Icom IC-7300 Instruction Manual basic - Page 48

5 SCOPE OPERATION Spectrum scope screen This spectrum scope enables you to display the activity on the selected band, as well as the relative strengths of various signals. The IC-7300 has two spectrum scope modes. One is the Center mode, and another one is the Fixed mode. You can also turn the Waterfall display ON or OFF. In addition, you can select a Mini scope screen to save screen space. DDUsing the Spectrum Scope 1. Open the SPECTRUM SCOPE screen. MENU » SCOPE • Center mode screen Span (Display range) Grid (frequency/level) Center/Fixed mode icon Span (Display range) Waterfall zone Display frequency (stays on Center) FFT scope zone (FFT: Fast Fourier Transform) • Fixed mode screen Edge (Upper frequency) Grid (frequency/level) Center/Fixed mode icon Edge (Lower frequency) Display frequency (moves) Waterfall zone FFT scope zone SPECTRUM SCOPE screen Function menu (Menu 2) Key Action < 1 > < 2 > Selects the Function menus. SPAN In the Center mode, selects the scope span. ••Selectable spans: ±2.5, 5.0, 10, 25, 50, 100, 250 and 500 kHz LTouch for 1 seco­ nd to select the ±2.5 kHz span. EDGE In the Fixed mode, selects the Edge frequencies. LYou can set the Upper and lower Edge frequencies in the SCOPE SET screen. Touch HOLD Sets the Hold function to ON or OFF. • " HOLD " and the Marker are displayed. Freezes the current spectrum. Touch for 1 second Clears the Peak Hold level. CENT/FIX Selects the Center or Fixed mode. EXPD/ SET Touch Selects the Expanded or Normal screen. Touch for 1 second Enters the SCOPE SET screen. Opens the Reference level window. REF LTouch again to close the window. LRotate MAIN DIAL to adjust the Reference level. Selects the sweep speed. SPEED or "" displays FAST, MID, or SLOW. MARKER Selects the Marker. 2. To exit the SPECTRUM SCOPE screen, push EXIT . 5-1