LX 57 mm units consists of a mechanical needle driven by stepper motor, a sunshine readable color display and the electronics. The unirs are LX Bus connectable and that means no pneumatic inlets even by IAS and Altimter.
All necessry data is sent via bus and every unit filtres out its individual data set. This makes wiring extreemelly simple and reliable.
Every unit has on its back three connectors, all three are LX bus compatible and this makes possible to use so called "daisy chain" solution