Utility: 1 of 2 This is the Utility Window. Every aspect of this window is the same as the Current Personality Screen except for the function keys. From this window the options are: F1 - Select this option to: Change the port to use for programming or reading radios. F3 - Select this option to: Change the current working directory. 2 of 2 F5 - Select this option to: Delete a personality from the disk. F6 - Select this option to: Output the personality to the printer, screen or file. F7 - Select this option to: Change the current extension.