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Chapter 6: Advanced setup
truVision DVR 31 User Manual 59
Sensitivity level refers to the degree of pixel change in the specified area
before a motion detection alarm triggers.
Note: The Motion Detection screen also includes a motion sensitivity indicator
that lets you test (by making motions on the camera) how much motion is
required to trigger an alarm at the selected sensitivity level. A buzzer sounds
off when an alarm is triggered.
7. Select the target size in the Target Size box.
Target size refers to the minimum size of an area in which motion is detected
thus triggering a motion detection alarm.
Assigning PTZ protocol
Assign a PTZ protocol and ID to a camera to allow PTZ control of the camera
while in PTZ mode. The PTZ Setup screen lets you assign a PTZ protocol and ID
to a camera.
To assign PTZ protocol and ID to a camera:
1. Click Cameras on the main menu to display the Cameras screen.
2. Click the PTZ Setup button to display the PTZ Setup screen.
3. Select a protocol in the PTZ Protocol box.
Available protocol values include:
• None
• DSCP
• AD422
• Pelco D
• Pelco P
• Hitron
• JVC
• Panasonic C
• Panasonic N
• GE RS-485
• GE RS-422
4. Select an ID in the PTZ ID box.
Adjusting video image
In order to get the best image quality when capturing video, you may need to
adjust the video image settings, including brightness, contrast, saturation, and
hue. Use the Adjust Video screen (shown in Figure 25 on page 60) to modify
these settings.