Televes COFDM-PAL Manuel D'utilisation page 43

User manual
For example:
This indicates 8K carriers, a constellation 64
QAM, guard interval 1/4 and a Viterbi rate
2/3. When the demodulator is not linked, the
following will appear "0.0.0.0."
h.- Input level
By pressing the button, you access the
input level indication menu.
Level > -20 dBm
Level -60 < N < -20 dBm
Level < -60 dBm
Once this point has been reached, the main
parameters of the COFDM-PAL module
have been configured. By pressing the
button for approximately 3 seconds, you
can have access to a series of options that
are less frequently used and that are called
the Extended Menus.
5.2.- Extended Menus
a.- Device address
The first option that appears in the extended
menus is the selection of the device's
address. For a headend to be remote
controlled, as explained in section 7, each
controllable element must have a unique
address.
It is the installer's responsibility to
ensure that no addresses are repeated in
the control bus.
The button lets us select the digit that we
want to modify, increasing or decreasing the
value using the or buttons. The
addreses available are from 1 ... 254, for
example, the address number 34:
43
COFDM-PAL
b.- Preamplifier powering
The second extended menu allows the user
to select the powering of a possible
preamplifier. One of the following options
can be selected:
No powering
12V powering
powering
(1)
24V
(1) The user must make sure that the 4 pin cable is
connected to the CTRL connector.
c.- Selection of bandwidth
By pressing the button, it is possible to
gain access to the input filter selection. The
user can select 7 or 8 MHz. The following
will appear on the display:
7 MHz filter selected
8 MHz filter selected