User's Manual
304
4.10.4.4.3 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 check 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.
4.11 File Backup
You can back up the record file to the UBS device.
Step 1 Connect USB burner, USB device or portable HDD to the device.
Step 2 Select
Main Menu
>
BACKUP
, the
Backup
interface is displayed. See Figure 4-206.
Figure 4-206
Step 3 Select backup device and then set channel, file start time and end time.
Step 4 Click
Search
, system begins search. All matched files are listed below. System
automatically calculates the capacity needed and remained.
Step 5 System only backups files with
a √ before channel name. You can use Fn or cancel
button to delete √ after file serial number.
Step 6 Click backup button, you can backup selected files. There is a process bar for
Summary of Contents for NVR41 series
Page 1: ...Dahua Network Video Recorder User s Manual ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD V4 5 1...
Page 103: ...User s Manual 89 The following figure is for reference only Figure 3 51...
Page 122: ...User s Manual 108 Figure 4 21 Step 3 Set parameters See Table 4 5...
Page 139: ...User s Manual 125 Figure 4 33 Step 3 Set record type See Figure 4 34...
Page 295: ...User s Manual 281 Figure 4 182 Figure 4 183...
Page 416: ...User s Manual...
