I inserted the F4IN accessory card, but the channels on the bit Drive software show the same sensitivity scale as the 8 native inputs?

Compared to the 8 native SPK IN inputs, the F4IN's input sensitivity scale is 3.2 ÷ 32 VRMS, allowing integration into advanced OEM systems that require higher voltages. In the bit Drive software, the F4IN channels are always identified as #9,#10,#11,#12. Refer to the table in point 15. SLOT ACCESSORIES of the AF bit manual.