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Idiomas disponibles
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User manual
5. - HOW TO USE THE PRODUCT
5.1. MAIN MENU
When the programmer connector is inserted
in the "PRGM" socket of the front pannel of
ASI-COFDM, the first information displayed
is the programmer version:
PCT
firmware
------------
Version X.XX
Next the firmware program for the ASI-
COFDM will appear :
Unit
firmware
version:
V:X.XX
a.- COFDM1 modulation menu
The first main menu allows you to select
several COFDM modulation output parame-
ters:
COFDM
>>
8MHz
64QAM
GI:1/32
FEC:1/2
The parameters which may be selected in
the menu and their corresponding values are
as follows:
- COFDM Signal Bandwidth: 7MHz or 8MHz
- Modulation: QPSK, 16QAM or 64QAM
- Guard interval: 1/4, 1/8, 1/16 or 1/32
- FEC: 1/2, 2/3, 3/4, 5/6 or 7/8
33
ASI-COFDM
b.- COFDM2 modulation menu
The following main menu allows you to
select the remaining COFDM modulation
parameters:
COFDM
Cell_id:
0x1435
IQ:inversion
Cell-ID is the cell identification. The menu
permits the selection of any six-character
value between 0x0000 and 0xFFFF.
modify this parameter , press the
the cursor is on the selected digit.
Modifications can be made using keys
and
.
The last parameter is the selection of the
output spectrum inversion. The two possi-
ble options are "normal" or "inversion".
To
key until
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