// Status=review At the center of the main window are a number of controls used when making QSOs: //.Misc Controls Center image::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 <>. * 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