3. Trigger slope: The trigger slope determines whether the is on the rising edge or falling edge of the signal 2. There are three triggering modes: automatic mode, normal mode, and single mode 4. Trigger level: For repeated signals, the trigger level can stabilize their display. For a single signal, the trigger stage can capture it 1. Indicator light: Usually, when the indicator light is on, it indicates that the sampling is running, 5. Save Settings: When exiting the settings interface, all parameters of the settings interface and the main interface be saved in EEPROM, Weight: 0.1433004703 Pounds, Manufacturer: Tuesoa