VT100: EXT + U VT200: EXT + Remove DEFINE_KEY Function: DVCNCL Cancels the RECORD function. Use the DV CNCL function if you begin using the RECORD function and then decide you want to stop. If you want to delete a sequence that has already been recorded on a PF key, use the RECORD function, press the PF key, and then use the DV CNCL function.