80 guidance statements support this user need context:
- 2D alternative to 3D - For systems that provide three dimensional content, people may need three dimensional visual information presented using only two dimensions.
- Adaptable captions - As a person who uses captions or subtitles to access spoken content, and who also has moderate visual impairment, I need to be able to customize the presentation of captions and subtitles so I can read them effectively.
- Adjustable parts - For systems with physical input or output devices, people may need to adjust the location and position of the devices to have all of them within easy view and reach.
- Adjustable volume - For systems that present auditory content, people may need to adjust the volume of the system to a suitable level.
- Alternate versions - For systems that present language based content, may need alternative versions of the content (iconography, simplified, summarized, etc.)
- Alternative to auditory alerts - For systems that provide auditory alerts regarding critically important information, people may need to receive visual or tactile alerts instead.
- Alternative to holding - For systems that use buttons to input data, people may need an alternative input to holding a button down.
- Alternative to tactile alerts - For systems that provide visual alerts regarding critically important information, people may need to receive auditory or visual alerts instead.
- Alternative to visual alerts - For systems that provide visual alerts regarding critically important information, people may need to receive auditory or tactile alerts instead.
- Appropriate brightness - For systems that present visual content, people may need to change the brightness based on the viewing environment and situation.
- Appropriate speed - For systems that present dynamic images, people may need adjust the presentation speed to enable them to perceive and track them.
- Assistive technology-compatible - For systems with user interfaces, people may need content and operable elements to be accessed and presented through assistive technology.
- Audio characteristics - For systems that present auditory content, people may need to adjust specific characteristics of audio content, cues, and feedback.
- Audio control - For systems that present auditory content, people must be able to control the content ' s auditory content volume independently from the overall system volume level.
- Auditory equivalents - For systems with auditory content, people may need that content presented programmatically or need equivalent visual and tactile versions.
- Avoid auditory distractions - For systems with auditory output, people may need to avoid auditory distractions that may prevent them from focusing on a task.
- Avoid cognitive overloads - For system the presents content and other stimuli, people may need to avoid cognitive overloads?
- Avoid contrast changes - For systems that present content, people may need to avoid changes to the foreground color that reduce the contrast with the background color.
- Avoid excessive heat - For systems that require physical operation, people may need to limit the amount of heat (or other radiation) on controls so that it does not cause discomfort or injury.
- Avoid excessive heat - For systems that provide tactile content, people may need to limit the amount of heat (or other radiation) felt at touch points so that it does not interfere with their ability to perceive tactile information
- Avoid excessive vibration - For systems that provide tactile content, people may need to limit the amount of vibration so that it does not interfere with their ability to perceive information.
- Avoid glare - For stationary or installed systems, people may need to avoid reflective and environmental glare.
- Avoid interruptions - For systems that include notifications, advertisements, browser pop-ups, or other interruptions to task completion, people may need to avoid the unnecessary interruptions.
- Avoid olfactory distractions - For systems with olfactory output, people may need to avoid olfactory distractions that may prevent them from focusing on a task.
- Avoid overwhelming audio - For systems with audio content, people may need to avoid audio events that may overload their perception.
- Avoid overwhelming haptics - For systems with tactile content, people may need to avoid haptic effects events that may overload their perception or prevent them from completing a tactile task.
- Avoid overwhelming visuals - For systems with visual content, people may need to avoid visual events that may overload their perception.
- Avoid tactile distractions - For systems with tactile output, people may need to avoid tactile distractions that may prevent them from focusing on a task.
- Avoid visual distractions - For systems with visual output, people may need to avoid visual distractions that may prevent them from focusing on a task.
- Change to cultural conventions, words, and symbols - For systems that present text and images, people may need to change input and user interface components to use text or symbols with which they familiar.
- Changing content alternatives - For systems that provide changes in content (including state, role or value), people may need visual, auditory, and tactile indications of the change.
- Changing content programmatic - For systems that provide changes in content (including state, role or value), people may need programmatic indcations of the change.
- Clean accessible name - Relates to interactive equivalent
- Clear control behavior - For systems that include interactive components, people may need to understand what a control does, how it relates to other content, and how to use it.
- Consistent identification - For systems that include interactive components, people may need interactive components with the same functionality to be labeled the same.
- Control sensitivity - For systems that require physical operation, people may need to be able to adjust the sensitivity of controls.
- Default fonts - For systems that present text, people may need text to be written using a font and style that supports readability (example: avoids all caps, italics, and very light weights).
- Distinguish if actionable - For systems that include static and interactive components, people may need interactive components to be clearly distinguishable visually and programmatically from static content.
- Game speed - For system used to play games, people may need to be able to adjust the speed of game play.
- Haptic control - For systems with tactile content, people may need to be able to control haptic output.
- Harmful triggering content - For systems with potentially triggering content, people may need to identify sensitive content in advance and avoid it.
- Harmful visual content - For systems that provide visual content, people may need to identify flashing, motion, and other visual effects that can harm them and avoid it.
- Identify speaker - For systems with auditory content, people may need to easily identify the relationship between caption text and speaker.
- Interface access - For systems used to play games, people may need to access all areas of the interface with the same input method as the gameplay.
- Large scale layout - For systems with large scale display modes, people may need the visual relationship aspects of the layout to be preserved, and content not to be clipped.
- Magnification - For systems that present visual content, people may need to magnify or resize content.
- Monoaural information - For systems that present multi-channel audio information, including directional information, people may need the same information available in a monoaural form.
- Multi-frequency events - For systems that present audio alerts and other events, people may need them presented in multiple frequencies, including frequencies where their hearing may be better.
- Multiple simultaneous modalities - For systems that present information, people may need the information presented simultaneously in multiple preferred modalities (visual and audio; tactile and audio; visual and tactile; or visual, audio, and tactile).
- Mute all audio - For systems with audio output, people may need the ability to silence or mute all audio output.
- Name, role, value, state - Overlap with programmatic structure and relationships.
- No audio seizure triggers - For systems with audio output, people may need to to avoid auditory patterns that cause seizures.
- No chemical harm - People may need to systems made of safe material, that do not give off chemicals to which they are sensitive or have an allergy.
- No tone differentiation - For systems that present audio alerts, notifications, and other events, people may need characteristics other than tone differentiation to distinguish between different audio events or obtain information from such audio events.
- No visual seizure triggers - For systems with visual content, people may need to be able to avoid visual patterns that cause seizures or adjust the viewing of such visual patterns so that they are safe.
- No-color equivalents - For systems that use color to indicate meaning, people may need information provided through chromaticity to be available in another visual manner.
- Nontext contrast - For systems that present visual interface components and graphical objects, people may need these to have sufficient contrast with adjacent colors.
- Olfactory equivalents - For systems with olfactory or gustatory content, people may need that content presented programmatically or need equivalent visual, auditory, and tactile versions.
- Output modality choice - As a user with limited or no vision or with limited or no hearing, I need to be able to choose modalities to be used for outputs from the system.
- Personalized Interface - People may need to be able to customize their interface.
- Recognizable signals - For systems that provide alerts, people may need recognizable signals (including feedback and cues) for different alerts or other messages that use signals.
- Recognize human - For systems that use biometrics, people may need human-detection tools that recognize that people who do not look like everyone else are human and are present with equal reliability, for purpose of obstacle avoidance, non-bot verification, etc. This includes tools operated by other people.
- Reconfigure controls - For system that have physical input or output devices, people may need to remap and reconfigure my controls.
- Select audio stream - For a system with multiple audio streams, people may need to select and deselect different audio streams.
- Sign language characteristics - For systems with sign language, people may need sign language presented with sufficient size, resolution, magnification, speed, and contrast.
- Sign language characteristics - For systems that present auditory content, people may need sign language content in a sign language that they understand.
- Signposts - People may need clear signposts to indicate specific locations where functionalities can be found.
- Simple controls - For systems with input controls, people may need those controls to be simple.
- Simple controls - For systems with complex input controls, people may need simple alternatives.
- Status indicators - For systems with toggle controls that have states, people may need the state of the system available to them.
- Tactile symbol clarity - As someone who feels tactile symbols, I need to have tactile symbols with an appropriate level of clarity so that I can easily perceive, differentiate, or read them.
- Tactile text speed - As someone who reads tactile text, I need to have tactile text at an appropriate reading speed.
- Text alignment - For systems with text, I need text not to be set to full justify.
- Text contrast - For systems that present text, people may need text to have sufficient contrast with its background.
- Turn off visual output - For systems with visual content, people may need to turn off the visual output from a system.
- Unexpected movement - For systems with a visual interface, people may need content and controls to remain in the same relative location and not move unexpectedly.
- Use cultural conventions, words, and symbols - For systems that present text and images, people may need content and interfaces that use standard conventions, words, and symbols for the culture, with which they are familiar.
- Visual equivalents - For systems with media content, people may need audio descriptions or a text transcript available.
- Visual presentation control - For systems that present text, people may need to be able to control the visual presentation of the content including color, orientation, formatting, spacing, justification, and size.
- Within viewing range - For systems with physical output devices, people may need to have information and controls within their viewing range.