External Units Power Supply - Promax TV EXPLORER HD ATSC Manual De Instrucciones

USER'S MANUAL. TV EXPLORER
5.7

External Units Power Supply

The TV EXPLORER
external units (antenna preamplifiers, in the case of terrestrial TV, LNB in the case of
satellite TV, or IF simulators).
In order to select the supply voltage of the external units, press
the screen will display a functions menu labelled EXT. SUPPLY listing the choice of
voltages (which will depend on the band being used). Turn the rotary selector
the desired voltage and press to activate it. The following table shows the choice of
supply voltages:
Band
SATELLITE
TERRESTRIAL
MATV
(Master Antenna Television)
In the External power supply mode is the unit powering the amplifiers before the
antenna (terrestrial television) or the satellite TV receiver (house-hold or community)
also powers the external units.
The DRAIN [3] indicator lights when current is flowing to the external unit. If any
kind of problem occurs (e.g., a short circuit), an error message appears on the monitor
('SUPPLY SHORT'), the acoustic indicator will be heard and the instrument will cease to
supply power. The TV EXPLORER
state until the problem has been solved, during this time it verifies every three seconds
the persistence of the problem warning with an acoustic signal.
12/2010
HD ATSC
HD ATSC can supply the voltage needed to power the
Powering voltages
External
5 V
13 V
15 V
18 V
24 V
13 V + 22 kHz
18 V + 22 kHz
External
5 V
13 V
15 V
18 V
24 V
Table 3.- External units powering voltages.
HD ATSC does not return to its normal operating
[11] key, and
[1] to
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