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11.3
Autolock function
This function is design to lock on a digital signal (terrestrial, cable or satellite)
You just have to enter the frequency or the channel (for terrestrial), then press AutoLock, The instrument will
find automatically in few seconds the digital standard, the modulation type and all other parameters of the
signal.
Example for terrestrial, channel 38 (frequency 610MHz):
11.4
Level measurements
You can measure levels at a specific frequency with a detection matching the standard.
In terrestrial band, for an user socket, the level should be:
-
-
-
In satellite band, for an user socket, the level should be:
-
Example in terrestrial mode:
7849B – 7859B – 7817B
between 50 and 66 dBµV under FM
between 35 and 70 dBµV under DVB-T/H, DVB-T2
between 57 and 74 dBµV in any other case
between 47 and 77 dBµV.
p.
50
Reduced spectrum of the
Span signal, ca. 10MHz
Signal level
Signal/noise ratio of
the signal
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