3. Trigger slope: the trigger slope determines whether the is on the rising edge of the signal or falling. 1. Indicator light: usually the indicator light indicates that the sampling is running 2. There are three trigger modes: automatic mode, normal mode and single mode. 4. Trigger level: For repeated signals, the trigger level can stabilize the display. For single signal, the trigger level can be captured 5. Save Settings: When you exit the setup interface, all the parameters of the setup interface and the main interface be saved in EEPROM., Weight: 0.220462262 pounds, Manufacturer: Ehwisbe