HP ESA-E Series Programmer's Manual page 84

Programming Examples
Performing Internal Self-alignment
/*Set the input port to the 50 MHz amplitude reference
for HP models E4401B or E4411B*/
viPrintf(viESA,"CAL:SOUR:STAT ON \n");
}
else
{
/*For analyzers having frequency limits 3 GHz, prompt
the user to connect the amplitude reference output to the RF
input*/
printf ("Connect amplitude reference
input \n");
printf ("......Press any key to continue \n");
scanf( "%c",&cEnter);
/*Externally route the 50 MHz signal*/
viPrintf(viESA,"CAL:SOUR:STAT ON \n");
}
}
void main()
{
/*Program Variables*/
ViStatus viStatus
long lOpc =0L;
long lResult =0L;
/*Open an HP-IB session at address 18*/
viStatus=viOpenDefaultRM(&defaultRM);
viStatus=viOpen(defaultRM,"GPIB0::18",VI_NULL,VI_NULL,&
viESA);
if(viStatus)
{
printf("Could not open a session to HP-IB device at
address 18!\n");
exit(0);
/*Clear the analyzer*/
viClear(viESA);
/*Reset the analyzer*/
viPrintf(viESA,"*RST\n");
/*Display the program heading*/
printf("\n\t\t Calibration Correction Program \n\n" );
3-20
= 0;
output to the
Chapter 3