How to CW HN7740 Hughes for Testing BUC 2W Ku-Band

Hi..all, I'm newcomer for this forum.

Can anybody help me how to test BUC Hughes 2W Ku-Band, it's mean realy +33 dBm displaying on Spectrum analyzer with Continuous Wave command on Modem HN7740 Hughes.
I have succeed tested BUC 2W C-Band by command on Modem HN7740 Hughes with ulhal Test 1,1,95000000,0,0,2,0,0,0 on 5945 MHz and 1,1,555000000,0,0,2,0,0,0 on 6405 MHz CW mode, but it's doesn't work for BUC Ku-Band 2W Hughes.

Thank you