Checklist for Controls
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| The controls are large | |
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| There is enough spacing between controls | |
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| Colours are used to link information | |
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| The active controls are clearly distinguished from labels and displays | |
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| A typeface with good contrast on a plain background is used | |
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| The labels and instructions are large and clear | |
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| The labels are not obscured when the control is used | |
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| The icons are meaningful and simple | |
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| The control shape relates to its function | |
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| The controls can be operated in low illumination conditions | |
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| Finger / hand reference points are available | |
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| Push buttons have a concave surface | |
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| The controls are differentiated tactually | |
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| There is a raised dot on the number '5' of a numeric keypad | |
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| The controls can be used with one hand | |
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| The controls are multi-functioning | |
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| Frequently used controls are located between waist and shoulder height | |
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| Similar functioning controls are grouped together | |
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| There is a logical sequence of operations | |
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| Not a lot of force is required to operate the control | |
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| The screen and the controls are colocated | |
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| The interfaces, messages and labels are consistent | |
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| The interface can be customised / configured by the user | |
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| There is auditory output for key presses and feedback | |
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| There is volume control for the auditory output | |
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| There is a headphone socket for auditory output | |
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| Tactile feedback is provided | |
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| There is a facility for correcting input errors | |
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| Training is provided in the use of the system | |
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| There is an intelligent help facility | |
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| Instruction manuals are available in alternative formats | |
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