Televes TOX Series, Руководство пользователя

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COFDM - COFDM CI
16
MONITOR >>
CBER:
9.15E-5
e. Measurements menu 2
This menu indicates the occupancy rate of the
module’s output as well as the maximum achieved.
Whenever the maximum occupancy rate is
exceeded, it will result an output overfl ow and this
condition is indicated.
In these cases it will be necessary to eliminate
some services to cancel this condition.
MONITOR >>
Occupancy:
76%
Max:80%
MONITOR >>
Overflow!!
Occupancy values higher than 82% are not
recommended. This is a read only menu, which
disables the keys and .
f. Measurements menu 3
The following menu provides an indication of
the unit’s
current temperature as well as the
maximum recorded. The maximum can be reset by
pressing the key .
MONITOR
Now: 04
Max: 05
reset
The recommended operating margins are as
follows:
• Optimum operation : 0-6
• High temperature: 7-8
• Excessive temperature: 9-10
If the maximum recorded is outside the optimal
range the installation should be adjusted in order
to reduce the temperature.
If the COFDM-COFDM CI modules have been
installed in a housing ref. 5069 and the temperature
of one of the modules is outside of the optimal
operating range, the ventilation unit ref. 5334 will
have to be installed. To check whether this change
is eff ective, the maximum can be reset and its value
checked after a given time.
5.2. Extended menu
When the key is held down for more than 3
seconds the unit shows a series of less frequently
used menus called
extended menus .
a. Confi guration menu
This menu enables the address of the unit to be
selected (to be controlled through a CDC Headend
Control).
It also allows selection of either the
table of
channels to use or the frequency mode operation.
CONFIG.
CDC Adr: 001
Ch. table
CCIR N.Z.Ind
CONFIG.
CDC Adr: 001
Frequency
mode
Selectable are:
•
CCIR
• China
• Chile
• Italy
• France
• OIR channels
• Ireland
• South Africa
• Poland
• Australia