Question on DM15L upgrading...

[Dave Britten]

That tripped me up a bit at first too. There should be a button labeled "Program" within the updater. Click that.

1. Connect the USB cable.
2. Launch the updater.
3. Select the correct COM port.
4. Click "Open" and select the firmware file.
5. Click the "Program" button in the updater.
6. Press the "Reset" button on the calculator (the updater program should be telling you to do this now if everything is working normally).