Why when I have programmed in LD 18 a PRE 2 & SCL2 THEN I activate it in LD 15 ( FTR - PREO 1 - BPSS YES ), XLST 2 on the phone , the SCC or SCU Programmed key become freez?? i mean no response when i press the SCC , SCU KEY.
and if i put PREO 0 it is work.
regards