USB HDD recording (USB HDD recording models only)
- You cannot use a USB HDD device. (USB HDD recording models only)
- The USB HDD device cannot be registered. (USB HDD recording models only)
- Recording cannot be performed./Recording failed. (USB HDD recording models only)
- Recorded content disappeared. (USB HDD recording models only)
- The USB HDD device operates even though it is not turned on. (USB HDD recording models only)