Polytron PCU 4111, User Manual

Page: 16 / 52

16
8.2.4. Output Parameters DVB-T
OP > Operating Mode
Normal> normal mode
Single > single carrier for
level measurement
with an analog
antenna measuring
device
Zero > digital channel with
content 0 (constant
level without
fluctuations)
F > Output Frequency
Frequency freely selectable.
It is recommended to stick
to the corresponding
TV standard channel spacing.
The frequency of the channel middle is set.
(e.g.
channel 21, 470
…478
MHz,
set to 474 MHz)
BW > Bandwidth
Choose bandwidth depending on
output frequency between 7 MHz
and 8 MHz
CR > Code Rate
Setting of the possible Code rate
(1/2, 2/3, 3/4, 5/6, 7/8)
GI > Guard Intervall
Setting of the possible Guard
intervall (1/4, 1/8, 1/16, 1/32)
CM > Carrier Modulation
Setting of the possible
carrier (2k, 8k)
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