Specifications

DVB Service
62
Vision
2
Operation/Reference Guide
2. Enter the base multicast address in the Base Multicast Address text box. All channels you choose to
transmit are multicast using IP addresses which are offset from this address. For example, if the Address is
set to 234.0.0.0, the first channel in the select to transmit table is multicast on 234.0.0.0, and the second
234.0.0.1, etc.
3. Enter the port that you want to multicast the output streams on in the Port text box.
4. Enter a value for the TTL setting for the output multicast streams in the TTL text box.
5. Click Apply to save the changes to the settings.
Scan Tuner for Available Channels
The Scan Tuner section is used to scan all of the frequencies used by the broadcaster and detect all of the
available TV (and optionally Radio) channels.
Perform these steps to scan for available channels on all frequencies:
1. Enter the multicast address of the tuner you want to scan
2. Enter the port used by the tuner multicast in the Port text box.
3. Choose whether you want to scan for Radio Channels as well as TV channels. Select Yes for the setting
Include Radio Channels to include radio channels.
4. Click Start. Vision
2
begins to scan for available channels. Any channels it finds appear in the Select
Channels to Transmit table.
FIG. 63 Multicast Settings
Once you have enabled some channels in the Select to Transmit table you will be unable
to change the settings in the Multicast Output Streams section
FIG. 64 Scan for Channels Settings
Scan for Channels Options
Multicast Address The multicast address of the output of the tuner you want to scan.
Port The port of the output of the tuner you want to scan.
Start Start the process of scanning for the available TV or Radio channels.
Stop Stop the scanning process. Only use this if you wish to return later and run the
scan process again, as not all of the channels may have been detected.
Include Radio Stations Enable this option to scan for Radio as well as TV channels
The DVB system does not support the decoding of encrypted channels, therefore
encrypted channels are not added to the channel list when they are detected.