User manual
5. - HOW TO USE THE PRODUCT WITH PCT 4.0 PROGRAMMER
5.1. MAIN MENU
When the programmer connector is inserted
in the "PROG" socket of the front pannel the
first information displayed is the program-
mer version.
Then the COFDM-QAM unit version and
build number are displayed:
a.- Input menu
This menu displays the following input para-
meters: input frequency or input channel
(depending on the selected mode), bandwith
selection (7-8 MHz) and preamplifier power
supply (0, 12 or 24V).
To modify a parameter you must press
hasta que el parámetro deseado parpadee.
until the desired parameter flashes on and
off. Then you can change the value using
and
.
When working on frequency mode (see
extended menu), the central frequency of
the channel will be selected, with a minimum
step of 1MHz. The input frequency range is
from 174 MHz to 230 MHz (BIII) and from
474 to 858 (UHF).
In the bottom left corner of the display an
estimation of the detected input level is
shown.
" -- "
Low level
"--"
Right level
" -- "
High level
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COFDM-QAM
Should a shortcut is detected in the input
connector (preamplifier powering enabled),
the front led of the module will blink until this
state disappears.
b.- QAM modulation menu
The following menu indicates the parame-
ters of the selected QAM modulation:
The possible values for the QAM modulation
order
are:
16QAM,
32QAM,
128QAM and 256QAM.
The IQ parameter is the selection of the
modulation format and can be selected
"normal" or "inversion".
64QAM,