SatExpander SatX Installation And Operation Manual page 73

SatX/SE300—Front Panel Operation
When SATX working in Duet mode, maximum value is 70MSPS
3. Click OK to accept the value.
4.2.7.1.6 Roll-Off
Sets roll-off of the squared root raised cosine (SRRC) matched filter at the modulator output.
1. Navigate through the list using the ▲ ▼arrow keys.
2. Possible values:
DVB-S2: 5%*, 10%*, 15%*, 20%, 25%, 35%.
o
SATX*: 5%, 10%, 15%, 20%, 25%, 35%
o
SATEX*: 2%, 5%, 10%, 15%, 20%, 25%, 35%
o
*License relate
3. Select an item by clicking the OK key.
4.2.7.1.7 Golden-Sequence
All symbols, with the exception of the header symbols, are scrambled by a golden sequence, which is
reset at the start of a frame.
1. Enter the value using the numeric keypad.
2. Possible values: 0 to 262141.
3. Click OK to accept the value.
Input-Level-Mode
This item allows you to select the input level mode. Must be identical to the modulator.
1. Press OK and use the ▲ ▼ arrow keys to navigate through the list.
2. Possible values:
o Constant Power: Power stays the same in all MODCODs.
o Constant Envelope: The outer ring or envelope of the constellations is kept equal for all Mode
Codes.
3. Press OK to save this configuration.
4.2.7.1.8 None-Linear-Mode
Activate the Dynamic Distortion Compensator (DDC) for non-linear channels. This is usually applicable
for saturated transponders. For further details, please refer to Chapter 8.
1. Navigate through the list using the ▲ ▼arrow keys.
2. Possible values: Enable or Disable.
3. Click OK to accept the value.
4.2.7.1.9 SATEX-NLC-Mode
NLC (Non Linear Constellation) mode uses optimized constellations when working in SATEX ™mode
with a non-linear transponder (saturated transponder), to improve system performance.
1. Press OK and use the ▲ ▼ arrow keys to navigate through the list.
2. Possible values:
o Off: NLC is off, to be used on linear transponder
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