Agilent Technologies E4406A VSA manual

Programming Examples

Saving and Recalling Instrument State Data

viPrintf(viVSA, "INIT:IMM;*WAI\n"); /*save this state in register 10.

!!!Carefull this will overwrite register 10*/ viPrintf(viVSA, "*SAV 10\n");

/*display message*/

printf("HPE4406A Programming example showing *SAV,*RCL SCPI commands\n"); printf("used to save instrument state\n\t\t------------------------");

printf("\n\nThe instrument state has been saved to an internal register\n"); printf("Please observe the display and notice the signal shape\n");

printf("Then press any key to reset the instrument\a\n\t\t------------------------");

/*wait for any key to be pressed*/ getch();

/*reset the instrument */ viPrintf(viVSA, "*RST\n");

/*set again the input port to the internal 50Mhz reference source*/ viPrintf(viVSA, "SENS:FEED AREF\n");

/*display message*/

printf("\n\nThe instrument was reset to the factory default setting\n"); printf("Notice the abscence of the signal on the display\n");

printf("Press any key to recall the saved state\a\n\t\t------------------------");

/*wait for any key to be pressed*/ getch();

/*recall the state saved in register 10*/ viPrintf(viVSA, "*RCL 10\n");

/*zoom the spectrum display*/ viPrintf(viVSA, "DISP:FORM:ZOOM1\n"); /*display message*/

printf("\n\nNotice the previous saved instrument settings were restored\n");

printf("Press any key to terminate the program\a\n\t\t------------------------\n\n");

/*wait for any key to be pressed*/ getch();

/*reset the instrument */ viPrintf(viVSA, "*RST;*wai\n");

/*Set the instrument to continuous sweep */

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