WSJT-X/doc/user_guide/controls-functions-center.adoc

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// Status=review
At the center of the main window are a number of controls used when
making QSOs:
//.Misc Controls Center
image::images/misc-controls-center.png[align="center",alt="Misc Controls Center"]
* Check *Tx even* to transmit in even-numbered UTC minutes. Uncheck
this box to transmit in the odd minutes. This selection is made
automatically when you double-click on a decoded text line, as
described in the <<TUTORIAL,Basic Operating Tutorial>>.
* The Tx and Rx audio frequencies are usually set automatically by
double-clicking on decoded text or a signal in the waterfall. They
can also be adjusted with spinner controls.
* You can force Tx frequency to the current Rx frequency by clicking
the *Tx<Rx* button, and vice-versa for *Rx<Tx*. (Copy is from right
to left.) Check the box *Lock Tx=Rx* to make the frequencies always
track one another. The on-the-air frequency of your lowest JT9 or
JT65 tone is the sum of dial frequency and audio Tx frequency.
IMPORTANT: In general we do not recommend using *Lock Tx=Rx* since it
encourages poor radio etiquette when running a frequency. With *Lock
Tx=Rx* checked, your own frequency will move around following your
callers.
* The *Report* control lets you change a signal report that has been
inserted automatically. Most reports will fall in the range 26 to +10
dB. Remember that JT65 reports saturate at an upper limit of -1
dB.
IMPORTANT: Consider reducing power if your QSO partner reports your
signal above -5 dB. The WSJT modes are supposed to be weak signal
modes!