[{"text":"Does the unit generate operational pages internally, receive rendered imagery, or combine both approaches?","id":"display-and-processing-allocation-q01","kind":"boundary"},{"text":"What distinguishes this entry from a generic monitor, a dedicated instrument, and the complete integrated display system?","id":"display-and-processing-allocation-q02","kind":"definition"}]}]}]},{"id":"presentation-and-interaction","name":"Presentation and interaction","description":"Describes how operators find, interpret, and manipulate information across functions.","layers":[{"id":"page-and-mode-behaviour","name":"Page and mode behaviour","description":"Records page organisation, simultaneous views, and changes of context.","findings":[{"id":"information-visibility","name":"Information visibility","description":"Identify which information remains visible and which disappears as pages, windows, and overlays change.","questions":[{"text":"Which functions can be displayed simultaneously, and which compete for the same screen area?","id":"information-visibility-q01","kind":"definition"},{"text":"Which operator actions or system events change pages automatically, and how is the resulting mode indicated?","id":"information-visibility-q02","kind":"action"}]}]},{"id":"readability-and-controls","name":"Readability and controls","description":"Assesses viewing conditions and the meaning of operator inputs.","findings":[{"id":"usable-display-interaction","name":"Usable display interaction","description":"Connect readability and control behaviour to the actual operating position and environment.","questions":[{"text":"What evidence establishes legibility at the intended viewing distance, angle, and ambient illumination?","id":"usable-display-interaction-q01","kind":"measurement"},{"text":"How do operators identify the active window and current meaning of context-sensitive controls?","id":"usable-display-interaction-q02","kind":"definition"},{"text":"Which inputs only change the presentation, and which can command connected equipment?","id":"usable-display-interaction-q03","kind":"boundary"}]}]}]},{"id":"information-integrity","name":"Information integrity","description":"Connects displayed content to its origin, timeliness, and validity.","layers":[{"id":"source-mapping","name":"Source mapping","description":"Identifies information providers and transformations for each function.","findings":[{"id":"displayed-information-lineage","name":"Displayed information lineage","description":"Trace indications through source selection, processing, and any local calculation.","questions":[{"text":"Which sensor, processor, database, or received service supplies each displayed function?","id":"displayed-information-lineage-q01","kind":"provenance"},{"text":"How are selected sources, calculated values, units, and reference frames identified to the operator?","id":"displayed-information-lineage-q02","kind":"definition"}]}]},{"id":"freshness-and-validity","name":"Freshness and validity","description":"Distinguishes current usable information from retained or unreliable indications.","findings":[{"id":"invalid-information-handling","name":"Invalid information handling","description":"Record timing expectations and the visible response to source loss or invalid data.","questions":[{"text":"What update interval, information-age limit, and presentation latency apply to each operational function?","id":"invalid-information-handling-q01","kind":"measurement"},{"text":"When a source stops updating, does its indication disappear, freeze, change appearance, or receive an explicit warning?","id":"invalid-information-handling-q02","kind":"definition"},{"text":"What documented action is appropriate when displayed sources disagree or validity is unknown?","id":"invalid-information-handling-q03","kind":"action"}]}]}]},{"id":"availability-and-degraded-use","name":"Availability and degraded use","description":"Describes loss of display capability, partial failures, and supported recovery.","layers":[{"id":"power-and-startup","name":"Power and startup","description":"Records supply dependencies and the transition to usable functions.","findings":[{"id":"operational-readiness","name":"Operational readiness","description":"Distinguish an illuminated screen from completed startup and available operational information.","questions":[{"text":"Which power supplies and external services must be available before each function becomes usable?","id":"operational-readiness-q01","kind":"boundary"},{"text":"How long do startup and recovery take, and what indicates that required functions are ready?","id":"operational-readiness-q02","kind":"measurement"}]}]},{"id":"failure-and-fallback","name":"Failure and fallback","description":"Separates screen, input, application, and source failures and identifies alternatives.","findings":[{"id":"remaining-task-capability","name":"Remaining task capability","description":"Assess which tasks remain supported after a failure and whether alternative displays share the failed dependency.","questions":[{"text":"How can an operator distinguish a frozen page, failed backlight, lost input control, and unavailable source?","id":"remaining-task-capability-q01","kind":"definition"},{"text":"Which functions can move to another display or instrument, and what dependencies are shared with that fallback?","id":"remaining-task-capability-q02","kind":"boundary"},{"text":"Under which documented conditions may the unit be restarted, isolated, or used in a degraded mode?","id":"remaining-task-capability-q03","kind":"action"}]}]}]},{"id":"installation-and-service-control","name":"Installation and service control","description":"Connects physical integration and configuration changes to supported display behaviour.","layers":[{"id":"host-compatibility","name":"Host compatibility","description":"Assesses fit, connections, environment, and application-specific acceptance.","findings":[{"id":"installation-evidence","name":"Installation evidence","description":"Record the evidence supporting use of a particular display configuration in its host.","questions":[{"text":"What mounting envelope, cooling provisions, connectors, and communication interfaces does the installation require?","id":"installation-evidence-q01","kind":"measurement"},{"text":"Which environmental limits and applicable standards are documented, with issuing body, edition, and supporting evidence?","id":"installation-evidence-q02","kind":"provenance"},{"text":"Does the acceptance evidence cover the display alone or its particular integration with the host system?","id":"installation-evidence-q03","kind":"boundary"}]}]},{"id":"configuration-and-maintenance","name":"Configuration and maintenance","description":"Controls changes that can affect pages, source interpretation, and operational availability.","findings":[{"id":"serviceable-configuration","name":"Serviceable configuration","description":"Identify supported software, configuration, and maintenance procedures and their required verification.","questions":[{"text":"Which hardware, software, enabled options, and database versions define the supported configuration?","id":"serviceable-configuration-q01","kind":"provenance"},{"text":"What procedures govern cleaning, inspection, updates, configuration backup, and replacement?","id":"serviceable-configuration-q02","kind":"action"},{"text":"Which display, input, source-selection, and warning checks are required after a change?","id":"serviceable-configuration-q03","kind":"action"}]}]}]},{"id":"evidence-and-external-alignment","name":"Evidence and external alignment","description":"What the world already says about this thing, gathered so the model can be checked against it.","layers":[{"id":"reported-evidence","name":"Reported evidence","description":"Findings from the breadth pass, kept separate from the structural claims.","findings":[{"id":"evidence-confidence-notes","name":"Check these first","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these check these first hold for the sense of multi-function display this model covers, and on what evidence?","id":"evidence-confidence-notes-q01","kind":"provenance"}]},{"id":"evidence-kinds","name":"Kinds and varieties","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these kinds and varieties hold for the sense of multi-function display this model covers, and on what evidence?","id":"evidence-kinds-q01","kind":"provenance"}]},{"id":"evidence-identifiers","name":"Identifiers and schemes","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these identifiers and schemes hold for the sense of multi-function display this model covers, and on what evidence?","id":"evidence-identifiers-q01","kind":"provenance"}]},{"id":"evidence-standards-and-regulation","name":"Standards and regulation","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these standards and regulation hold for the sense of multi-function display this model covers, and on what evidence?","id":"evidence-standards-and-regulation-q01","kind":"provenance"}]},{"id":"evidence-real-world-use","name":"Real-world use","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these real-world use hold for the sense of multi-function display this model covers, and on what evidence?","id":"evidence-real-world-use-q01","kind":"provenance"}]},{"id":"evidence-measurements","name":"Typical measurements","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these typical measurements hold for the sense of multi-function display this model covers, and on what evidence?","id":"evidence-measurements-q01","kind":"provenance"}]},{"id":"evidence-failure-modes-and-hazards","name":"Failure modes and hazards","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these failure modes and hazards hold for the sense of multi-function display this model covers, and on what evidence?","id":"evidence-failure-modes-and-hazards-q01","kind":"provenance"}]},{"id":"evidence-neighbours","name":"Neighbouring kinds and how to tell them apart","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these neighbouring kinds and how to tell them apart hold for the sense of multi-function display this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Read and summarize information shown on a multi-function display for the crew who operate it.","Report display faults, failures and mismatches with other instruments."],"mustNot":["Change pages, modes or settings on a display used to control a vehicle, aircraft or ship without the operator's command.","Present display data as verified when sensors disagree or data is stale.","Load or alter software or databases on it outside the approved maintenance process."],"requiresHuman":["Accepting a display for service after a fault or software change.","Relying on it alone when other primary instruments have failed."]},"ethics":{"considerations":["Crews make safety-critical decisions from what these displays show.","Misleading or frozen displays have contributed to accidents."],"affectedParties":["Crew and operators","Passengers","People on the ground or at sea"]},"owners":{"steward":"The operator of the vehicle, aircraft or vessel; maintenance staff answer for its upkeep.","roles":[],"masterSystems":[]},"relations":[{"target":"Q16693356","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.multi-function-display","Wikidata: Q1728534 (https://www.wikidata.org/wiki/Q1728534)"]},"properties":{"applicability":"required","items":["Operational application: aviation | marine | road vehicle | industrial | other | unresolved","Supported function set: Named functions with available, licensed, configured, and unavailable status","Presentation arrangement: single selectable page | split screen | overlays | context-dependent pages | combinations","Active presentation: Current page, regions, overlays, selected sources, and focus","Display dimensions and resolution: Active width and height in mm; horizontal and vertical resolution in pixels","Luminance range: cd/m², with measurement conditions and dimming configuration","Input methods: touchscreen | bezel keys | rotary controls | remote controller | other combinations","Source and processing dependencies: Links to sensors, data networks, video sources, application processors, and shared services","Information age: ms or s by displayed function, distinguishing source age from presentation latency","Information validity: valid | stale | unavailable | invalid | estimated | unknown, per function","Power requirements: Supply range in V, frequency in Hz where applicable, and demand in W","Operating condition: off | starting | operational | degraded | failed | maintenance | unknown","Installed configuration: Hardware variant, software version, enabled options, databases, and host configuration"]},"recognition":{"applicability":"required","items":["A rectangular screen in a cockpit, bridge or dashboard surrounded by soft-key buttons.","Shows maps, engine data or sensor images that change with selected pages."]},"capabilities":{"applicability":"required","items":["Identify available operational functions and inspect the currently selected page, source, and mode.","Select or arrange information views within documented operating constraints.","Adjust brightness and presentation settings for the viewing environment.","Trace a missing, stale, or inconsistent indication to its source, connection, processing, or display dependency.","Assess whether a degraded display can support a specified task and identify documented fallback options.","Plan authorised configuration, update, cleaning, or replacement work using applicable procedures."]},"hazards":{"applicability":"required","items":["Display failure or wrong data can mislead the crew.","Cluttered or wrongly selected pages can hide critical alerts."]},"interfaces":{"applicability":"required","items":["IEC 60945, issued by the International Electrotechnical Commission, specifies general requirements and testing for maritime navigation and radiocommunication equipment and systems within its scope.","RTCA DO-160, issued by RTCA, defines environmental conditions and test procedures used in qualifying airborne equipment, including applicable display installations."]},"context":{"applicability":"required","items":["A multi-function display presents selectable navigation, sensor and equipment information on a shared screen in aircraft, vessels and vehicles.","Surrounding soft keys provide controls whose meanings change with the displayed page or operating mode.","Operators use the display to monitor conditions and access functions while interpreting information in the context of the installed system."]}},"sources":[{"title":"Wikidata item Q1728534: multi-function display","url":"https://www.wikidata.org/wiki/Q1728534","note":"identity and sense of the item"},{"title":"Wikipedia: Multi-function display","url":"https://en.wikipedia.org/wiki/Multi-function_display","note":"general description of the item"}],"openQuestions":["Does the registry intend the aviation-associated meaning of multi-function display or a broader kind spanning marine, vehicle, and industrial equipment?","Does an existing Vercy world model already cover this concept, requiring a link rather than a separate publication?","Where should the boundary fall for externally driven display heads and general-purpose tablets configured as operational displays?","Which authoritative manuals establish representative functions, dimensions, timing requirements, failure behaviour, and maintenance procedures?","Which standards and acceptance regimes apply in each included application, and what evidence is required before recording compliance?"],"resources":{"spec":"/models/things/publications/thing-q1728534/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q1728534/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T11:25:54Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T12:16:29+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}