Operation Manual

5
SCOPE OPERATION
5-2
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.
D Using the Spectrum Scope
1. Open the SPECTRUM SCOPE screen.
MENU
»
SCOPE
• Center mode screen
• Fixed mode screen
FFT scope zone
(FFT: Fast Fourier Transform)
FFT scope zone
Span (Display range)
Edge (Upper frequency)
Span (Display range)
Edge (Lower frequency)
Waterfall zone
Waterfall zone
Grid (frequency/level)
Grid (frequency/level)
Center/Fixed mode icon
Center/Fixed mode icon
Display frequency (stays on Center)
Display frequency (moves)
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
L Touch for 1 sec ond to select the ±2.5 kHz
span.
EDGE
In the Fixed mode, selects the Edge
frequencies.
L You can set the Upper and lower Edge
frequencies in the SCOPE SET screen.
(p. 5-6
~ p. 5-8)
HOLD
Touch
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.
REF
Opens the Reference level window. (p. 5-6)
L Touch again to close the window.
L Rotate
MAIN DIAL
to adjust the
Reference level.
SPEED
Selects the sweep speed.
• “,” “,” or “” displays FAST, MID, or
SLOW.
MARKER Selects the Marker.
2. To exit the SPECTRUM SCOPE screen, push
EXIT
.
SPECTRUM SCOPE screen
Function menu (Menu 2)