Icom IC-7600, Инструкция по эксплуатации, Страница: 80 / 196

71
4
RECEIVE AND TRANSMIT
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.
q
Push
[EXIT/SET] several times to close any multi-
function screens, if necessary.
Push
w
[SCOPE](F-1) to select the scope screen.
Push
e
[CENT/FIX](F-5) to select the center mode.
• “ ” is displayed when the center mode is
selected.
• Push
[CENT/FIX](F-5) to toggle between the center
and fixed modes.
Push
r
[SPAN](F-1) several times to select the
desired scope span.
• Selectable spans
±2.5, 5.0, 10, 25, 50, 100, and 250 kHz
• Hold down
[SPAN](F-1) for 1second to select the
±2.5 kHz span.
• The sweep speed is selectable for each span
independently in the scope set mode. (pp. 74, 75)
t
To exit the spectrum scope screen, push
[EXIT/SET].
The Marker display in the center mode
The marker displays the operating frequency of the
sub band in the spectrum scope screen.
The main band frequency stays on the center of the
screen when the center mode is selected. Thus, the
transceiver does not display the main maker in the
center mode.
• When the hold function is ON, the main maker is
displayed to indicate the operating frequency’s
position.
• Marker types
: The main marker indicates the operating
frequency of the main band.
: The sub marker indicates the operating
frequency of the sub band.
: The TX marker indicates the transmit
frequency.
Push
➥
[MARKER](F-3) to select the desired marker.
• SUB, TX, TX/SUB, or OFF
• When the maker is displayed and the frequency is
out of range, “<<” or “>>” appears at the upper side
corners of the spectrum scope screen.
<<: The operating frequency is too low.
>>: The operating frequency is too high.
• TX marker is ON
• Center mode screen
• Center mode screen (Example: Span ±250 kHz )
F-1 F-5 EXIT/SET
/
SCOPE
SPAN CENT/FIX
F-3
MARKER