Newtec Proprietary
Confidentiality: Unrestricted
R3.2_v1.0
176/387
Feature Descriptions
MDM9000 Satellite Modem
16.1.17.2.3 Roll-Off Signaling
MDM9000 >> Modulator >> Roll Off Signaling
• Standard : (2 bits : "10") roll-off signaling value is used for roll-off = 20%
• Reserved : (2 bits: "11") roll-off signaling value is "reserved" (11) is used for roll-off < 20%
Some DVB-S2 receivers can use the received roll-off bits state '11' for selecting a 15% roll-off filter.
In this case, it is favorable to choose the setting "reserved".In all other cases, it is recommended to
use the setting "standard" as this will guarantee compatibility with DVB-S2 receiving equipment.
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