402 Closed Functionality 402.1 General. ICT with closed functionality shall be operable without requiring the user to attach or install assistive technology other than personal headsets or other audio couplers, and shall conform to 402. Criteria Supporting Feature 402.2 Speech-Output Enabled Not Applicable 402.2.1 Information Displayed On-Screen Not Applicable 402.2.2 Transactional Outputs Not Applicable 402.2.3 Speech Delivery Type and Coordination Not Applicable 402.2.4 User Control Not Applicable 402.2.5 Braille Instructions Not Applicable 402.3 Volume Not Applicable 402.3.1 Private Listening Not Applicable 402.3.2 Non-private Listening Not Applicable 402.4 Characters Not Applicable 402.5 Characters on Variable Message Signs Not Applicable 403 Biometrics Criteria Supporting Feature 403.1 General Not Applicable 404 Preservation of Information Provided for Accessibility Criteria Supporting Feature 404.1 General Supported 405 Privacy Criteria Supporting Feature 405.1 General Not Applicable 406 Standard Connections Criteria Supporting Feature 406.1 General Not Applicable 407 Operable Parts 407.1 General. Where provided, operable parts used in the normal operation of ICT shall conform to 407.
Criteria Supporting Feature 407.2 Contrast Not Applicable 407.3 Input Controls See 407.3.1, 407.3.2, and 407.3.3. 407.3.1 Tactilely Discernible Not Applicable 407.3.2 Alphabetic Keys Not Applicable 407.3.3 Numeric Keys Not Applicable 407.4 Key Repeat Not Applicable 407.5 Timed Response Not Applicable 407.6 Operation Not Applicable 407.7 Tickets, Fare Cards, and Keycards Not Applicable 407.8 Reach Height and Depth Not Applicable 407.8.1 Vertical Reference Plane Not Applicable 407.8.1.1 Vertical Plane for Side Reach Not Applicable 407.8.1.2 Vertical Plane for Forward Reach Not Applicable 407.8.2 Side Reach Not Applicable 407.8.2.1 Unobstructed Side Reach Not Applicable 407.8.2.2 Obstructed Side Reach Not Applicable 407.8.3 Forward Reach Not Applicable 407.8.3.1 Unobstructed Forward Reach Not Applicable 407.8.3.2 Obstructed Forward Reach Not Applicable 407.8.3.2.1 Operable Part Height for ICT with Obstructed Forward Reach Not Applicable 407.8.3.2.2 Knee and Toe Space under ICT with Obstructed Forward Reach Not Applicable 408 Display Screen 408.1 General. Where provided, display screens shall conform to 408. Criteria Supporting Feature 408.2 Visibility Not Applicable 408.3 Flashing Not Applicable 409 Status Indicators Criteria Supporting Feature 409.1 General Not Applicable 410 Color Coding
Criteria Supporting Feature 410.1 General Not Applicable 411 Audible Signals Criteria Supporting Feature 411.1 General Not Applicable 412 ICT with Two-Way Voice Communication 412.1 General. ICT that provides two-way voice communication shall conform to 412. Criteria Supporting Feature 412.2 Volume Gain See 412.2.2 412.2.1 Volume Gain for Wireline Telephones Not Applicable 412.2.2 Volume Gain for Non-Wireline ICT Not Applicable 412.3 Interference Reduction and Magnetic Coupling See 412.3.1 412.3.1 Wireless Handsets Not Applicable 412.3.2 Wireline Handsets Not Applicable 412.4 Digital Encoding of Speech Not Applicable 412.5 Real-Time Text Functionality Not Applicable 412.6 Caller ID Not Applicable 412.7 Video Communication 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 413.1.1 Decoding and Display of Closed Captions Not Applicable 413.1.2 Pass-Through of Closed 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 414.1.1 Digital Television Tuners Not Applicable 414.1.2 Other ICT 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.