Automatic Signal Identification Function (Auto Id); Channel Plans - Promax PRODIG-3 Manual Del Usaurio

5.8

Automatic signal identification function (AUTO ID)

The PRODIG-3 allows automatically identifying TV signals, according to the
established configuration, which are presents in the channel or tuned frequency. In
order to activate this function must once press
combine this process with the spectrum monitoring
marker on the levels susceptible to contain a transmission, and activating later the
process of automatic identification in order to identify the present signal.
Figure 8.- Signal automatic identification screen. AUTO ID.
First it recognises whether the signal is an analogue channel or a digital one. If
the channel is analogue, it determines the television standard of the signal. When the
signal is digital (DVB), it analyses for each modulation type QPSK / COFDM all the
associated parameters such as the modulation system: carriers 2k-8k, symbol rate,
code rate, etc.,. and determines the value of the signals under test.
If the AUTO ID function is launched in the spectrum analyser mode, the name of
the network will appear temporarily on screen (it also appears in the measurement
display). In case of working in the satellite band the orbital position appears as well.
Whenever the process detects new parameters for a channel or frequency will
create a new channel plan containing the detected information.
5.9

Channel plans

The signal automatic identification process as much as the exploration of the
frequency spectrum could yield the generation of new customised channel plans
relative to the usual work locations of the meter equipment.
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FREQ:
CHANNEL:
STARTING...
TESTING FOR ANALOG
NOT ENOUGH LEVEL 43.5 < 50 dBµV
TESTING DVB-T
POWER OK 59.3 >= 32.0 dBµV
CALCULATING CHANNEL BW
CANCEL
USER'S MANUAL. PRODIG-3
[25] key. Specially useful, is to
[13], so that after locating the
03/2008