I forgot to mention: I have tried to do this via GUI, but the only way to make it work is configuring the parameters directly on the front pannel (Do not forget to press "apply" and save changes)
There are some restrictions within this menu. First of all, you need to have an L01 which is smaller than LO2. You must also indicate a Frequency cross value to indicate when to use LO1 and when LO2. Finally, your downlink frequency should have a val...