MIL-HDBK-1908B
Record uci. A group of related data fields that are operated on as a single entity in a database.
Remote tracks dsi. Tracks generated by other than the co-located sensors upon which the air defense system relies to acquire targets, e.g., tracks received from interfacing systems.
Restart uci. A capability that returns a user to the first display in a defined transaction sequence.
Risk gen./acq. An expression of possible loss of function and/or degradation in performance in terms of severity and probability.
Scenario/conditions acq. See "Task analysis."
Screen uci.. The viewing surface of a cathode ray tube. Also see "Page."
Scrolling uci.. An orientation for display framing in which the user conceives of data as moving behind a fixed display frame. The opposite of panning or windowing.
Seat reference point (SRP) gen.. The point at which the center line of the seat back surface (depressed) and seat bottom surface (depressed) intersect. When the seat is positioned at the midpoint of the adjustment range(s), this intersection point is called the neutral seat reference point (NSRP).
Sequence control uci.. Logic and means by which user actions and computer responses are linked to become coherent transactions
Shift mode uci. (Also shifted mode.) The condition of the keyboard when a SHIFT key is operated. In this mode, the alphabetic keys are associated with the uppercase letters, other character keys with the corresponding upper graphic symbol, and certain function keys with alternate functional operations.
Simulator sickness gen. A form of motion sickness induced in a virtual environment. Symptoms range from cold sweats and stomach awareness, to vomiting. Depending on their severity, the symptoms may degrade operator/system performance.
Soft copy uci. In computer graphics or telecommunications, data stored, transmitted, or displayed in an electronic format.
Sound level snv. The quantity in dB measured by a sound level meter satisfying the requirements of ANSI S1.4. Sound level is the frequency weighted sound pressure level obtained with the standardized dynamic characteristics "fast" or "slow" and weighting A, B, or C. If the weighting employed is not indicated, A-weighting is understood.
Sound pressure level (SPL) snv. Ten times the logarithm to the base 10 of the ratio of the time- mean-square pressure of a sound in a stated frequency band, to the square of the reference sound pressure in gases of 20 micropascals, i.e.,
P
SPL = 10 Log10( 20µPa ) = 10 Log10(P ) + 94
where P = the effective (rms) sound pressure in pascals (Pa) or newtons per square meter (N/m2). (20
µPa = 20 µN/m2 = 0.0002 microbar = 0.0002 dynes/cm2.)
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