DRAKE ENCODER HOST EH244 Manuel d'instruction - Page 8
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Figure 2: EH244 Status Tab
The Encoders tab allows you to set each encoder's
individual parameters. Select an encoder module
from the drop-down menu, and the appropriate set-
ting selections will be displayed.
The Channels tab provides an interface to configure
the virtual channel mappings for this encoder host.
If PSIP is enabled, this page will display a screen
that looks like Figure 3; for each encoder output, the
MPEG program number can be modified, along with
the Major and Minor channel numbers. If one-part
virtual channel numbers are desired, the PSIP Mode
must be set to CVCT and the Minor number for each
channel should be set to 0.
Figure 3: EH244 Channels Tab
CONFIGURATION
The Output tab provides an interface to set all mod-
ulator output settings for the unit. A screenshot of this
tab is shown in Figure 4. This tab selects the DTA
and EAS modes, channel bitrates, QAM settings,
and the mapping from encoders to output channels.
For settings like the DTA/EAS options, more options
appear as you enable the sub-systems.
Figure 4: EH244 Output Tab
The Firmware Update tab allows you to update all
of the firmware on the unit with a single upload (see
Figure 5). Once you have received a new firmware
image for the unit, click on the Choose File but-
ton and select the provided firmware; click Upload
to initiate the update. After a few minutes, the unit
will restart with the new firmware. If a power loss
occurs during update, the unit will recover automat-
ically – if the firmware upload was not completed, it
may be necessary to re-initiate the update process
once power is restored.