D Center Mode - Icom iC-7850 Instruction Manual

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6
SCOPE OPERATION
Spectrum scope screen (Continued)
■

D Center mode

Displays signals around the operating frequency within
the selected span. The operating frequency is always
displayed in the center of the screen.
 The Multi-function screens are OFF:
Push [SCOPE](F).
q
• The Spectrum scope screen is displayed.
Push [CENT/FIX](F).
w
• " " is displayed when the Center mode is se-
CENTER
lected.
• Push [CENT/FIX](F) to toggle between the Center and
Fixed modes.
Push [SPAN](F) several times to select the scope
e
span.
• Selectable span
±2.5, 5.0, 10, 25, 50, 100, 250 and 500 kHz
• Hold down [SPAN](F) for 1second to select the ±2.5 kHz
span.
r To exit the Spectrum scope screen, push [EXIT/SET].
The Marker display in the Center mode
The Marker displays the operating frequency of the
Main or Sub band in the Scope screen. However, the
operating frequency stays on the Center of the screen
when the Center mode is selected. Thus, the trans-
ceiver does not display the MAIN maker on the Main
scope, nor the SUB maker on the Sub scope.
• When the Hold function is ON, the Maker is displayed
to display the operating frequency's position.
• Marker types
: MAIN marker displays the operating frequency
for Main band.
: SUB marker displays the operating frequency
for Sub band.
: TX marker displays the transmit frequency.
Push [MARKER](F) to select the marker.
➥
• When MAIN scope is selected:
SUB, TX/SUB, TX, Marker OFF
• When SUB scope is selected:
MAIN, TX/MAIN, TX, Marker OFF
• When the Maker is displayed and the frequency is
out of range, "<<" or ">>" appears at the upper side
corners of the Scope screen.
<<: The frequency is too low.
>>: The frequency is too high.
(F) Function keys
• Center mode screen
• Center mode screen (Example: Span
• TX marker is ON
6-4
[EXIT/SET] [MAIN DIAL]
±500 kHz )