3 guidance statements support this accessibility characteristic:
- No accessibility feature override - For systems with built-in accessibility features to access systems, people may need applications that do not override or defeat those built-in platform features.
- No disruption when activating access feature - People may need to be able to activate their desired modality without a serious disruption such as restarting the computer, closing and restarting an app, or leaving an active task in progress.
- Sign language characteristics - For systems with sign language, people may need sign language presented with sufficient size, resolution, magnification, speed, and contrast.