Icom IC-7300 Instruction Manual basic - Page 43

About the CW Reverse mode

Page 43 highlights

4 RECEIVING AND TRANSMITTING Operating CW DDAbout the Break-in function (Continued) Full Break-in operation In the Full Break-in mode, the transceiver automatically transmits while keying down, and then immediately returns to receive after keying up. 1. Select the CW mode. 2. Push VOX/BK-IN until "F-BKIN" is displayed. LPushing VOX/BK-IN selects "BKIN (Semi Break-in)," "F-BKIN (Full Break-in)" or OFF (no indication). Full Break-in 3. Using a straight key or paddle. LIn the Full break-in mode, the transceiver automatically returns to receive without a preset break-in delay time after you stop keying. The transceiver receives while keying up. DDCW Auto Tuning function You can tune in a CW signal you are receiving using the Auto Tuning function. You can automatically tune by pushing ATUUNTOE . This function is active in only the CW mode. LWhile using the RIT, the RIT frequency is automatically tuned by this function. Displayed while tuning NOTE: When receiving a weak signal, or receiving a signal with interference, the Auto Tuning function may tune the receiver to an undesired signal, or may not start to tune. In such case, a warning beep sounds. DDAbout the CW Reverse mode The CW-R (CW Reverse) mode reverses the receive 1 Beat Frequency Oscillator (BFO) to receive CW signals. 2 Use when interfering signals are near the desired signal and you want to use the CW-R to reduce 3 interference. 4 CW mode (LSB side) CW-R mode (USB side) 5 6 7 BFO Interference Desired BFO Interference Desired 8 signal signal 9 TIP: Reversing the carrier point The carrier point of the CW mode is LSB by default. You can change it to USB in the "CW Normal Side" item of the OTHERS set screen. (p. 8-4) MENU » SET > Function > CW Normal Side LWhen this setting is set to "USB," the CW and CW-R modes are reversed. 10 11 12 13 14 15 16 17 18 19 20 21 4-13

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4
RECEIVING AND TRANSMITTING
1
2
3
4
5
6
7
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9
10
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14
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4-13
D
CW Auto Tuning function
You can tune in a CW signal you are receiving using
the Auto Tuning function. You can automatically tune
by pushing
AUTO
TUNE
. This function is active in only the
CW mode.
L
While using the RIT, the RIT frequency is automatically
tuned by this function.
Displayed
while tuning
NOTE
: When receiving a weak signal, or receiving a signal
with interference, the Auto Tuning function may tune the
receiver to an undesired signal, or may not start to tune. In
such case, a warning beep sounds.
D
About the CW Reverse mode
The CW-R (CW Reverse) mode reverses the receive
Beat Frequency Oscillator (BFO) to receive CW
signals.
Use when interfering signals are near the desired
signal and you want to use the CW-R to reduce
interference.
CW mode (LSB side)
CW-R mode (USB side)
BFO
BFO
Interference
Desired
signal
Interference
Desired
signal
TIP: Reversing the carrier point
The carrier point of the CW mode is LSB by default.
You can change it to USB in the “CW Normal Side” item of
the OTHERS set screen. (p. 8-4)
MENU
»
SET > Function >
CW Normal Side
L
When this setting is set to “USB,” the CW and CW-R
modes are reversed.
Operating CW
D
About the Break-in function (Continued)
Full Break-in operation
In the Full Break-in mode, the transceiver
automatically transmits while keying down, and then
immediately returns to receive after keying up.
1.
Select the CW mode.
2. Push
VOX/BK-IN
until “F-BKIN” is displayed.
L
Pushing
VOX/BK-IN
selects “BKIN (Semi Break-in),”
“F-BKIN (Full Break-in)” or OFF (no indication).
Full Break-in
3.
Using a straight key or paddle.
L
In the Full break-in mode, the transceiver automatically
returns to receive without a preset break-in delay time
after you stop keying. The transceiver receives while
keying up.