Roll Up / Roll Dw telnet 5250 Rel. 7.3.247 not working properly

hi,

I have an MC92N0 with the 5250 keyboard, if I press Ctrl + J or Ctrl L the RollUp or RollDw function does not work. If I use the Virtual Keyboard 5250, the command is executed.

where am I wrong?

Thanks in advance

Rino