Ki 256 Installation Manual -

Later service bulletins and manual updates (e.g., Mod 11) provide instructions for replacing the Command Bar Board (P/N 200-05802-0040) to reduce loading effects on pitch and roll outputs. KI 256 Flight Command Indicator Mod | PDF - Scribd

Installation of the KI 256 is an integrated process that requires coordination with the aircraft's autopilot computer. ki 256 installation manual