24
CW communication
Requires connection of a CW key or external keying device.
Operation:
1.
Insert the stereo key plug into the KEY socket (see page 8 for wiring diagram);
2.
Press the [MODE] button to select CW or CWR mode;
3.
Select the QSK function using the [KEY] button and set the desired QSK time;
4.
Perform CW communication;
5.
For CW decoding, press and hold the [KEY] button until the blue waterfall at
The bottom of the display disappears. Fine tune the RX frequency until the
△
F LED flashes to indicate RX lock.
Practice mode
：
You can use the G90 as a CW code trainer.
To do so, switch the QSK function off using the [KEY] button function. When the
CW key is operated, the G90 will emit CW tones, but no RF signal will be emitted,
The [KEY] button adjusts parameters
that are commonly used during CW
communication:
SPEED
M/L/R
Iambic mode A/B
QSK on/off
QSK Time
Ratio
：
auto key "." "-" interval
Key button
Sinotel
UK
Limted
