220.127.116.11.1 Numerical progression
On fixed-pointer,. moving scale indicators, numbers shall progress in magnitude in clockwise direction around the faces of circular dials (counter-clockwise dial movement for numerical increase) . On
vertical or horizontal straight moving scales, numbers shall increase from bottom-to-top or from left-to-right.
Numerals on moving scales shall be upright when in the reading position.
18.104.22.168.3 Alignment of pointer of fixed reference line.
For circular scales, alignment of the pointer or fixed reference line shall be in the 12 o’clock position for right-left directional information and in the 9 o’clock position for up-down information. For purely quantitative information, either position may be used.
Replaced/Superseded by document(s)
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|MIL STD- Human Engineering Design Criteria for Military Systems, Equipment, and Facilities (notice of change).pdf||application/pdf||1.55 MB||English||DOWNLOAD!|
1. This Military Standard h~s been approved for use by 211 Departments and Agencies of the Department of Defense.
2. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, US Army Missile Command, ATTN: AMSMI-RD-SE-TD-ST, Redstone Arsenal, AL 35898-5270, by using the self-addressed Standardization Document Improvement Proposal (DD’Form 1426) appearing at the end of ‘this document or by letter.
3. This standard establishes general human engineering criteria for design and development of Military systems, equipment and facilities. Its purpose is to present human engineering design criteria, principles and practices to be applied in the design of systems, equipment and facilities so as to:
a. Achieve required performance by operator, control and maintenance personnel.
b. Minimize skill and personnel requirements and training time.
c. Achieve required reliability of personnel-equipment combinations.
d. Foster design standardization within and among systems.