I do a blind scan of a C-band satellite the receiver does find the channels, but lists them with Ku-band frequencies. For example 3936 is listed as 10964.

Local osc C-band 5150
Local osc Ku-band 9750

10964 - 9750 = 1214
5150 - 3936 = 1214

So 1214 is the IF for both those frequencies.