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Dialog

The user needs to open and close application windows and dialogs to access functionality.

Context

Whilst in the middle of a call, an operator needs to do something different, e.g., send a text message.

Forces

Inexperienced users may get stuck in dialogs if they do not know the concept of modality. Some may not even be familiar with the idea of application dialogs and windows at all.

Solution

Make all visible user interface controls accessible when dialogs are open, i.e. make the dialogs non-obtrusive. This can be achieved by:

Interactive Example

 

Safety Impact

Quick access possible to safety-relevant functions on the screen.

Usability Impact

Users do not have to bother to close a dialog before being able to proceed.

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