Logic RPC Pro, SI-24, Studio Package Pro: Getting Logic RPC Pro to recognize the SI-24 April 12, 2023 06:43 Updated Follow In Logic RPC Pro, select OPTION>CONTROL SURFACES>SCAN. If there are no other hardware or software issues, the faders on the SI-24 should snap to the 0dB mark, indicating that communication with LOGIC RPC PRO has been established. Related articles DA-2496: Changing IRQ settings in Windows XP and 2000 SI-24, Studio Package Pro, SPP: Recording tracks into Logic RPC Pro?