By B. Shackel (Auth.)
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Extra info for Applied Ergonomics Handbook. Volume 1
7b setting. 8b Redesigned layout. Applied Ergonomics Handbook 43 The layout of machines Where many controls have to be arranged round the operator, it is usual for a 'mock-up' of the equipment to be built to try out the key features of the design. In this way difficulties arising from confusion of function of different controls can be eliminated. 2 of chapter 1. Reaching controls and seeing displays adequately are important aspects of the layout of machines; therefore, most of the precepts already discussed, on the layout of panels, are relevant along with various topics and methods to lie discussed in chapter 6 on layout of work spaces, to which reference should be made.
Time and facilities must be allowed for a systematic search for the following kinds of information: An analysis of the operations that make up the task Body sizes of the people who will use the equipment Reaching and seeing requirements for adequate human performance Total space that could be made available to the operator for all feasible arrangements of the equipment Examples and sources of information of the first three kinds which may be helpful to design engineers, are given in the following pages.
Moving scale with fixed General factors Skirts: These are often useful for keeping the front panels clean. Skirt designs should be selected which enable an engraved index to be seen in spite of the fingers. Special skirts should be fabricated for edge lighted panels used under black-out conditions. A transparent pointer which allows light to penetrate should be used with back-lit panels. Coding: It may be desired to code the knobs according to function. This may be done by shape, size, colour or position.
Applied Ergonomics Handbook. Volume 1 by B. Shackel (Auth.)