AMX Vision 2, Руководство по эксплуатации/справочник

Страница: 93 / 128

DVB Service
83 Vision
2
Operation/Reference Guide
Scanning for Available Channels
Perform these steps to scan for available channels on all frequencies:
1.
Select Configure DVB from the DVB Service Menu on the left pane of the window. The Configure DVB
Service page appears (FIG. 75).
2.
Select the tuner you want to use from the Tuner Hardware options menu, and click Apply .
3.
Enter the IP address you want to scan in the Address field. This IP address should be the multicast
address of the applicable transmitter.
4.
Enter the port you want to scan in the Port field.
5.
Click Start . Vision
2
begins to scan for available channels. Any channels it finds appear in the channels
section at the bottom of the page.
Multicast Settings
The following options are available in the multicast section:
Setting the Multicast Address
Perform these steps to set the multicast address:
1.
Select Configure DVB from the DVB Service Menu on the left pane of the window. The Configure DVB
Service page appears (FIG. 75).
2.
Use the Network interface to multicast on options menu to indicate which network interface you want
to use for multicasting.
3.
Enter the base multicast address in the Base Multicast Address field. All channels selected to multicast
are offsets from this address.
4.
Enter the port for this channel in the Port field.
5.
Enter a value for the multicast TTL for this channel in the TTL field. This step is optional.
6.
In the Channels area, click the check box in the Multicast column for the channel you want to multicast.
This step changes the multicast value of the channel from false to true. A confirmation pop-up appears.
Click
OK to accept this change. Repeat this step for each channel you want to multicast.
7.
Click Apply .
FIG. 79 Multicast Settings
Multicast Options
Network Interface Use this setting if the server has multiple network cards and you want to
specify which one is used. This setting does not normally require changing.
Base Multicast Address All of the channels selected to multicast will be an offset from this address. For
example, if the Base Multicast Address is 234.0.0.0, the first channel on the list
is multicast on 234.0.0.0, and the second 234.0.0.1, etc.
Port This is the multicast port number to be used.
TTL This is the multicast TTL value. You can enter a value in the space provided.