// Status=review

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

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

- Set the audio frequencies to *Tx 1224 Hz* and *Rx 1224 Hz*.  You
can type numbers directly into these controls, as well as using their 
up/down arrows.

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

IMPORTANT: Sliders and spin-box controls respond to arrow key presses
and Page Up/Down key presses, with the Page keys moving the controls
in larger steps.