// Status=review

- Click the *Stop* button on the main window to halt any data acquisition.  

- Select *JT9* from the *Mode* menu and *Deep* from the *Decode* menu.

- Set the audio frequencies to *Tx 1224 Hz* and *Rx 1224 Hz*.  

IMPORTANT: Sliders and spinner controls respond to *Arrow* key presses
and *Page Up/Down* key presses, with the *Page* keys moving the
controls in larger steps.  You can also type numbers directly into
the spinner controls.

- Select *Tab 2* (below the *Decode* button) to choose the alternative
set of controls for generating and selecting Tx messages.