Mark WB3CAI shows us how to update the firmware of the Kenwood TS590SG using a screen reader.

Update firmware for the Kenwood TS590SG HF transceiver.

Select a COM port by the following procedures.

Remove the power supply cable from the transceiver. 

Connect the transceiver's USB port or COM port to your PC's USB port or RS-232C serial port using a USB cable or an RS-232C cable. 

Connect the power supply cable to the transceiver. 

Select the COM port to use from the pull-downed list. 

Click the [Update] button.

By following procedures, prepare transceiver side.

2-1 Turn the transceiver power OFF.

2-2 Press and hold [M.IN] key, then turn the transceiver power ON.

2-3 Confirm the current version number and "PROGRAM" appearing on the LCD display.

Note: Operating or running any other application software on Windows while new firmware is being written to the transceiver may result in the writing of new firmware to the transceiver to be unstable. Do not operate nor run any other application software on Windows while new firmware is being written to the transceiver.

When you are ready, press the [OK] button.

The dialog box to confirm the firmware version will open.

After confirm the firmware version, press the [OK] button.

The firmware update is performed automatically.

During the update, the firmware version number changes to "-.--" on the LCD display of the transceiver, and the display "PROGRAM" as well as the transmit and receive LED (orange) blink. The lower meter also changes.

When the firmware update is successful, "Completed! The firmware has been updated." appears.

The new firmware version number and "PROG OK" appear on the LCD display of the transceiver.

Click the [OK] button, then a dialog box which explains the procedure to finish the updating appears. 

Note: If an error message appears during the update, confirm the COM port setting or cable connections, then try to update the firmware again.

To finish the updating, execute the following procedures.

2-1 Turn the transceiver power OFF.

2-2 Remove the USB cable or RS-232C cable from the transceiver.

2-3 Press and hold [A/B] key, then turn the transceiver power ON.

2-4 Press [A/B] key to perform the Full Reset.