Squelch LevelLED screen can indicate 5 squelch levels. Press 【P1】key or【P2】key continuously can switch to squelch level interface tocheck signal intensities.10Basic OperationsMode SwitchThe radio support analogue conventional/digital conventional modes.Modes can be switched via programming software by dealers.Battery LevelsLED screen can indicate 5 battery levels.Battery LevelsSquelch Level*Note:Stands for limited functionality, indicating that this feature.