Casio IT-2000D - Manual (Page 173)

173
Initialization of OBR
Initializes the COM port to establish a connection with the OBR, and turns on the power to the COM
port.
SYNTAX
#include "obrlib.h"
void OBR_Open();
INPUT
None
OUTPUT
None
Note :
If programming with this OBR library, first make this OBR_Open function call to initialize the
COM port.
Release of COM Port
Releases the COM port and turns off the power to the COM port.
SYNTAX
#include "obrlib.h"
void OBR_Close();
INPUT
None
OUTPUT
None
Note :
Call this function if completing the use of the OBR (i.e. terminating the application program).