Promax -27 Manual De Uso página 125

USER'S MANUAL. PROMAX-27
Measures displayed on this screen are next:
PWR:
MER:
PreBER:
PostBER:
Locked /
Unlocked:
At the bottom of the screen you will see next options:
ANALOG [F1]:
DIGITAL [F2]:
SPECTRUM / SCAN [F3]:
RESET [F4]:
BW / CHAN / MOD / S.R. /
ANNEX / QUADR /
FREQ [F5]:
If channel we are analysing is defined as analog, it will appear a warning
message on the screen. The message will be "Warning: CXX is defined as
ANALOGUE".
09/2010
Power input level. (It appears on numerical and graphical
mode).
Modulation Error Ratio.
Measurement before correction.
Measurement after correction.
It shows whether the signal is locked or not.
It leads to TV Analog mode.
It leads to previous screen (TV digital mode).
It goes to SPECTRUM mode (refer to section 4.2.5.4.2)
/ SCAN mode (refer to section 4.2.5.4.1).
It does a reset of the signal and measures again.
Pressing this key you can navigate among editable
parameters. To change them, use the Cursor keys or
the alphanumeric keypad as appropriate. BW, to
change bandwidth; CHANNEL to change channel from
de plan channel; MOD, to define modulation (QPSK,
QAM16, QAM32,
QAM256); S.R.: to define symbol rate; ANNEX, to
define the standard of application (A / B / C);
QUADRANT, to select the displayed quadrant (Q1, Q2,
Q3, Q4, ZQ1, ZQ2, ZQ3, ZQ4, ALL). The ZQx option
makes a zoom in over each quadrant. Pressing the
selection key [8] you can switch between viewing or
hiding the constellation diagram; FREQUENCY, to
change frequency.
QAM32u, QAM64, QAM128,
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