5-6.2 General Requirements

Desktop and portable computer products that have mechanically operated controls and keys shall comply with the following requirements:

• Controls and keys shall be tactilely discernible without activating the controls or keys.
• Controls and keys shall be operable with one hand and shall not require tight grasping, pinching, or twisting of the wrist. The force required to activate controls and keys shall be 5 lbs. (22.2 N) maximum.
• If key repeat is supported, the delay before repeat shall be adjustable to at least 2 seconds. Key repeat rate shall be adjustable to 2 seconds per character.
• The status of all locking or toggle controls or keys shall be visually discernible, and discernible either through touch or sound.
• For touch screens, provide an appropriate alternate access method that supports the first four requirements listed above.

Biometric User Identification and Controls.

When biometric forms of user identification or control are used, an alternative form of identification or activation, which does not require the user to possess particular biological characteristics, shall also be provided.

Industry–Standard Expansion Slots, Ports, and Connectors.

Where provided, at least one of each type of expansion slots, ports and connectors shall comply with publicly available industry standards.