VCR abnormal alarm sound cancellation operation guidance
If you do not intend to install the hard disk, you can go to the main menu - system configuration - exception configuration - exception type, select the exception type as hard disk error, the corresponding sound warning tick to cancel, click Apply. (If the VCR does not recognize the hard disk, it will generate an alarm)
Device hard drive model support list
Due to the wide range of hard drive models on the market, the same model may have different versions, so please forgive us for the difficulty in testing them all! Please select the hard disk that your device can support according to the applicable model