Freedom R8100 SERIES, Руководство оператора

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CAUTION
Do not /- 1.5 V
pk
on the Mod In/Out port or damage may occur to internal circuitry.
Mod In Port Mode
Activates a horizontal submenu with an Off or Continuous selection for the external signal applied to the
Mod In/Out port on the front panel.
2.2.3.5 Setting audio operating parameters in Duplex mode
The audio settings in Duplex mode replicate those in Generate mode - see section 3.2.4.4.
2.2.4 Display Zone
The R8100 has several graphical displays providing a visual presentation of received RF signal
measurements, recovered audio, internally generated audio, and externally measured audio signals. These
include a Spectrum Analyzer, Modulation Scope, and Oscilloscope, along with Bar Graphs for RF signal
deviation, frequency error and input level. The displays are accessed from the main menu with the Display
Zone soft key – see Figure 3.2.5-1.
Note: General Sequence appears as a display choice if General
Sequence is enabled in the Meter Zone.
The vertical submenu selections below the “Select Display” soft key change depending on the chosen
display - in this case the Spectrum Analyzer is highlighted in blue on the “Select Display” horizontal
menu. The vertical soft key menu now has several pages of Spectrum Analyzer settings including Center
Frequency, Span, Start and Stop frequencies, etc.