2.7 Guidelines for Data Display

Organizing the display

1. Consistency of data display
2. Efficient information assimilation by the user
3. Minimal memory load on user
4. Compatibility of data display with data entry
5. Flexibility for user control of data display

• Be consistent in labeling and graphic conventions
• Standardize abbreviations
• Use consistent format in all displays
• Present a page number on each display page
• Present data only if they assist the operator
• Present information graphically where appropriate
• Present digital values only when knowledge of numerical value is necessary and useful
• Use high-resolution monitors and provide maximum display quality
• Design a display in monochromatic form, then add color judiciously
• Involve users in development of new displays and procedures

Getting the user's attention

• Intensity
• Marking
• Size
• Choice of fonts
• Inverse video
• Blinking
• Color
• Color blinking
• Audio