Casio IT-2000W - Manual (Page 169)

169
Setting ABC (Auto Backlight Control) Status
The ABC (Auto Backlight Control) function is used to sense the ambient light intensity and
automatically turns ON/OFF the backlight. This function is used to enable or disable the ABC
function.
SYNTAX
int SYS_SetABC(int nOnOff);
INPUT
nOnOff = 0 OFF
Other than 0 ON
OUTPUT
= 0 Normal
= -1 Parameter error
= -2 No response from KBC
= -3 VxD not registered