Appendix A
ClareVision Plus Network Video Recorder User Manual 185
There is an audible warning sound “Di-Di-Di-DiDi” after a new NVR boots.
Possible reasons
• No HDD is installed in the device
• The installed HDD has not been initialized
• The installed HDD is not compatible with the NVR or is broken
Solution:
1. Verify at least one HDD is installed in the NVR.
If not, install the compatible HDD.
If you do not want to install the HDD, select Menu > Configuration >
Exceptions, and then clear the Audible Warning check box for “HDD Error”.
2. Verify the HDD is initialized.
Select Menu > HDD > General.
If the status of the HDD is Uninitialized, check the check box of corresponding
HDD, and then click the Init button.
3. Verify the HDD is detected or is in good condition.
Select Menu > HDD > General.
If the HDD is not detected or the status is Abnormal, replace the dedicated
HDD according to the requirement.
4. Check steps 1 to 3 for resolution.
If it is solved, finish the process.
If not, contact the engineer to do further investigation.
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