FTE Maximal MODIG HD Manual Del Usuario página 42

Channel
15. : select the channel to modulate the signal.
It must be different than other channels of the installation.
16. Scroll through the menu options with the "Up ▲ /
Down ▼" keys to move the cursor to the
option. Press "ENTER" to enter into the
menu.
In the same way as all the menus, you can scroll, select
and modify the parameters. We recommend configuring at
least the following parameters:
RF frequency
17.
change the modulated channel output frequency.
Bandwidth
18. : select here the modulated signal
bandwidth. The bandwidth is typically 8MHz in case of UHF
channels and 7 MHz in case of VHF channels.
Constellation
19.
constellation. It is typically 64 QAM.
FEC
20. : indicates the relationship between the
redundant bits and the transmitted information bits. It is
typically set as 2/3 (we will find 2 information bits and 1
redundant bit).
FFT
21. : selection of the number of carriers used in the
modulation. It is typically 8K.
Guard interval
22.
the modulation. It is typically set as 1/4.
Technical changes and mistakes reserve
User manual – MODIG HD
: this option allows you to manually
: select the output
: allows selecting the guard interval of
Advanced config
Advanced config
modulation
13
Channel
►474.0 CH 21
Modulator
►Advanced config
RF frequency
474.0 MHz
Bandwidth
►8M
Constellation
►64 QAM
FEC
►2/3
FFT
►8K
Guard Interval
►1/4
MODIG HD Version en_1.4 Fte maximal