Page 66
NewS
tream
User Guide and Technical Manual
Satellite Status Page
[Continued]
Symbol Rate
Symbol Rate [aka baud or modulation rate] is the number of symbol changes [i.e.
waveform changes or signalling events] made to the transmission medium per second
using a digitally modulated signal or a line code. The Symbol Rate is expressed in Mega
symbols/second [Ms/s]. The valid range is 1.0000-36.0000 Ms/s.
Roll Off
Roll-off describes the steepness of a transmission function with frequency, in connection
with
fi
lter circuits in the transition between a passband and a stop band.
Values of Roll-off are expressed in percentages, ranging from:
• 35%
• 25%
ASI Bitrate
The Video Bitrate displayed ranges from 0 to 99.999 Mb/s.
Modify Presets Page
While viewing a Status page, click the Setup button to display the drop-down menu. The
menu displays the following options:
• Modify
Presets
• Frequency
Plans
•
NewS
tream
Settings
• Manual
Mode
• License
Manager
Select
Modify Presets
to begin creating custom con
fi
gurations for SNG, ENG and CNG
transmission in the page shown in Figure 33.
NewS
tream
is con
fi
gured with three factory
default presets with the ability to create up to 99 custom presets. You can modify each
preset name and its type in the Modify Presets page, as shown in the
fi
gure. You can
con
fi
gure additional settings for each custom preset by clicking the
con
fi
gure preset
icon. Presets marked with the padlock symbol
are factory defaults and cannot be
modi
fi
ed but can be used as a template for your custom presets. The active preset is
highlighted
highlighted.
In the Modify Presets page you can use the Export
tool to save custom presets to a
fi
le or to other IDUs. Additionally, you can import presets from a directory on your PC, to
another IDU or to a USB
fl
ash drive using the
tool which loads custom presets from
a
fi
le. This feature can not be implemented while the system is transmitting.
