Nautel GV5, Operation & Maintenance Manual, Page: 55 / 251

GV5/GV3.5 OPERATIONS & MAINTENANCE MANUAL OPERATING THE TRANSMITTER
PAGE 3.2.38 VERSION 0.2 2014-07-23
To view the Tool Menu options (see Figure 3.2.22 on page 3.2.37 ), close an existing panel by pressing X
in the upper, right corner and then press the icon in the blank space. Select an icon to display that
panel. See
Table 3.2.3 for a description of each tool menu panel.
Describing Instrument Panel Options
Table 3.2.3: Tool Menu Panels
TOOL MENU DESCRIPTION REFERENCE
Spectrum Displays a spectrum analyzer, capable of monitoring the transmitter’s RF
output and various RF sections of the exciter or an audio spectrum
analyzer that displays the composite baseband signal.
See
page 3.2.43
EQ Frequency Response Displays the frequency response of the modulator’s EQ filter.
See
page 3.2.43
EQ Impulse Response Displays the impulse response of the modulator’s EQ filter.
See
page 3.2.44
EQ Filter Delay Displays the delay of the modulator’s EQ filter across its bandwidth
See
page 3.2.45
Oscilloscope Displays an oscilloscope, capable of monitoring various audio inputs and
the precorrection forward/reverse signal.
See
page 3.2.43
AM-AM Correction Displays the amplitude compensation being applied to the magnitude
signal.
See
page 3.2.48
AM-PM Correction Displays the phase compensation being applied to the phase signal.
See
page 3.2.49
Signal Constellation Displays the phase and amplitude of the symbols being modulated within
an OFDM sub-carrier as dots on a cartesian graph. Also displays timing,
MER and data carrier information.
See
page 3.2.50
Lissajous Plot Displays a Lissajous figure that represents the relationship between the
two applicable channels (either L and R or I and Q).
See
page 3.2.51
Power Distribution Displays a CCDF plot that indicates the probability of exceeding a given
power level, based on the average power level. Aids in determining peak
power capability.
See
page 3.2.52
Audio Processor
(optional) Appears only when Orban Inside audio processor is installed and
enabled. Displays various audio processor meters that indicate levels for
inputs, AGC, gain reduction, multiplex (MPX) power and composite.
Refer to
Enabling and Operating the Orban Audio Processor on
page 3.2.196
and the Orban Optimod 5500 manual for detailed
information on these meters.
See
page 3.2.206