The ECal module automatically detects the connection between E5071C's test ports and ECal module's ports. You can turn off this function to set ports manually.
Press Channel Next/Channel Prev keys to select the channel for which you want to turn off the auto-detect function.
Press Cal key.
Click ECal > Orientation, and select Manual.
Specify a test port of the E5071C.
Specify an Ecal port for the port of the E5071C you specified.
Even if the connection is wrong with the auto-detect function turned off, no error is displayed.