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Proper ergonomics at the workstation is a common topic considered. [6] [7] [8] The data entry clerk may also use a mouse, [9] [10] and a manually-fed scanner may be involved. [11] Speed and accuracy, not necessarily in that order, are the key measures of the job. [12]
The user can continue interaction right from the current mouse position and doesn't have to move to a different preset area. Many operating systems use this when displaying right-click context menus. As the menu starts right on the pixel which the user clicked, this pixel is referred to as the "magic" or "prime pixel". [25]
In general, ergonomic keyboards are designed to keep the user's arms and wrists in a near-neutral position, which means the slant angle (the lateral rotation angle for the keys in each half relative to the axis of the home row in a conventional keyboard) is approximately 10 to 12.5°, the slope (the angle of the keytop surfaces starting from the front edge closer to the user towards the top of ...
Commonly, ergonomic issues can arise in an office setting. [12] [13] Many people who work in an office (either a home office or a formal office building) often spend hours sitting and working in the same position. Ergonomic considerations include chair and computer monitor height adjustment, lighting position, break frequency, and chair design ...
ISO 9241 is a multi-part standard from the International Organization for Standardization (ISO) covering ergonomics of human-system interaction and related, human-centered design processes (see also human-computer interaction). It is managed by the ISO Technical Committee 159.
The velocity of the pointer depends on the applied force so increasing pressure causes faster movement. The relation between pressure and pointer speed can be adjusted, just as mouse speed is adjusted. On a QWERTY keyboard, the stick is typically embedded between the G, H and B keys, and the mouse buttons are placed just below the space bar ...
Although originally titled Ergonomic requirements for office work with visual display terminals (VDTs), it has been retitled to the more generic Ergonomics of Human System Interaction. [19] As part of this change, ISO is renumbering some parts of the standard so that it can cover more topics, e.g. tactile and haptic interaction.
Ergonomic posture: Adjust your chair and body for a straight and comfortable posture. Use a monitor at the correct height if you work on a laptop, in order to avoid putting strain on your neck. Eye exercises: Follow the 20-20-20 rule (every 20 minutes, look at something 20 feet or 6 meters away for 20 seconds). [21]