Originally Posted by
Alycidon
Er, height is referenced to QFE, altitude to QNH.
They were cleared to 600m on QFE, listen to the tape, but only read back the QNH, they certainly did not pick up the error from what can be heard on the ATC recordings.
Er, that's the way it should be. The ATC descends you to a HEIGHT (QFE), you ask for a QNH, set it, check the converted ALTITUDE and set it in the MCP. 600 m height equates to 2250 ft altitude (check the LIDO plate, posted by FlightDetent).