Chapter 2 Basic Library OperationsUsing the GUIQuantum P4000 and P7000 Libraries User’s Guide 433 Verify that the CHM is empty by checking the Overview screen on theGUI (see Chapter 3, Operator Commands).If there is a tape cartridge in the CHM, perform a Move command toplace the cartridge in an available bin.4 Turn off the power switch located below the GUI.Using the GUI 2The GUI is activated by touching the screen, and is located on the front ofthe library. The menus on the GUI allow you to obtain information aboutthe library, execute library commands, and test library functions (seefigure 24).The GUIís functions are grouped into the following four screens:ï Overview screenódisplays current tape drive, CHM, and load portcontent and activities.ï Tapes screenódisplays tape drive, storage bin, load port, and gripperinventories.ï Operator screenócontains library configuration and control functions(password protected).ï Service screenócontains reporting functions, system tests, andservice commands (password protected).Note: Wait ten seconds before turning on the power switchagain.