9.1 From your computer via USB port 63
9.1From your computer via USB port
You can transfer a new firmware to the digital receiver from your computer connecting them with a USB cable. You need TFDN USB, a firmware transfer utility for this, which is avail- able at the Topfield web site,
To update the firmware with this method, perform the follow- ing steps:
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 and Exit button to cancel the file transfer.
4. Restart the digital receiver.
9.2From 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