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DS-2TD2xxx-xxxx/xx Thermal and Optical Bi-Spectrum Network Camera User Manual
UM DS-2TD2xx-xxxx/xx Thermal 072020NA 39
- Click , and the lens zooms out.
• Focus
- Click , then the lens focuses far and the distant object gets clear.
- Click , then the lens focuses near and the nearby object gets clear.
• PTZ Speed
- Slide to adjust the speed of the pan/tilt movement.
• Iris
- When the image is too dark, click to enlarge the iris.
- When the image is too bright, click to stop down the iris.
8.2 Set Transmission Parameters
The live view image may be displayed abnormally depending on the network conditions. In different
network environments, you can adjust the transmission parameters to solve the problem.
1. Go to Configuration → Local.
2. Set the transmission parameters as required.
• Protocol
- TCP: TCP ensures complete delivery of streaming data and better video quality, yet the real-
time transmission will be affected. It is suitable for a stable network environment.
- UDP: UDP is suitable for an unstable network environment that does not demand high video
fluency.
- MULTICAST: Multicast is suitable for situations in which there are multiple clients. You should
set the multicast address for them before selection.
For detailed information about multicast, see Multicast.
- HTTP: HTTP is suitable for situations in which third-party applications need to get the stream
from the device.
• Play Performance
- Shortest Delay: Real-time video image priority over video fluency.
- Balanced: Both real-time video image and video fluency.
- Fluent: Video fluency as priority over real-time video image. In a poor network environment, the
device cannot ensure video fluency even if fluency is enabled.
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