Preview Control Interface - Dahua NVR21-S2 Series User Manual

Figure 4-62
4.3.2.13 Registration
Click , system goes to the registration interface. Please refer to chapter 4.1.4.6.3 Registration for
detailed information.
4.3.2.14 Network
Click , system goes to the network interface. It is to set network IP address, default gateway and etc.
Please refer to chapter 4.8 Network for detailed information.
4.3.2.15 HDD Manager
Click , system goes to the HDD manager interface. It is to view and manage HDD information.
Please refer to chapter 4.9.1 HDD manager for detailed information.
4.3.2.16 USB Manager
Click , system goes to the USB Manager interface. It is to view USB information, backup and
update. Please refer to chapter 4.10.8.1 File backup, chapter 4.10.8.3 Backup log, chapter4.10.8.2
Import/export, and chapter 0 Upgrade for detailed information.

4.3.3 Preview Control Interface

Move you mouse to the top center of the video of current channel, you can see system pops up the
preview control interface. See Figure 4-63. If your mouse stays in this area for more than 6 seconds
and has no operation, the control bar automatically hides.
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