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User's Manual
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5.19.4.4.3 Uboot Upgrading
●
Under the root directory in the USB storage device, there must be "u-boot.bin.img" file and
"update.img" file saved, and the USB storage device must be in FAT32 format.
●
Make sure the USB storage device is inserted; otherwise the upgrading cannot be performed.
When starting the Device, the system automatically checks whether there is a USB storage device
connected and any upgrade file, and if yes and the check result of the upgrade file is correct, the
system will upgrade automatically. The Uboot upgrade can avoid the situation that you have to
upgrade tTFTP when the Device is halted.
5.19.4.5 Intelligent Diagnosis
When exception occurs, export data to check details
Background Information
Select
Maintenance Center
>
Intelligent Diagnosis
.
Figure 5-327 Intelligent diagnosis
5.20 USB Device Auto Pop-up
After you inserted the USB device, system can auto detect it and pop up the following dialogue box.
It allows you to conveniently backup file, log, configuration or update system.
You can add a USB keyboard through USB port, and it can input characters limited to soft keyboard.
Figure 5-328 USB device prompt
Summary of Contents for NVR21-4KS3 Series
Page 1: ...Network Video Recorder User s Manual ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD V2 3 5...
Page 97: ...User s Manual 77 Figure 2 118 Alarm input port 1...
Page 123: ...User s Manual 103 S3 NVR41 EI NVR41 P EI NVR41 8P EI Figure 3 48 Typical connection...
Page 129: ...User s Manual 109 Series Figure 3 56 Typical connection...
Page 142: ...User s Manual 122 Figure 5 9 Unlock pattern login...
Page 156: ...User s Manual 136 Figure 5 24 AcuPick human detection...
Page 225: ...User s Manual 205 Figure 5 92 AcuPick human detection...
Page 399: ...User s Manual 379 Figure 5 268 Pattern login...
Page 436: ...User s Manual 416 Figure 5 306 File management Step 2 Click Add Figure 5 307 Add file...
Page 456: ...User s Manual 436 Figure 5 330 Shutdown 2...
Page 485: ...User s Manual...