Specifications
DMU-2000 DATA MANAGEMENT UNITPage 22
SPECTRUM SCOPE
USING THE CTR
(
CENTER
)
DISPLAY MODE
It is possible to view strong and weak signals received on the Main Band (VFO-A) on the Spectrum Scope. Also, the
LBWS (Limited Band Width Sweep) mode permits a high-speed, high-resolution sweep of a limited band segment.
1. Press the
[
KEY6
(
CTR/FIX
)]
key to change to the CTR
mode.
2. Repeatedly pressing the
[
KEY6
(
CTR/FIX
)]
key will
toggle between the CTR mode and the FIX mode. In
the CTR mode, the Orange colored “ ” will appear
at the center of the display, indicating your current op-
erating frequency.
3. Repeatedly press the
[
KEY2
(
SPAN
)]
key to select the
desired frequency span to monitor.
The Span selections are:
25 kHz
50 kHz
100 kHz
250 kHz
500 kHz
1000 kHz
2500 kHz
25 kHz
......
4. Repeatedly press
[
KEY3
(
ATT
)]
key to select the de-
sired attenuation value according to current propaga-
tion conditions, your operating frequency and antenna,
etc.
0 dB
10 dB
20 dB
0 dB
......
USING THE MARKER
Press the
[
KEY1
(
FUNC
)]
key to show the Marker
setup screen. The indication tab
[
KEY1
(
FUNC
)]
will change to
[
KEY1
(
MKR ON/OFF
)]
; now press
the
[
KEY1
(
MKR ON/OFF
)]
key once again, and
the Marker line will be displayed at the center of
the screen.
It is possible to change the position of the marker
by pressing the
[
KEY2
(
)]
or
[
KEY3
(
)]
keys.
If you want to mark the center of a strong signal,
you can move the marker to the screen position
occupied by that signal. When the
[
KEY5
(
CF
)]
key is pressed briefly (one touch), the marker po-
sition will return to the center.
In order to remove the markerfrom the screen, press
the
[
KEY1
(
MKR ON/OFF
)]
key.
When you want to return to the Spectrum Scope
screen, press the
[
KEY7
(
EXIT
)]
key. If the Marker
is displayed, it will remain on the screen.
[
KEY2
(
SPAN
)]
Key
[
KEY6
(
CTR/FIX
)]
Key
[
KEY3
(
ATT
)]
Key
[
KEY1
(
MKR ON/OFF
)]
Key
[
KEY5
(
CF
)]
Key
MANUAL
REFERENCE
[
KEY1
(
xxx
)]
[
KEY2
(
xxx
)]
[
KEY3
(
xxx
)]
[
KEY4
(
xxx
)]
[
KEY5
(
xxx
)]
[
KEY6
(
xxx
)]
[
KEY7
(
xxx
)]
[
KEY8
(
xxx
)]
FT-950
FTDX5000
[
1.8
(
1
)]
[
3.5
(
2
)]
[
7
(
3
)]
[
10
(
4
)]
[
14
(
5
)]
[
18
(
6
)]
[
21
(
7
)]
[
24.5
(
8
)]
FT-2000
FT-2000D
[
F1
(
CH-1
)]
[
F2
(
CH-2
)]
[
F3
(
CH-3
)]
[
F4
(
CH-4
)]
[
F5
(
MEM
)]
[
F6
(
DEC
)]
[
F7
(
P.BACK
)]
[
DISPLAY
]