Note | When using the touch screen, a recommended best practice is to use a positive hard press to make sure the required setting in input into the system. A light touch may not change the instrument setting as required. To recalibrate the touch screen, navigate to the CALIBRATE TOUCH SCREEN dialog box located at MAIN | System | SYSTEM | Utility | UTILITY | Calibrate Touch Screen | TOUCH SCREEN CONTROL PANEL dialog box. The procedure is described in the User Interface Manual – 10410-00307. A more detailed touch screen calibration and adjustment procedure is described in the VectorStar MS4640A Series VNA Maintenance Manual – 10410-00268. |