PVR 6000 Series
Professional Integrated Receiver Decoders
Page 4-23
The Roll-off factor is the factor that is used for the base-band shaping of the
transmitted signal. Set the Roll-Off factor in accordance with the transmitted
Roll-Off factor.
Roll-off
1
AUTOMATIC
2
{
35%
3
{
25%
Available options for the Roll-off factor are:
•
35%, 25%, 20%
FEC
R
ATE
The
FEC Rate
parameter sets the Forward error correction rate value. The FEC
parameter can be acquired from the satellite transponder information or can be
set to automatic. When in Automatic mode, the PVR 6000 device tries all FEC
rates until locking the rate to the transport stream.
FEC Rate
1
AUTOMATIC
2
{
1/2
3
{
2/3
4
{
3/4
5
{
5/6
6
{
7/8
6
{
8/9
The available options are:
•
Automatic
•
1/2
•
2/3
•
3/4
•
5/6
•
7/8
•
8/9