Washing Machine Menu Interface - PowerPoint PPT Presentation

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Washing Machine Menu Interface

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  1. Washing Machine Menu Interface Bernt Meerbeek Jimmy Wang Gregory Shapiro Nele Van den Ende

  2. Considered options • What is a menu? ISO 9241-14: “Set of selectable options” • Cascading menu • Menu-items vs. Command buttons? • Pie-menu (difficulty with hierarchy) • Checkboxes, radiobuttons, tabs

  3. Menu Program Show Start Help 1 Rinsing Spinning Quick Cotton Wool Delicates 2 Temperature Pre-wash Spinrate Economic Start 3 on / off on / off 600 800 1000 0 30 40 50 60 70 80 90 4 Menu structure

  4. Menu Interface: overview

  5. Menu Interface: overview

  6. Menu interface: keyboard accelerators • The number of keystrokes are minimized, because we only use the unique first letter of the option name (implicit designator) • Case equivalence (doesn’t matter if you use lower or upper case) • Easy rule for designators: • first letter of the option • ALT for alternating program; CTRL to control the properties of the washing program. Hence:

  7. Menu interface: guidelines • Logical categories and groups determined ‘programmes’ and ‘modes’ • Consistency determined that the relative order of groups is maintained • Order and frequency of use determined the sequencing of the options within a group • Navigational clues are provided with titles and graphic techniques • Rapid navigation is possible through hotkeys • Separate actions for selection and execution • Visual feedback is provided by the activation or highlighting of the selected options • There are pull-down menus for options that we consider occasional usage • Only the available options are presented once a command is chosen

  8. Pros and cons • Pros: • Menu structure: conventional/logical structure. • Navigation: distinctive and descriptive titles, simultaneous display, rapid returning to initial menu. • Allows working by recognition instead of recall. • Cons: • Deep structure. • Confusing selection. • May be insufficient for expert and high frequent user.

  9. Program Quick Cotton Wool Delicates Rinsing Spinning 1 Temperature Pre-wash Spinrate Economic Start 2 on / off on / off 600 800 1000 0 30 40 50 60 70 80 90 3 Menu Interface: structure

  10. Menu Interface: overview