Icom IC-7850 Instruction Manual - Page 127
Scope set screen, USB mouse operation, Default: ON, Default: 10s Hold, Default: Filter Center
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Previous view 6 SCOPE OPERATION ■■Spectrum scope screen (Continued) DDScope set screen This Set screen is used to set the waveform color, Scope range for the Fixed mode, and so on. qqDisplay the Scope screen, then hold down [EXPD/ SET](F) for 1 second. SCOPE [F-1] EXPD/SET [F-7] • The Scope set screen is displayed. wwPush [p](F) or [q](F) to select the desired item. • Push [t u] to select the contents for various items. eeRotate [MAIN DIAL] to select the option or set the level. • Hold down [DEF](F) for 1 second to select the default option or level. r P ush [EXIT/SET]. • Exits the Set screen. (F) Function keys • Scope set screen [EXIT/SET] [MAIN DIAL] Scope during TX (CENTER TYPE) (Default: ON) Select the TX signal display ON or OFF. Max Hold (Default: 10s Hold) Select the peak level holding function. • OFF: Turns OFF the peak level holding func- tion. • 10s Hold: Holds the peak spectrum for 10 sec- onds. • ON: Holds the peak spectrum. CENTER Type Display (Default: Filter Center) Select the center frequency of the Spectrum scope display. (Only in the Center mode) • Filter center: Displays the selected filter's center frequency at the center of the scope screen. • Carrier Point Center: Displays the carrier point frequency of the selected operating mode at the center of the scope screen. • Carrier Point Center (Abs. Freq.): In addition to the carrier point center setting above, the actual frequency is displayed at the bottom of the scope. Marker Position (Fix Type) (Default: Carrier Point) Select the marker position of the Spectrum scope display. (Only in the Fixed mode) • Filter center: Displays the Marker on the selected filter's center frequency. • Carrier Point: D isplays the Marker on the carrier point frequency of the selected operating mode. VBW (Default: Narrow) Select the VBW (Video Band Width). • Narrow: Sets the VBW to narrow. • Wide: Sets the VBW to wide. When "Wide" is selected, the line drawn on the receive spectrum becomes wide. However, the small edge cannot be drawn. Averaging (Default: OFF) Set the FFT scope waveform averaging function to between 2 and 4, or OFF. • OFF: The FFT scope screen renews at each sweep time. This setting displays the critical spectrum view. • 2, 3, 4: The FFT scope screen averages 2 to 4 sweeps to smoothly display the spectrum. 6-10