Operating the Equipment Locally
Page 4-78
Instruction Manual: evolution 5000 E5710 and E5720 Encoder
ST.TM.E10074.1
Table 4.73: Modulation Type Options
Selected Option
Description
16-QAM
Cable channel uses 16QAM modulation.
32-QAM
Cable channel uses 32QAM modulation.
64-QAM
Cable channel uses 64QAM modulation.
128-QAM
Cable channel uses 128QAM modulation.
256-QAM
Cable channel uses 256QAM modulation.
FEC (Outer) Option
To access the FEC (Outer) option, press the FEC (Outer) softkey in the
Delivery Descriptor
Menu
. This screen enables the outer FEC rate used
by the cable channel to be specified.
FEC (Outer)
FEC (Outer) :
+
No outer FEC coding
—
Enter
l
Update using softkeys
Quit
l
Table 4.74: FEC (Outer) Options
Selected Option
Description
No outer FEC coding
Cable channel does not use outer FEC.
RS(204/188)
FEC (Inner) Option
To access the FEC (Inner) option, press the FEC (Inner) softkey in the
Delivery Descriptor
Menu
. This screen enables the inner FEC rate used
by the cable channel to be specified.
FEC (Inner)
FEC (Inner) :
+
5/6
—
Enter
l
Update using softkeys
Quit
l
Table 4.75: FEC (Inner) Options
Selected Option
Description
No conv. coding
Cable channel does not use inner FEC rate.
1/2
Cable channel uses inner FEC rate of 1/2.
2/3
Cable channel uses inner FEC rate of 2/3.
3/4
Cable channel uses inner FEC rate of 3/4.
5/6
Cable channel uses inner FEC rate of 5/6.
7/8
Cable channel uses inner FEC rate of 7/8.
8/9
Cable channel uses inner FEC rate of 8/9.