Nautel NV7.5, Operation And Maintenance Manual

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NV10/NV7.5 Operations and Maintenance Manual Operating the transmitter
Page 2-42 Issue 3.4 2016-08-03
Use the scroll bar to select a higher or lower sub-carrier for viewing. Some sub-carriers are for
timing and synchronization. Others are modulated with data/content. Use the maximize or
minimize buttons as required.
Figure 2.28: Lissajous Plot
Lissajous plot
See Figure 2.28 . This panel displays a Lissajous figure that represents either L (left) and R
(right) audio content or a representation of the FM modulated signal [I (in-phase) and Q
(quadrature)]. I and Q will be automatically selected unless the transmitter is operating in
stereo mode or not operating in IBOC. Left and right audio content is displayed for all other
audio sources.
L and R mode
I and Q mode