9.1Updating the firmware 57
Froma computer via RS232 port
Itis possible to transfer a new firmware to the digital receiver
fromyour computer connecting them with a RS232 cable. You
need TFD-Down, the firmware transfer utility for this, which
isavailable at the Topfield web site, http://www.i-topfield.
com.
Toupdate firmware with this method, perform the following
steps:
1. Download a new firmware applicable to the digital re-
ceiverfrom the Topfield web site.
2. DownloadTFD-Down from the Topfield web site.
3. Plug a RS232 cable into the RS-232 port on the digital
receiverand the corresponding port on your computer.
4. Turnon the digital receiver.
5. RunTFD-Down.
Howto use TFD-Down is as follows:
1. Press ¤
£
¡
¢
Find button to select the new
firmwarefile.
2. Press ¤
£
¡
¢
Download button to start the file
transfer.
3. Press ¤
£
¡
¢
Stop button to cancel the file
transfer.
4. Restartthe digital receiver.
Fromanother digital receiver via RS232 port
Itis possible to transfer a new firmware to the digital receiver
from another same digital receiver connecting them with a
RS232cable.