Icom IC-7851 - Cw Side Tone Function

5-7
5
RECEIVE AND TRANSMIT
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Adjusting the Key speed
When using the internal electric keyer, you can adjust
the Key speed.
Rotate [KEY SPEED]. 
• The key speed popup appears. You can conrm the ad-
justed speed by numeral.
• Selectable speed: 6 ~ 48 WPM (Word Per Minutes).
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About the CW reverse mode
The CW-R (CW Reverse) mode uses the opposite side
band to receive CW signals.
Use when interfering signals are near a desired signal
and you want to use CW-R to reduce the interference.
 In the CW mode, push [CW] to select the CW and
CW-R mode.
The carrier point of the CW mode is the LSB side by
default. You can change it to the USB side in the “CW
Normal Side” item of the Others set screen.
(SET [F-7] > OTHERS [F-5] > CW Normal Side)
• When this setting is set to “USB,” the CW and CW-R modes
are reversed.
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CW side tone function
When the transceiver is in standby (and the break-in
function is OFF— p. 8-4) you can listen to the CW side
tone without actually transmitting.
This allows you to match your transmit frequency ex-
actly to another station’s by matching the audio tone.
You can also use the CW side tone (be sure to turn
OFF break-in!) to practice CW sending. The CW side
tone level can be adjusted in the Level set mode (p.
15-5).
(SET [F-7] > LEVEL [F-1] > Side Tone Level)
Push
BFO
CW-R mode (USB side)
BFO
Desired signal
CW mode (LSB side)
Interference Desired signalInterference
[KEY SPEED]
Key speed popup