Nautel NV30LT-N, Руководство по эксплуатации и техническому обслуживанию

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NV30LT-N OPERATIONS & MAINTENANCE MANUAL OPERATING THE TRANSMITTER
PAGE 3.2.42 VERSION 0.1 2015-03-01
Oscilloscope
See Figure 3.2.29 . The NV30LT-N’s exciter includes an oscilloscope to allow monitoring of audio input
parameters. The oscilloscope displays a real-time waveform for the selected audio input (e.g., L/R audio
input). The audio input(s) being monitored is displayed in the upper, left-hand corner of the panel (e.g.,
R in green, L in blue for L/R audio input.) The limits for the amplitude axis (volts/division) and time axis
(microseconds/division) are preset in software for each selected input and cannot be adjusted. The
following button controls are available:
Figure 3.2.29: Oscilloscope (Left/Right Audio input shown)
Use the “cog” button to gain access to the measurement source setting (see Figure 3.2.30 on page
3.2.43 ). Use the drop-arrow to select from the various options -
Precorrection Forward/Reverse
(shows reverse and forward sample signals),
MPX Audio, Left/Right Audio
(shows left and right
signals) or Audio I/Q (shows I and Q signals).
NOTE
: If the test signal generator is enabled, the test signal may appear on certain oscilloscope
displays. To view the actual audio input’s signal, disable the test signal generator (see Configure Test
Signal Generator, on page 3.2.114 ).
Stop Cog Play