Handbook - Eurotherm Ltda

T820 HANDBOOK3.1.3The standard interfaceThe Standard Interface consists of a ‘Screen’ and a group of ‘Navigation and Menu’ keys.128x64 PixelLCD ScreenCursor and NavigationKeysMenu KeyOperatorKeysOption KeyCancel KeyCycle KeySCREENFigure 3.1.3 The Screen, and Navigation and Operator keysThe Screen is used to display defined system values via User generated Pages created using the User Screen Editor(Part no. HA260749U005). It will also allow the User to select specific Menus for displaying the requiredinstrument-specific and application-specific functions from a selection of Built-in pages, i.e. showing active andinactive alarms, and enabling a specific level of security.NAVIGATION AND MENU KEYSThe Navigation and Menu keys carry out the following functions:UPDOWNLEFTRIGHTRETURNMENUOPTIONCANCELCYCLEHighlights an option one level above the currently selected item, moving vertically in a menustructure.Highlights an option one level below the currently selected item, moving vertically in a menustructure.Highlights an option one position to the left of the currently selected item. Also moves forward(left) between successive pages of tabular data. Action depends upon context.Highlights an option one position to the right of the currently selected item. Also moves back(right) between successive pages of tabular data. Action depends upon context.Confirms the selection or configuration entry. Action depends upon context.Displays the Menu (top-level) screen, showing the ACCESS, SYSTEM, and ALARMS pages.Displays a menu, or an extra set of keys, for options specific to the page on display.Closes the currently displayed Menu screenDisplays the next page in the sequence to be scrolled through, e.g. the System Summary pagehas two pages, the other is displayed when this key is used.Chapter 3Page 3 - 2HA029131Issue 3 Feb 08