Casio IT-2000D Manual De Usuario

224

DX =    Remaining battery life - time unit

bit 15 =    0 : Time unit is in second.

1 : Time unit is in minute

bits 14 to 0 =    value for second or minutes

0 to 7FFFh : Valid value for second or minute
FFh      : Unknown

If function unsuccessful:
Carry =    1
AH  =  Error code

  09h : Unrecognized device ID