CHAPTER 2Principles of GUI operation41Fig. 15 shows the header, the menu bar and the tool bar of themain window of the GUI in detail.Figure 15. Title Bar, Menu Bar, Tool BarCommands on the Menu BarFile CommandsFileLoginIf you have worked in the Offline mode (locally on your PC withoutcommunication to an A850), you can always change to the Onlinemode by logging in, and then, you can forward the results of youroffline work to your A850 with an “update” command. This meansthat you can prepare details of the configuration of your A850 in aconvenient way on your PC away from your A850 which may evenwork at the same time in another configuration.Figure 16. Login Menu Item