If assistive text was setup for the radio button, pop up the notewindow.
Keyboard Information
Target
Key
Action
Input
UpArrow
Select the previous radio button in the group.
DownArrow
Select the next radio button in the group.
Radioset
Tab In
If the radioset has help-hints.source, sets the focus on the link, otherwise sets the focus on the
checked radio button. If no button was selected, sets the focus on the first radio button.
Assistive help icon
Tab In
If the radio item has assistive text, sets the focus on the icon. Hitting Enter or Space on the icon will launch a pop-up.
Pressing F6 transfers the focus inside the popup and tabbing inside the popup will move focus to the link inside the popup, if one exists.
Hitting Enter on the link will launch a new window with the url that was setup in the helpSourceLink property of the radio item.
See RadiosetDataItem for information on assistive properties of the radio item.