299
Figure 4-181
4.17.5.2 Uboot
When device is booting up, it can auto detect the USB device and the update file on it. It can auto update
once there is proper upgrade file.
Important
USB device root directory shall have
“u-boot.bin.img” and “update.img” files. USB device shall be
FAT32 mode.
For 4X series product, it only updates
“update.img”. The “update.img” shall be renamed as
“recovery.img” and is saved on the root directory.
USB device shall be on the USB 2.0 port, otherwise device can not detect or update.
4.17.6
Default
You can restore factory default setup to fix some problems when the device is running slowly.
Configuration error occurred.
From Main menu->Setting->System->Default, you can go to the default interface. See Figure 4-182.
Click default icon, system pops up a dialogue box. You can highlight
to restore factory default setup.
All
Camera
Network
Event
Storage
System
Summary of Contents for nvr4208-8p
Page 1: ...Dahua Network Video Recorder User s Manual V 2 7 0 ...
Page 160: ...145 Figure 3 4 3 5 5 NVR41HS W S2 Series Please refer to Figure 3 5 for connection sample ...
Page 171: ...156 Figure 3 18 3 5 19 NVR78 Series Please refer to Figure 3 19 for connection sample ...
Page 172: ...157 Figure 3 19 3 5 20 NVR78 16P Series Please refer to Figure 3 20 for connection sample ...
Page 173: ...158 Figure 3 20 3 5 21 NVR78 RH Series Please refer to Figure 3 21 for connection sample ...
Page 174: ...159 Figure 3 21 3 5 22 NVR70 Series Please refer to Figure 3 22 for connection sample ...
Page 175: ...160 Figure 3 22 3 5 23 NVR70 R Series Please refer to Figure 3 23 for connection sample ...
Page 176: ...161 Figure 3 23 3 5 24 NVR42V 8P Series Please refer to Figure 3 24 for connection sample ...
Page 177: ...162 Figure 3 24 ...
Page 243: ...228 Figure 4 89 Figure 4 90 ...
Page 244: ...229 Figure 4 91 Figure 4 92 ...
Page 259: ...244 Figure 4 110 Figure 4 111 ...
Page 260: ...245 Figure 4 112 Figure 4 113 ...
Page 261: ...246 Figure 4 114 Figure 4 115 ...
Page 263: ...248 Figure 4 117 Figure 4 118 ...
Page 355: ...340 Figure 5 55 Figure 5 56 ...
Page 356: ...341 Figure 5 57 Figure 5 58 Figure 5 59 ...
Page 367: ...352 Figure 5 73 Figure 5 74 ...
