Dahua DH-VTO9221D

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Parameter Note
 D1：resolution is 720×576.

QVGA
：：
resolution is 320×240.
Frame Rate
Adjust video transmission speed, as 30 and 25 fps.
Bit Rate
According to actual device input network, select bit rate,
as 256Kbps
，
512Kbps
，
1Mbps
，
2Mbps and 3Mbps.
Brightness
Adjust video brightness
Contrast
Adjust video contrast
HUE
Adjust video HUE
Saturation Adjust video saturation
Gain Mode Auto mode: system automatically adjusts.
Scene Mode Includes: disabled, automatic, sunny and night.
Day/Night Mode Includes: colorful, automatic, black white.
Back Light Mode
Four modes available：
Mirror Horizontally flip video.
Flip
Vertically flip video.
Default
Restore all parameter in video set tab to default.
5.2.5.2 Audio Set
Go to System Config>Video Set>Audio Set interface, you can set MIC volume and beep
volume. See Figure 5-24.
Figure 5-24
Click Default to restore all parameters in Audio Set interface to default.
5.2.6 User Manage
5.2.6.1 Add User
Step 1. In page, select System Config>User Manager.
Step 2. Click on Add User.
Step 3. In pop-up box fill in user info. See Figure 5-25.