All the settings reset to the factory defaults. - Technics
Problem: All settings on the unit are reset to the factory defaults.
Possible Cause and Solution
1. Firmware Update
Cause: Updating the firmware may reset the device settings to factory defaults. This is done to ensure compatibility with the new firmware and to avoid conflicts with updated features or functionalities.
Solution: After updating the firmware, reconfigure your device settings as needed. Refer to your model's Operating Manual for guidance on restoring or adjusting your preferred settings.