387 Maintenance Mode7.1 OverviewMaintenance Mode for the Defibtech DDU-2000 Series AED permits the user to perform maintenance-relatedactions such as viewing unit information, initiating unit self-tests, changing unit parameters, downloading rescuedata, and upgrading software.Maintenance Mode is navigated through a series of screens, menus, and menu options. In Maintenance Mode, thesoftkey buttons located directly to the right of the display screen are used to scroll through and select menu options.When a softkey icon (for example, an arrow) appears on the display screen directly to the left of a softkey button, thesoftkey button is functional for that screen. If a softkey icon is not displayed on the screen, then the correspondingsoftkey button has no functionality for that screen.Note: While the unit is in Maintenance Mode, it cannot perform a rescue. Maintenance Mode allows the user togo directly to AED Mode by selecting the Rescue now option. The Rescue now option appears at the top of everyscreen/menu when the unit is in Maintenance Mode. The user can also exit Maintenance Mode at any time and goto AED Mode by pressing the ON/OFF button to turn the unit off and then immediately pressing the ON/OFF buttonagain to turn the unit back on.The Display Screen (During Maintenance Mode):TitleMenuOptions SoftkeyButtonsTopCenterBottomRescue nowAED statusAED maintenanceAED optionsRescue optionsHelp topicsTurn AED offAED Main MenuTitle – The name of the menu appears in a banner across the top of the screen.Softkey Buttons – Softkey buttons are used to scroll through menus and to select menu options.Softkey Button Icons – The presence of an on-screen icon located directly to the left of a softkey buttonindicates that the softkey is functional.Menu Options – The list of options available from a particular menu. Use the top or bottomsoftkey buttons to scroll through the list of options. Select an option bypressing the center softkey button once an option is highlighted (with a box).7.2 Navigation (in Maintenance Mode)The three softkey buttons located to the right of the display screen are used to navigate in Maintenance Mode.Typical functions of the softkey buttons are the following:Top softkey button: Scroll upCenter softkey button: Select highlighted optionBottom softkey button: Scroll downWhen a menu option is highlighted and then selected (typically by pressing the CENTER softkey button), eitheranother screen will be displayed with additional menu options or an action will be performed.Exiting Maintenance ModeTo exit Maintenance Mode and return to Rescue Mode, scroll to and select Rescue now or simply turn the unit offand then back on.To exit Maintenance Mode and turn the unit off, scroll to and select Turn AED off or simply turn the unit off bypressing the ON/OFF button.7. Maintenance ModeDAC-A2510EN-BG38