public async void btnConfigResetClicked(object sender, EventArgs e)
        {
            BleMvxApplication.ResetConfig();
            BleMvxApplication._reader.rfid.SetDefaultChannel();

            BleMvxApplication._config.RFID_Region = BleMvxApplication._reader.rfid.SelectedRegionCode;

            if (BleMvxApplication._reader.rfid.IsFixedChannel)
            {
                BleMvxApplication._config.RFID_FrequenceSwitch = 1;
                BleMvxApplication._config.RFID_FixedChannel    = BleMvxApplication._reader.rfid.SelectedChannel;
            }
            else
            {
                BleMvxApplication._config.RFID_FrequenceSwitch = 0; // Hopping
            }

            BleMvxApplication.SaveConfig();
        }
        public async void btnConfigResetClicked(object sender, EventArgs e)
        {
            Xamarin.Forms.DependencyService.Get <ISystemSound>().SystemSound(1);
            BleMvxApplication.ResetConfig();
            BleMvxApplication._reader.rfid.SetDefaultChannel();

            BleMvxApplication._config.RFID_Region = BleMvxApplication._reader.rfid.SelectedRegionCode;

            if (BleMvxApplication._reader.rfid.IsFixedChannel)
            {
                BleMvxApplication._config.RFID_FrequenceSwitch = 1;
                BleMvxApplication._config.RFID_FixedChannel    = BleMvxApplication._reader.rfid.SelectedChannel;
            }
            else
            {
                BleMvxApplication._config.RFID_FrequenceSwitch = 0; // Hopping
            }

            BleMvxApplication.SaveConfig();
        }