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

End of the Manual

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Casio IT-2000W manual End of the Manual