1, use USB cable ,  go to ptt , setting, Communication unit configuration , configure, 'USB+Directly to Communication unit'

2, 'Direct' ->'Restore default values'-'Apply'-'Ok'

3, Click Ok again.  then disconnect usb cable, 

4, go to Setting->'Comm.unit Selection' -. ' Communictcation unit 8889300 ....Nickname'

5, now your can use signal get wireless singal.

All ok