Asynchronous Terminal OperationH-53160-A2-GB21-80 March 1999Using Asynchronous Terminal Screens There are three types of async terminal screens. Menu screens list selections available through the menu system. Input screens allow you to edit or change information on a screen usingscreen function keys (Table H-1) or keyboard keys (Table H-2). Display screens show the results from a data collection operation or theydisplay device-specific information.The async terminal supports character matching for entering values in fields. Forexample, if the values for a field can be DTE, NET, or PORT and you enter a Dand press Return (Enter), then the field automatically populates with the valueDTE.Once an operation is initiated, status messages appear in the last row of thescreen. These include Please Wait (when a command takes longer than fiveseconds) and Command Complete.Table H-1. Screen Function KeysScreen Function Key UsageM (MainMenu) Returns to the Main Menu screen.E (Exit) Terminates the async terminal session.R (Refresh) Updates the screen with the current information.U (PgUp) Pages up to the previously displayed page of information.D (PgDn) Pages down to the previously displayed page ofinformation.S (Save) Stores changes in nonvolatile memory.