USER’S MANUAL. TV EXPLORER II/II+
12/2013
Page
5
En
g
lis
h
DVB-C
(QAM):
Power, BER, MER, C/N and Noise margin.
Presentation:
Numeric and level bar.
DVB-S
(QPSK):
Power, CBER, VBER, MER, C/N and Noise margin.
Presentation:
Numeric and level bar.
DVB-S2
(QPSK/8PSK):
Power, CBER, LBER, MER, C/N and wrong packets.
Presentation:
Numeric and level bar.
CONSTELLATION DIAGRAM
Type
of
signal
DVB-T/H, DVB-C, DVB-S and DVB-S2.
Presentation
I-Q graph.
DVB-H SIGNAL PARAMETERS
Carriers
2k / 4k/ 8k (Selected by the user).
Guard
Interval
1/4, 1/8, 1/16, 1/32 (Selected by the user).
Code
Rate
1/2, 2/3, 3/4, 5/6, 7/8.
Modulation
QPSK,
16-QAM,
64-QAM.
Spectral
inversion
Selectable:
ON,
OFF.
Hierarchy
Indicates hierarchy mode.
Cell
ID
Transmitter station.
TPS
signalling
Time slicing, symbol interleaver and MPE-FEC.
DVB-C SIGNAL PARAMETERS
Demodulation
16/32/64/128/256 QAM.
Symbol
rate
1000 to 7000 kbauds.
Roll-off
(
α
) factor
of Nyquist filter
0.15.
Spectral
inversion
Selectable:
ON,
OFF.
DVB-S SIGNAL PARAMETERS
Symbol
rate
2 to 45 Mbauds.
Roll-off
(
α
) factor
of Nyquist filter
0.35.
Code
Rate
1/2, 2/3, 3/4, 5/6, 7/8 and AUTO.
Spectral
inversion
Selectable:
ON,
OFF.
DVB-S2 SIGNAL PARAMETERS
Symbol
rate
(QPSK)
2 to 33 Mbauds.
Symbol
rate
(8PSK)
2 to 30 Mbauds.
Roll-off
(
α
) factor
of Nyquist filter
0.20, 0.25 and 0.35.
Code Rate (QPSK)
1/4, 1/3, 2/5, 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 and AUTO.
Code Rate (8PSK)
3/5, 2/3, 3/4, 5/6, 8/9, 9/10 and AUTO.
Spectral
inversion
Selectable:
ON,
OFF.
Pilots
Indication if are present.
