6.1 Firmware Update 29
6.1 Firmware Update
6.1.1 From a Personal Computer via RS232 Port
It is possible to transfer a new firmware to the digital receiver
from a personal computer connecting them by a RS232 cable
to update the firmware. The firmware transfer program,
TFD-
Down
is needed to use this method of update, which is avail-
able at the Topfield website, http://www.i-topfield.com.
How to update the firmware with this method is as follows.
1. Download a new firmware applicable to the digital re-
ceiver from the Topfield website.
2. Download
TFD-Down
from the Topfield website.
3. Plug a RS232 cable into the RS232 socket on the digi-
tal receiver and the corresponding socket on your com-
puter.
4. Turn on the digital receiver.
5. Run
TFD-Down
.
How to use
TFD-Down
is as follows.
1. Press
¤
£
¡
¢
Find button to select the new
firmware file.
2. Press
¤
£
¡
¢
Download button to start the file
transfer.
3. Press
¤
£
¡
¢
Stop button to cancel the file
transfer.
6.1.2 From another Digital Receiver via RS232 Port
It is possible to transfer a new firmware to the digital receiver
from another digital receiver connecting them by a RS232 ca-
ble to update the firmware only if they are the same model.