
The instrument has two simple operator controls. A digital meter, an alphanumeric display, and a sample flowmeter give the operator constant feedback from the instrument. See Figure 1-1. The controls are described briefly here and in greater detail in chapter 4. Figure 1-1: Model 3020T Controls, Indicators, and Connectors Teledyne Analytical Instruments 1 Introduction Model 3020T 1.5.1 UP/DOWN Switch Functions: The UP/DOWN switch is used to select the function to be performed. Choose UP or DOWN