Tool/material: Dahua DH-NVR5432-4KS2.
1. Enter the local login interface and click the forgot password option.
2. In the password reset interface, fill in the corresponding correct answer according to the secret protection question set when using for the first time, and click OK.
3. Reset the password interface, enter a new password and confirm it.
Selection method of video recorder
1, video speed
As far as the recording rate is concerned, in fact, all DVRs are 30 frames per second or 60 fields per second (NTSC format) in real time, and any advertisement exceeding this index is unrealistic. If 16 images are recorded at the same time, the rate of each channel is only 30/ 16 images per second or 60/ 16 fields per second. When multi-channel recording is performed,
2. Storage capacity and backup
The larger the recording capacity, the better, but the most important thing is to have an interface to connect external digital storage devices to back up image data. Only by frequent backup can valuable images be safely saved and transmitted easily. It is unwise to store all the images of several months on the built-in hard disk of the machine. Once the machine is damaged, all data will be completely lost.
3. Image clarity
Image definition directly reflects the quality of DVR, but technically speaking, the higher the definition, the greater the storage capacity, so it is the best design to let users adjust the definition according to the actual situation, and almost all brands of products have done so.
4. Is the operation simple or not
Whether the operation is simple or not ultimately determines the adaptability of the product in practical application. More and more users hope that the devices they use can complete all functions with one click. Many manufacturers ignore the overall quality of users using electrical equipment, and the designed products have many functions, complicated operation and are difficult to popularize. In order to improve this deficiency, many manufacturers are constantly improving their products.