Prodig5

UPDATE Digital/Analog TV, Satellite and Cable Signal Analyzer

Promax Prodig-5 TV Explorer
Thomas Haring

In the last issue of TELE-satellite maga-
zine, we introduced the basic functions of
the Prodig-5 TV Explorer from Promax to
our readers. Over the past several weeks
we took a closer look at the various details
of this unit and want to present them to
you in this report. Fortunately the manu-
facturer also recently released a new soft-
ware update for the TV Explorer. This gives
us the opportunity to tell you about the
changes that Promax implemented with
this update.

Software update
Thanks to the RS232 connector on the
Prodig-5 and the PKUpdate tool, Promax
can easily improve the unit’s functions by
releasing new software updates. The new Datalogger function; a feature included with either on the built-in display or via RS232
software as well as the upload tool are all other Promax products as well. Profes- and the PKTools software on your PC. With
available free of charge on the manufactur- sional installers will immediately know what this function it is possible to measure the
ers website www.promax.es. The update we are talking about: after installing a new signals from different antennas and even to
itself is simple Plug&Play; just connect the satellite dish, the customer or your boss check the signal quality in different apart-
unit to your pc via the RS232 port, start the would want to have a written report showing ments, if you happen to be building up your
upload tool and transfer the new software all the measurement results and providing own small TV network. The PKTools software
to your Prodig-5 TV Explorer. For those of proof that everything was installed correctly. can also be found free of charge on the man-
you that are not so experienced, Promax By pressing just one button, you can now ufacturer’s website www.promax.es
includes step-by-step instructions in the easily activate the unit’s
update tool. Datalogger function. This
feature stores all meas-

Datalogger urement results (Power,
C/N, BER, MER etc.) and
The Prodig-5 TV Explorer comes with a prepares them for output,

Data Logger
function

IF-Test
In a large apartment building it's not only
for aesthetic reasons to share one common
terrestrial antenna and satellite antenna.
And if you build up your own small cable
network you don't even need a receiver
on every connection box to get all of your
favorite channels. The IF test or Attenu-
ation test enables you to determine the
quality of a SMATV cable network before
installing the head-end equipment. In this
way you can identify the quality of already
existing cable installations or the maximum
loss you'll experience before you have to
buy and install the other equipment. The
test is performed in combination with the
RP-080 signal generator. It creates four
different output signals, two of them in
the terrestrial range (85-750 MHz) and
two of them in the satellite range (1000-
Software update via RS232

TELE-satellite International — www.TELE-satellite.com

2150 MHz). The Prodig-5 is now directly
connected to the signal generator and the
HDTV
Of course the Prodig-5 TV Explorer can
unit will save these values as calibration
measure HDTV channels and transponders,
default. In the next step the Prodig-5 can
but with some limitations: Because of the
now be connected to every available con-
built-in tuner, only transponders using the
nection box so that the current signal can
DVB standard can be processed, DVB-S2 is
be easily compared to the default one.
not supported. However, the compression
type (MPEG-2 or MPEG-4) doesn’t really
Noise margin matter, the unit can measure MPEG-2 sig-

measurement nals as well as MPEG-4 but for MPEG-4 it can
only display Power and C/N while for MPEG-
Promax has added this new and very 2 Power, C/N, BER, MER etc. are available.
clever option to the Prodig-5 TV Explorer Noise margin measurement The HDTV picture itself can't be displayed
with the last update (4.02). The unit can either for MPEG-2 or MPEG-4 but since we're
now perform a noise margin measurement, not talking about an HDTV receiver but a
which means that it calculates the maxi-
mum loss of the MER (in dB) so that the
Automatic satellite gauge that's really ok.

signal still can be received without distor- detection We strongly recommend that you install
tion. With this new function, Promax offers
for the first time a way to measure the bad of saturation the software update. The manufacturer did
an excellent job and the update provides you
weather reserve of a satellite dish. Amplifiers and overly powerful head-end with some new and very useful functions.
outputs can cause saturation in analogue
SMATV cable networks. The Prodig-5 helps
you to detect this problem by indicating it
with a small symbol in the upper left side
of its display and to fix it by reducing the
gain of the amplifier or the head-end output
signal. Furthermore, you can determine
the maximum allowable gain, so that even
in case of some unexpected higher gain
no saturation will occur. While displaying
black/white signals, the symbol will always
be displayed since these signals don't con-
tain any color information.

IF-Test Automatic detection of saturation

TELE-satellite International — www.TELE-satellite.com

Prodig5

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