by U4B. There is also a guide to identifying the serial port at http://qrp-labs.com/qlg2 (scroll down
the page).
Set the size of the terminal window to 80 columns and 24 rows.
Set the PutTTY configuration as per the above, then click “Open” to start the connection. You will
see a blank screen. Now press the Enter key and you should see the U4B applications menu.
For the purposes of this manual, to conserve printer ink for those who choose to print a paper
version of the manual, inverse colouring will be used.
Note the firmware version number is shown at the top of the screen. Use the up/down arrow keys
then press Enter to select the desired application.
U4B operating manual Rev 1.00
5