First off I would suggest you download & read the manual to ensure you have your OS2 configured correctly.
http://manuals.sharkrf.com/openspot2/en/
Next I would download and read the manual of the radio you are using to ensure you understood how to program it. You may also find videos online to assist in the programing procedure...
Once you have completed the above suggestions then you might be able to provide more information as to the problems you are having...