Cw Mode Operation; Setup For Straight Key (And Straight Key Emulation) Operation; Audio Peak Filter - Yaesu FTDX9000D - DATA MANAGEMENT Operation Manual

CW M O
ODE PERATION
The powerful CW operating capabilities of the FT
a "straight key" or emulation thereof, as is provided by a computer-based keying device.
S S
ETUP FOR TRAIGHT
Before starting, connect your key line to the front and/or rear panel [ KEY ] jack, and be sure the [ KEYER ] switch on the
left side of the front panel is turned off for now.
[ BK-IN ] switch
1. Press the [ CW ] mode switch to engage CW opera-
tion.
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The operating mode is selected using the [ MODE ]
switches to the left of the [ Main Tuning Dial ]
knob, and the VFO (A or B) to which the selec-
tion is applied is selected by pressing the [ A ] or
[ B ] switch above the Mode keys. Please be sure
you are engaging CW on the right VFO.
The LED associated with your VFO and (CW)
Mode selection will light up.
If you press the [ CW ] key once more, after ini-
tially selecting CW, you will engage the "CW Re-
verse" mode (see page
111), whereby the "oppo-
site" sideband injection is
used, compared to the "nor-
mal" sideband. The CW
LED will blink for three
seconds if you select CW
Reverse.

Audio Peak Filter

In the CW mode, press and hold the [ CONT ] switch
for 2 seconds to activate the APF (Audio Peak Fil-
ter) which provides a very narrow audio bandwidth;
the LED inside the [ CONT ] switch will glow um-
ber for four seconds every one second. The APF
circuit is an automatic circuit, and there is no ad-
justment knob for the APF.
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: You may change the blinking pattern of
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the CONT LED (glow umber for four seconds ev-
ery one second) when the APF feature is activated
via Menu item "DISPLAY 023 APF INDICA-
TOR." See page 146 for details.
Page 106
9000D include operation using both an electronic keyer paddle and
DX
(
K S
EY AND TRAIGHT
[ Main Tuning Dial ] knob
[ CW ] key
2. Rotate the [ Main Tuning Dial ] knob to select the
3. Press the [ BK-IN/SPOT ] key momentarily to engage
4. Operation using your CW key may now proceed.
) O
K
EY EMULATION
desired operating frequency.
automatic activation of the transmitter when you close
the CW key. The LED imbedded in the [ BK-IN/
SPOT ] switch will light up.
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When you close your CW key, the transmitter will
automatically be activated, and the CW carrier
will be transmitted. When you release the key,
transmission will cease after a brief delay; the
delay time is user-programmable, per the discus-
sion on page 112.
As shipped from the factory, the FT
TX/RX system for CW is configured for "Semi-
break-in" operation. However, using Menu item
"MODE-CW 055 CW BK-IN," you may change
this setup for full break-in (QSK) operation,
whereby the switching is quick enough to hear
incoming signals in the spaces between the dots
and dashes of your transmission. This may prove
very useful during contest and traffic-handling op-
erations.
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You can monitor your sending by pressing the
[ MONI ] key, and adjust the [ MONI ] control for
a comfortable listening level on the CW
sidetone.
If you set the [ BK-IN ] switch to Off, you may
practice your sending without having the sig-
nal go out over the air (sidetone only).
FT 9000D O
DX
PERATION
9000D
DX
M
PERATION ANUAL