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14 C4659M (4/10)
MULTICAST
A multicast transmission sends data to multiple users at the same time using one transmission stream. Each multicast user that connects to the
encoder consumes no additional processing power; therefore, multicast video streams can be sent to an unlimited number of simultaneous users.
Multicast transmission is recommended if the network can accommodate it since processing overhead and network bandwidth consumption
negatively affect unicast transmission.
TAKING A SNAPSHOT
1. Click the “Take a Snapshot” button.
2. The File Download dialog box opens, and the following message appears: “Do you want to open or save this file?”
3. Select one of the following options:
Open: Your computer’s photo editing program opens and displays the screen image. This function is available only when using
Microsoft
®
Internet Explorer
®
7.0 (or later) or Mozilla
®
Firefox
®
3.0 (or later).
Save: The image is saved as a JPEG file on your computer.
Cancel: The captured image is not saved or displayed and the dialog box closes.
NOTE: If you are using MJPEG, the captured image will be the size of the largest MJPEG stream. If you are using H.264, the image is captured
using the QuickView Stream, which is approximately VGA resolution.
DISPLAYING VIDEO IN THE MULTISCREEN VIEW
Cameras connected to the encoder to which you are logged on can be displayed in a multiscreen view. Use the 4-camera view mode button to
display video from multiple cameras simultaneously.
The camera you are logged on to is the default display for the upper-left video pane in the multiscreen view. The device name for this camera is
displayed in the gray area near the top of all pages.
To select video to display in the individual multiscreen panes:
1. Click the desired View Mode display button.
2. Click the Show Device List button above the selected video pane. A list of encoders and IP cameras on the network subnet appears in the
video pane.
3. Click the name of the camera you want to view. The live video of the selected camera appears in the video pane.
4. Repeat steps 1 through 3 for the remaining video panes.