Yaesu FT DX 1200, Operation Manual

Page: 91 / 140

Page 89
FT
DX
1200 O
PERATING
M
ANUAL
CW C
ONVENIENCE
F
EATURES
1. 3 ress the [ MODE
] button to set the operating mode
to CW.
. Tune the receiver to a CW signal, then press and
hold the [
SCOPE
] switch for one second or longer.
A
DVICE
:
The CW '( C 2'( screen is displayed, and the de-
coded message is displayed on the screen.
N
OTE
:
Interfering signals, noise, phasing, code accuracy,
and the like may prevent accurate message copy.
To cancel the CW decode function, press and hold
the [
SCOPE
] switch again for one second or longer.
A
DVICE
:
ˆ
If scrambled text is displayed due to noise and
clutter, when a CW signal is not being received,
turn the [
VFO-B/CLAR
] knob to adjust the
threshold level.
ˆ
' ecoding accuracy will increase if you turn the
[
MIC/SPEED
] knob and adjust to a speed close
to that of the CW signal being received.
CW D
ECODE
When the optional FFT unit is installed, alphanumeric 0 orse code can be decoded and displayed as text on the TFT dis-
play.
[MODE] Button
[SCOPE] Button
Threshold Level Adjustment
Scrambled text may be displayed due to noise and clutter, when a signal is not being received. You can adjust the
threshold level to reduce or eliminate the scrambled text.
Turn the [ VFO-B/CLAR
] knob, and adjust the
threshold level between 0 and 100) so text is not
displayed due to noise and the like.
ˆ
1 ote that text will no longer be displayed for
weak signals if you increase the level too much.
ˆ
You switch between threshold level display and
normal display each time you press the [ SE-
LECT
] button.
ˆ The threshold level is displayed in the TFT dis-
play.
Displays the decoded
Morse code.
Displays content written to
the Contest Memory Keyer
ɦ
ɦ If you transmit content written to the Contest Memory
Keyer (page 84), the transmit CW signal is displayed as
text.
Note that transmitted text is displayed in white.
%9&'% 1&' #(((6
%3 %3 %3 &' -_ 9 : Ჾ & %
%3 %3 %3 & , # ' Ჹ
AF-FFT display (see page 40)
(“Spectrum” or “Waterfall” display)
Threshold level