percent without loss of content or functionality. 1.4.5 Images of Text: If the technologies being used can achieve the visual presentation, text is used to convey information rather than images of text except for the following: • Customizable: The image of text can be visually customized to the user's requirements; • Essential: A particular presentation of text is essential to the information being conveyed. Supported Principle 2: Operable User interface components and navigation must be operable. Guideline 2.1 Keyboard Accessible Make all functionality available from a keyboard. Criteria Supporting Feature Remarks and Explanations 2.1.1 Keyboard: All functionality of the content is operable through a keyboard interface without requiring specific timings for individual keystrokes, except the underlying function requires input that depends on the path of the user's movement and not just the endpoints. Supported 2.1.2 No Keyboard Trap: If keyboard focus can be moved to a component of the page using a keyboard interface, then focus can be moved away from that component using only a keyboard interface, and, if it requires more than unmodified arrow or tab keys or other standard exit methods, the user is advised of the method for moving focus away. Supported Guideline 2.2 Enough Time Provide users enough time to read and use content.
408.3 Flashing ICT emits lights in flashes, there shall be no more than three flashes in any period. Not Applicable 409 Status Indicators Criteria Supporting Feature Remarks and Explanations 409.1 General. Where provided, status indicators shall be discernible visually and by touch or sound. Not Applicable 410 Color Coding Criteria Supporting Feature Remarks and Explanations 410.1 General. Where provided, color coding shall not be used as the only means of conveying information, indicating an action, prompting a response, or distinguishing a visual element. Not Applicable 411 Audible Signals Criteria Supporting Feature Remarks and Explanations 411.1 General. Where provided, audible signals or cues shall not be used as the only means of conveying information, indicating an action, or prompting a response. Not Applicable 412 ICT with Two-Way Communication 412.1 General. ICT that provides two-way communication shall conform to 412. Criteria Supporting Feature Remarks and Explanations 412.2 Volume Gain. ICT that provides two-way voice communication shall conform to 412.2.1 or 412.2.2. See 412.2.2 412.2.1 Volume Gain for Wireline Telephones. Volume gain conforming to 47 CFR 68.317 shall be provided on analog and digital wireline telephones. Not Applicable
413 Closed Caption Processing Technologies 413.1 General. Where ICT displays or processes video with synchronized audio, ICT shall provide closed caption processing technology that conforms to 413.1.1 or 413.1.2. Criteria Supporting Feature Remarks and Explanations 413.1.1 Decoding and Display of Closed Captions. Players and displays shall decode closed caption data and support display of captions. Not Applicable 413.1.2 Pass-Through of Closed Caption Data. Cabling and ancillary equipment shall pass through caption data. Not Applicable 414 Audio Description Processing Technologies 414.1 General. Where ICT displays or processes video with synchronized audio, ICT shall provide audio description processing technology conforming to 414.1.1 or 414.1.2. Criteria Supporting Feature Remarks and Explanations 414.1.1 Digital Television Tuners. Digital television tuners shall provide audio description processing that conforms to ATSC A/53 Digital Television Standard, Part 5 (2014) (incorporated by reference, see 702.2.1). Digital television tuners shall provide processing of audio description when encoded as a Visually Impaired (VI) associated audio service that is provided as a complete program mix containing audio description according to the ATSC A/53 standard. Not Applicable 414.1.2 ICT. ICT other than digital television tuners shall provide audio description processing. Not Applicable 415 User Controls for Captions and Audio Descriptions 415.1 General. Where ICT displays video with synchronized audio, ICT shall provide user controls for closed captions and audio descriptions conforming to 415.1. Criteria Supporting Feature Remarks and Explanations 415.1.1 Caption Controls. ICT provides operable parts for volume Not Applicable