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4-13
BASIC MANUAL
RECEIVING AND TRANSMITTING
4
4
Operating CW
D
Using the Break-in function
Use the Break-in function in the CW mode to
automatically switch between transmit and receive
when keying. The IC-905 is capable of operating in
the Semi Break-in and Full break-in modes.
TIP:
“Key Type” is set to “Paddle” by default. You
can select the keyer type in the following item.
»
KEYER > EDIT/SET > CW-KEY SET >
Key Type
Semi Break-in operation
In the Semi Break-in mode, the transceiver transmits
when keying, and then automatically returns to receive
after a preset time after you stop keying.
1. Select the CW mode.
2. Push
several times to select “BKIN.”
L
Pushing
selects “BKIN (Semi Break-in),”
“F-BKIN (Full Break-in),” or OFF (no indication).
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
several times to display “F-BKIN.”
L
Pushing
selects “BKIN (Semi Break-in),”
“F-BKIN (Full Break-in),” or OFF (no indication).
3. To adjust the Break-in delay time, hold down
for 1 second.
•
Opens the BKIN menu.
4. Rotate
to set to where the transceiver
returns to receive after the desired delay time
after you stop keying.
L
When using a paddle, push
to open the
Multi-function menu, and then adjust the KEY SPEED
(p. 4-12) while operating the paddle.
5. To close the BKIN menu, push
.
The selected mode (Semi Break-in) is displayed.
3. Use a straight key or paddle.
L
In the Full break-in mode, the transceiver
automatically returns to receive immediately after you
key up. The transceiver receives while keying up.
D
Monitoring the
CW side tone
When the transceiver is in standby and the Break-In
function is OFF, you can listen to the CW side tone
without actually transmitting.
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Information
•
This enables you to match your transmit frequency
exactly to another station’s by matching the audio tone.
•
You can also use the CW side tone (make sure the
Break-in function is OFF) to practice CW sending.
•
You can adjust the CW side tone level in the following
item.
»
KEYER > EDIT/SET > CW-KEY SET >
Side Tone Level
The selected mode (Full Break-in) is displayed.