Promax -27 Manual De Uso página 99

USER'S MANUAL. PROMAX-27
Next we explain with details the menu of the CHANNEL EDIT.
Depending on whether is an analogue or digital channel, the parameters will be
different. Following is described everyone.
CHANNEL PLAN:
CHANNEL:
FREQUENCY:
BW:
OFFSET
(only for analogue
channels):
SYSTEM
(only for analogue
channels):
MODULATION
(only for digital channels): You can select among QPSK, QAM16, QAM32, QAM64,
SYMBOL RATE
(only for digital channels): This value may be between 1000 and 7000 sym/s.
SYSTEM
(only for digital channels): Depending on the modulation used you should choose
09/2010
Figure 8.- CHANNEL EDIT menu
Name of the channel plan where is the active channel. No
editable.
Name of the channel. It allows you to navigate among
existing channels.
Is the frequency related to the channel. Not editable.
Bandwidth. Not editable.
It may vary between 2.5 and +2.5 MHz.
System type and communication standard. It can be
selected among systems PAL / SECAM / NTSC and
standards B/G, D/K, L , I, M, N. AUDIO FREQUENCY
(only for analogue channels): The frequency that the
audio signal is transmitted. No editable.
QAM128, QAM256 modulation.
the proper annex among following ones: ITU J.83 / A, ITU
J.83 / B, ITU J.83 / C.
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