Dahua DHI-NVR5208-8P-4KS2 User Manual

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Figure 4-180
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 4-181.
Click default icon, system pops up a dialogue box. You can highlight to restore factory default setup.
 All
 Camera
 Network
 Event
 Storage
 System

Dahua DHI-NVR5208-8P-4KS2 Specifications

General

Model	DHI-NVR5208-8P-4KS2
PoE Ports	8
Multi-screen Display	Yes
OSD	Yes
Video Detection and Alarm	Yes
Relay Output	1
Smart Phone	Yes
USB	2 x USB 2.0
Video Input	8
Storage Capacity	Up to 10TB per HDD
HDD Bays	2
Network Interface	1 RJ-45 port (10/100/1000 Mbps)
Video Output	HDMI, VGA
Max. User Access	128
Power Supply	100-240V AC, 50/60Hz
Power Consumption	≤ 10W
Operating Temperature	-10°C to +55°C (14°F to 131°F)
Operating Humidity	10% to 90%