Yaesu FT-2000 Operating Manual page 24

S
PECTRUM
U
It is possible to see both strong and weak signals clearly and easily on the Main (VFO-A) band. Also, the LBWS (Limited
Band Width Sweep) mode lets you perform a high-speed, high-resolution sweep of a limited band segment.
1. Press the [ F6 ( CTR/FIX )] key to change to the CTR
mode.
2. By pressing [ F6 ( CTR/FIX )] key, the CTR mode and
the FIX mode will be toggled alternately. In the CTR
mode, the yellow arrow " " will appear at the center
of the display, indicating your current operating fre-
quency.
3. Press the [ F2 ( SPAN )] key to select the desired fre-
quency span to monitor.
By pressing the [ F2 ( SPAN )] key, the span will change
as follows.
25 kHz 50 kHz 100 kHz 250 kHz
500 kHz 1000 kHz 2500 kHz 25 kHz ......
4. Press the [ F3 ( ATT )] key to select the attenuation value
according to current propagation conditions, your
operating frequency and antenna, etc.
0 dB 10 dB 20 dB
Press the [ F1 ( FUNC )] key to show the screen for
setup of the Marker. The indication [ F1 ( FUNC )]
will change to [ F1 ( MKR ON/OFF )] ; now press
the [ F1 ( 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 [ F2 ( )] and [ F3 ( )] keys. If you
want to center on a strong signal, you can move
the marker to the screen position occupied by that
signal. When the [ F5 ( CF )] key is pressed momen-
tarily (one touch), the marker position will return
to the center.
In order to remove the marker, press the [ F1 ( MKR
ON/OFF )] key.
Page 22
S
COPE
CTR ( C
SING THE
0 dB ......
U
SING THE
) D
ENTER ISPLAY
[ F2 ( SPAN )] Key [ F3 ( ATT )] Key
M
ARKER
When you want to return to the Spectrum Scope
screen, press the [ F7 ( EXIT )] key. If the screen
returns to the previous screen (with the Marker
displayed), the marker will remain on the screen.
"MKR ON/OFF" Key
DMU-2000 D
M
ODE
[ F6 ( CTR/FIX )] Key
"CF" Key
M
ATA ANAGEMENT
U
NIT