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12.5
Terrestrial band
The appliance automatically makes level measurements on the Video carrier wave.
The following table sums up the measurement types and the frequencies of the audio carrier waves for each
standard:
Standard
Video carrier
BG
negative, AM
DK
negative, AM
I
positive, AM
L
positive, AM
MN
negative, AM
DVB-C
digital
DVB-T/H
digital
DVB-T2
digital
DAB/DAB+ digital
FM
FM
Carrier
not modulated
The appliance displays the level of the Video carrier wave and the C/N ratio.
12.6
Thresholds
Predefined thresholds are used to assess if the measurement is pertinent.
– MCT059 –
Measure
Mono
peak
FM
5.5 MHz
peak
FM
6.5 MHz
peak
FM
6.0 MHz
peak
AM
6.5 MHz
peak
FM
4.5 MHz
power
power
power
power
average
average
Standard
Terrestrial analog TV
DVB-C/C2
DVB-T/T2
DAB-DAB+
FM, Carrier
Satellite analog TV
DVB-S, DSS
DVB-S2
Sound carrier
stereo
FM
5.74 MHz
FM
6.258 MHz
FM
4.72 MHz
Min
Max
57
74
57
74
35
70
35
70
50
66
47
77
47
77
47
77
p.
52
NICAM
DQPSK
5.85 MHz
DQPSK
5.85 MHz
DQPSK
6.552 MHz
DQPSK
5.85 MHz
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