Exterior NVR21 Series, User Manual

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Figure 7-2
This main window can be divided into the following sections.

Section 1: There are six function buttons: Preview
（
chapter 7.3
）
, setup (chapter 7.9), info
(Chapter 7.10), playback (chapter 7.7), alarm (chapter 7.8), and logout (chapter 7.11).

Section 2: There are monitor channels successfully connected to the NVR.
Please refer to Figure 7-3 for main stream and extra stream switch information.
Figure 7-3

Section 3: Open all. Open all button is to enable/disable all-channel real-time monitor. Here
you can select main stream/sub stream too. See Figure 7-4.
Figure 7-4

Section 4: Instant record button. Click it, the button becomes yellow and system begins
manual record. See Figure 7-5. Click it again, system restores previous record mode.
Figure 7-5