MIL STD- Design Criteria Standard, Human Engineering

Keywords design criteria standard human engineering MIL STD Feedback.

a. Use.
Feedback shall be provided which presents status information, confirmation, and verification of input throughout system interaction.

b. System-status.
Users shall be provided at all times with system-status information regarding operational modes and availability, either automatically or by request as needed.

c. Computer response.
Every input by a user shall produce a consistent, perceptible response output from the computer. In applications where the system intentionally produces no visual feedback as an indicator of invalid user input, an alternative form of feedback (e.g., different audio sound) shall be produced to ensure the invalid action is recognized by the user.

d. System response time.
Maximum system response times for real-time systems (e.g., fire control systems, command, and control systems) shall not exceed the values of table V. Non-real-time systems may permit relaxed response times. System response times for real-time and non-real-time systems shall not exceed the response time of the equivalent existing or predecessor system. If computer response time will exceed 1.0 second, the user shall be given a message indicating that the system is processing (for remotely handled automated systems, see 5.12).

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defense standard
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1.1 Scope.
This standard establishes general human engineering design criteria for military systems, subsystems, equipment, and facilities.
1.2 Purpose.
The purpose of this standard is to present human engineering design criteria, principles, and practices to optimize system performance with full consideration of inherent human capabilities and limitations as part of the total system design trade space to more effectively integrate the human as part of the system, subsystems, equipment, and facilities to achieve mission success.
1.3 Application.
This standard is applicable to the design of all systems, subsystems, equipment, and facilities, except where provisions relating to aircraft design conflict with crew system design requirements or guidelines of JSSG-2010. Unless otherwise stated in specific provisions, this standard applies to design of systems, subsystems, equipment, and facilities for use by both men and women. While this standard provides design criteria with respect to human capabilities and limitations, it is not intended to limit innovation in the design or selection of specific hardware, software, materials, and processes. This standard should be tailored by the Goverment as part of the contract. If it is not tailored by the Government, the contractor should determine any appropriate tailoring for the applicability to the system and recommend tailoring to the Government for approval.

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