Televes H45 Compact, Руководство пользователя

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TV
Mode
77
3.3.3.2.1.3- C/N
On selecting this function, the Carrier/Noise ratio measurement will be selected. Noise
measurement is carried out automatically.
- C/N Measurement. Channel tuning -
If the channel tuning mode is used, the channel on whose carrier the level measurement is
being taken will appear. As mentioned in the measurement of the V/A ratio, if frequency tuning ,
is used, the level measurement is made on the frequency tuned by the user, and will depend on
that frequency corresponding with the real carrier of the channel.
3.3.3.2.1.4- C/N line
dB Measurement that indicates the quality of the analogue image .
This measurement corresponds to the sound carrier relationship but synchronised to a specific
TV line (line 3 and line 25). By default the selected line is line 6, a line that corresponds to a test
line.
The user can select any of the TV signal´s active lines using the Line C/NL function (paragraph
3.3.3.2.1.4.1).