Int 15 Fn 74  - Hunter 16 - Set Backlight Power Up State                   [b]

   AH = 74h
   AL = new level
       01h off
       02h unchanged
       03h change level
       BL = desired level (00h-7Fh)

Return: AH = status
Desc:  select the backlight level to use when the Hunter is next turned on

See Also: AH=64h,AH=75h,INT 10/AH=64h,INT 10/AH=78h