Click here to download the Help file in pdf for BAO-F9 programmer in pdf format.
Learn lots about the features of the Baofeng BF-F9 in the details found here.
Reinstall the Windows Version 5 programmer to have this help available from the Help menu within the program. Download from www.rtsystems.us/software. You'll need your serial number: but that is available from that site too. Just use the Forgot serial number button to retrieve that information from the system.