Basic operation
CW mode
After activating the telegraph mode by clicking the buttons CW-L, CW-U, or in the
CAT Interface, the CWP button became active and the CW key manipulation will
lead to transmission of the according signals.
In the ZS-1 transceiver several variants of an automatic Morse keyer are
implemented (Key Type dropdown list). Just connect the key to the KEY socket.
Independent from the chosen key type the transceiver will be set to the transmit
mode by operating the key, and the signal transmission starts. The time interval for
switching back into the receive mode can be defined in the Break In field. This way
the Semi Break-in function (or VOX) is available.
The delay value in the Break In field has to be selected depending on the CW
manipulation speed, so that the number of relay switches is minimized, preventing
it from unnecessary stress.
With a PTT footswitch a manual switching between transmission and reception
modes can be realized. Just as in the SSB mode, the PTT contact switches the
transceiver in the transmit mode or the mode of carrier transmission. In this case,
the value in the Break In field can be set down to 10 ms, while the relay switching
between the symbols is prevented by the pressed PTT footswitch.
It is possible to set the CW mode parameters, to regulate the manipulator and to
hear a transmission sample, without transmitting a signal. For this purpose, click the
CWT button in the CW Panel window.
The quality of the CW side tone as well as its delay (not of the transmitted signal)
depends upon the sound card characteristics and the used audio driver. The
slightest delay and the highest quality signal can be achieved using ASIO drivers.
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