CHAPTER 4 - SYSTEM OPERATIONCarl Zeiss Startup and Shutdown of the System Lightsheet Z.110 000000-1790-528 02/2013− If Recent… is pressed the last couple of databases that were in use will be displayed (Fig. 9). Clickon the one you want to select. By pressing the Choose… button, Windows Explorer will open.Search for the file folder where the database is stored and open it. Select it for use. Select adatabase suited for your purpose from the Explorer window.− You can also change the database after having booted the system. To do this, choose from the Filemenu of the main tool area Login… and the Login Zen dialog will appear. Select the database bypressing Choose… or Recent… and the system restarts.1.2 Shutdown ProcedureDo not switch the computer off until the ZEN software is closed and the Windows 7 operatingsystem has completely shut down. The program and/or data files may otherwise be lost.In the Maintain tab / System Options dialog window, activate Laser off on Exit in theShutdown tab (see section 3.4.3 Maintain – System Options). The lasers will thenautomatically be switched off when you exit the ZEN software.Fig. 9 Recent databases