This field shows the drive currently selected. This field shows the volume currently selected. To enter a hot key (for example, command-option-f) hold down the command key with any modifier keys and type a character. Double-clicking in this list OPENS a folder, while single-clicking SELECTS a folder. Select the removable drive you want to scan. Then, press your hot key combination. Click Select. Select the volume you want to scan. Then, press your hot key combination. Click Select. To enter a prompt dialog hot key, press your hot key combination, then click Select. Select a folder from the dialog box. Then, press your hot key combination. Click Select.