Televes 564301, User Manual

Page: 21 / 36

EN
21
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Operating temperature ranges are scaled from 0 to
10 in the following way:
•
0 to 6 Optimum temperature range.
•
7 to 8 High temperature range.
•
9 to 10 Too high temperature
.
Should the temperature be out of the optimum
temperature range, please provide adequate
cooling to reduce it.
In case of using a wall mount cabinet, Ref. 5069, to
accommodate these modules MUX DVBS2-QAM
and COFDM CI, and the temperature was out of
the optimum range in any module of the headend,
make use of the ventilation unit Ref. 5334.
To check whether this change is e ff ective or not,
reset the maximum recorded and then check again
the temperature after a time deemed appropriate.
5.2.d Versions menu
This menu displays the fi rmware version for
the unit as well as the one of the QAM/COFDM
modulator.
be applied either for demodulator A or
demodulators B and C.
»
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LNB power voltage
Lets you select one of the
four available satellites (A, B, C and D), by
using DiSEqC commands whenever it is
necessary (e.g. a multiswitch output). 0
Vdc; 13 Vdc; 13 Vdc+22 KHz tone; 17 Vdc;
17 Vdc+22 KHz tone.
Symbol ~ on the RCU screen means 22
KHz. If you choose option “0 volts” for the
LNB, it disables any satellite selection.
5.2.c Temperature measurement
menu
This menu shows the current measured
temperature, and the peak in º C.
The maximum recorded temperature may also be
reset by press and holding the (more than 3 sec).
5.2.b Configuration menu 2
This menu allows to select the number of unit
inputs, as well as controlling the LNB powering and
the DiSEqC command for each one of the enabled
inputs.
Although the product has 3 demodulators A, B
and C, the signals can come from a single input
port (in which case the second port functions as an
input loop-through), or from the two input ports,
in which case the signal distribution is done as
follows:
input port 1 to demodulator A
input port 2 to demodulators B and C.
Choices are the following:
•
Number of inputs LOOP-THROUGH
» ON The second connector works as an
output for the signal coming in through
the fi rst connector, and thus this signal
is available for serving another module.
Demodulators A, B and C receive the
same signal.
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» OFF This choice con fi gures the second
connector of the unit as an independent
input, and therefore will supply the
signal to demodulators B and C. This can