Extended Menu - Televes COFDM-QAM Manual De Instrucciones

User manual
g.- Output level
By pressing the button, it is possible to
access the output level selection. In this
case, the cursor is not used for the selection
of the digit, and instead the
tons are used to choose the output level
between 00 (minimum) and 99 (maximum).
For example, 86:
Once this point has been reached, the main
parameters of the COFDM-QAM module
have been configured. By pressing the
button for approximately 3 seconds, the
user can access a series of options that are
less frequently used which are called
Extended Menus.
5.2.- Extended menus
a.- Device address
The first option that appears in the extended
and but- menus is the selection of the device's
address. For a headend to be remote con-
trolled, 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
The addresses available are from 1 ... 254,
for example, the address number 36:
b.- Preamplifier powering
The second extended menu allows the user
to select the powering of a possible pream-
plifier. One of the following options can be
selected using the
(1) The user must make sure that the COFDM-
or buttons.
c.- Selection of the input signal bandwidth
By pressing the
gain access to the input filter selection.
This menu is only displayed if the mode
selection is by frequency (see paragraph f.-
Selection of channel/frequency mode). The
user can select 7 or 8 MHz. The following
will appear on the display:
36
COFDM-QAM
and buttons :
No powering
12V powering
(1)
24V powering
QAM module and the power supply are con-
nected through the 4 pin cable (see section 6.-
Configuration example).
button, it is possible to
Input filter: 7 MHZ
Input filter: 8 MHZ