You can load an image from a file by the menu item File ▹ Load Image or via the corresponding button of the tool bar. To acquire images from a camera, you can also use the Snap and Live buttons in the tool bar.
If you have a pretrained classifier you want to use, you can load this classifier by the menu item File ▹ Load OCR Classifier or via the corresponding button of the toolbar.
You can create a new training file that can be used to train a classifier by the menu item File ▹ Load OCR Classifier or via the corresponding button of the toolbar. Alternatively, click the button New in the dialog OCR Classifier on the OCR Classifier tab. This automatically activates the radio button Training File which allows you to choose a file for the new training file or open the Training File Browser which allows you to comfortably view and edit training files.
If you have saved a training file of a former OCR Assistant session, you can load the training file again by the menu item File ▹ Load Training File or via the corresponding button of the toolbar.
You can save a training file using the menu item File ▹ Save Training File or the corresponding button of the tool bar. Then you can load the training file again in a later session.
If you have saved the settings of a former OCR Assistant session, you can load them again by the menu item File ▹ Load Assistant Settings or via the corresponding button of the tool bar.
You can save the current settings of an OCR Assistant using the menu item File ▹ Save Current Assistant Settings or the corresponding button of the tool bar. Then you can load them again in a later session.
When closing the OCR Assistant dialog with the menu item File ▹ Close Dialog or the X in the top right corner of the window, the current settings are stored for the duration of the current HDevelop session. That is, as long as you do not exit HDevelop, you can again open the OCR Assistant with the same settings. In contrast to this, when you exit the OCR Assistant, the settings are lost also for the current HDevelop session.
When you exit the OCR Assistant with the menu item File ▹ Exit Assistant, the assistant's dialog is closed and the current settings are lost unless you have stored them via the menu item File ▹ Save Current Assistant Settings. If you want to close the dialog but keep its settings for the current HDevelop session, you should use the menu item Close Dialog instead.