Application Examples 5 divisions 6.3 Example 3: Analyzing Input Signals to Eliminate Random Noise In certain circumstances, to display a noisy signal on the oscilloscope and to get its details, you may follow the steps below to analyze this signal. Observing Noisy Signal 1. Enter the Acquire menu. 2. Push the Type option button and select Real Time. 3. Push the Peak Detect option button. 4. If necessary, enter the DISPLAY menu and set the Contrast option to view the noise more clearly. See the figure below for better understanding. DSO1000B(V) Series HandHeld Oscilloscope User Manual 45