Icom IC-R8600 Instruction Manual - Page 25
SCOPE OPERATION, Spectrum scope screen, RX Marker, Using the Spectrum Scope
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4 SCOPE OPERATION Spectrum scope screen This spectrum scope enables you to display the activity on the selected frequency range, as well as the relative strengths of various signals. The IC-R8600 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. • Center mode screen The operating frequency is always displayed in the center of the screen. Span (Display range) Grid (frequency/level) Center mode icon Span (Display range) Display frequency stays on Center Waterfall zone FFT scope zone (FFT: Fast Fourier Transform) • Fixed mode screen The activity on the selected frequency range can easily be observed using this mode. Edge (Upper frequency) Grid (frequency/level) Fixed mode icon Edge (Lower frequency) Display frequency moves Waterfall zone FFT scope zone DDRX Marker In the Fixed mode, the RX Marker always marks the receive frequency on the SPECTRUM SCOPE screen. LThe marker marks the receive frequency even during peak hold. LThe RX Marker is not displayed in the Center mode. LWhen changing the frequency, the Waterfall maker is displayed on the Waterfall zone. RX Marker (green) Waterfall zone DDUsing the Spectrum Scope 1. Open the SPECTRUM SCOPE screen. MENU » SCOPE SPECTRUM SCOPE screen zzTouch to switch to Menu 2. Function menu (Menu 2) 2. To exit the SPECTRUM SCOPE screen, push EXIT . [Function menu keys] Key Action < 1 > Toggles the Function menu between Menu 1 < 2 > and Menu 2. SPAN In the Center mode, selects the scope span. ••Selectable spans: ±2.5, 5.0, 10, 25, 50, 100, 250, 500 kHz, 1.0 MHz and 2.5 MHz EDGE In the Fixed mode, selects the Edge frequencies. Touch HOLD Turns the Peak Hold function ON or OFF. • " HOLD " and the Marker are displayed. Freezes the current spectrum. Touch for Clears the Peak Hold level 1 second display. CENT/FIX Selects the Center or Fixed mode. EXPD/ SET Touch Selects the Expanded or Normal screen. Touch for 1 second Opens the SCOPE SET screen. REF Opens the Reference level window. LRotate to adjust the Reference level. LTouch again to close the window. Selects the sweep speed. SPEED or "" indicates FAST, MID, or SLOW. PEAK Displays the function keys for the Peak Search function. (p. 4-3) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 4-1