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Functions for CW operation
D About CW reverse mode
CW-R (CW Reverse) mode uses the opposite side
band to receive CW signals.
Use when interfering signals are near a desired sig-
nal and you want to use CW-R to reduce the interfer-
ence.
During CW mode, push [CW] to select CW and
CW-R mode.
D About CW pitch control
The received CW audio pitch and CW sidetone can
be adjusted to suit your preference (from 300 to
900 Hz; in 5 Hz steps). This does not change the
operating frequency.
Rotate [CW PITCH] to suit your preference.
Adjustable within 300 to 900 Hz.
The filter set screen graphically displays the CW
pitch operations. (See at right.)
Push and hold [FILTER] for 1 sec. to access the
filter set screen.
The CW pitch frequency is graphically changed in
5 Hz steps when the selected IF filter passband
width is below 500Hz (“
” appears), or in 25 Hz
steps when the selected IF filter passband width is
above 600Hz (“
” disappears).
Push [EXIT/SET] or push and hold [FILTER] for 1
sec. to return to the prev
ious screen.
D CW sidetone function
When the transceiver is in receive (and the break-in
function is OFF— p. 85) you can listen to the CW sid-
etone without actually transmitting.
This allows you to match your transmit frequency
exactly to another station’s by matching the audio
tone. You can also use the CW sidetone (be sure to
turn OFF break-in!) to practice CW sending.
CW sidetone level can be adjusted in level set mode
(p. 122).
q Push [SET] (F-6), then push [LEVEL] (F-1) to
select level set mode.
w Push [Y] (F-1) or [Z] (F-2) to select “Side Tone
Level” item.
e Rotate the main dial to adjust the sidetone level.
Sidetone level is adjustable within 0 to 100 % in 1%
steps.
r Push [EXIT/SET] to exit display set mode.
Matching the frequency of a transmitted and
received signal is called “Zero beat.”
Push
BFO
CW-R mode (USB side)
BFO
Desired signal
CW mode (LSB side)
Interference
Desired signalInterference
[CW PITCH]
Lower frequency
Higher frequency
Filter set screen
CW pitch frequency (e.g. 700 Hz)
Main dial
F-1 F-2 F-6
EXIT/SET
SET
LEVEL /
4
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RECEIVE AND TRANSMIT
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