mediaMAX MINI - Fte maximal

ev 1.5
Reserved of technical modifi cations and/or errors
User’s Manual - mediaMAX MINI
With the spectrum on screen, move the rotary wheel to sweep the frequency band to spot the target
signal. If only spectrum is needed on the monitor, press the buttom “spectrum” to active it.
In cable band, “nav” key selects only frequency mode to sweep the band normally by frequency with
100 KHz steps.
10.3.3 Measurement selection
With the target signal identifi ed, it’s necessary to select the signal type (analog or digital). Press “options”
key, select “Carrier mode” and there will be two differents options:
•
•
Analog: if analog signal
Digital: if digital signal
Select one of them and confi rm clicking the wheel.
For digital cable signal, it is necessary setup signal parameters. Select “Digital modulation”. It is
necessary to setup the following parameters:
1. Symbol rate: This parameter should be fi xed according to the Bit Rate (symbol rate) of
the channel, data which is supplied by the operador.
2. Spectrum inversion: Pushing on this fi eld, you can see the following options:
- Auto: Enables the automatic way of spectrum inversion.
- On: Enables the manual way of spectrum inversion.
- Off: Disables the manual spectrum inversion.
You should enabled in case it is necessary to invert the spectrum. If you select incorrectly
the inversion of the spectrum, the reception will be not correct.
3. Constellation: This parameter will be fi xed according to the modulation of the channel.
This data is supplied by the operator of the channel. You can select different constellations
(modulations): 16-QAM, 32-QAM, 64-QAM, 128-QAM y 256-QAM.
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