90 Firmware Update
1.Download a new firmware applicable to the digital receiver from the Topfield web site.
2. Plug one end of a USB cable into the USB port on the digital receiver, and the other end into the matching port on your com- puter.
3.Turn on the digital receiver.
4.Run TFDN USB.
The instruction on how to use TFDN USB is as follows:
1. Press the Find button to select the new firmware file.
2. Press the Download button to start the file transfer.
3. Press the Stop button to cancel the file transfer.
4. Restart the digital receiver.
10.3From your computer via RS-232 port
It is possible to transfer a new firmware to the digital receiver from your computer connecting them with a
To update the firmware with this method, perform the follow- ing steps:
