Kenwood TS-990S In-Depth Manual page 57

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● AM Mode

The FFT bandscope analyzes a frequency width of 10 kHz at one time; hence, configuring the frequency span to 10 kHz

or less eliminates the time difference in the displayed frequency span. When an AM modulated wave is received, an

almost bilaterally symmetric spectrum with the carrier centered can be observed.

Fig. 83 Example of Bandscope Display for Received Signals in AM Mode

● RTTY Mode

The high frequency resolution serves to clearly separate mark signals and space signals and enables the spectral

observation which is characteristic to the operation in RTTY mode.

Fig. 84 Example of Bandscope Display for Received Signals in RTTY Mode

DSP 06

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