TC TimeCheck returns a value based on time of day or day of week. This allows a text page to be saved then recalled later. Let the user flip instantly between alternate display pages that have been created with the other video programs. Clear the screen of the specified video page to a specified color. VPBH Clear the current screen to the specified colors in a 'black hole' effect.
Stripes can be horizontal or vertical.
VPAT Print a text string at a specified location on the screen. Typically used with VPAT to create message windows on a screen. HANG is typically used to lock up a computer if, for example, a user fails on several attempts to log into a network. It can also be used to automatically reset a computer if a user fails to log into a network correctly. TL TimeLock prevents the user from resetting the computer's time and calendar.