Topfield TF 5400 PVR - Manual (Page 85)

9.4 From another digital receiver via RS-232 port 79
1. Download a new firmware applicable to
the digital receiver from the Topfield web
site.
2. Plug one end of a RS-232 cable (9 pin D-
sub cable) into the RS-232 port on the
digital receiver, and the other end into the
matching port on your computer.
3. Turn on the digital receiver.
4. 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.
4. Restart the digital receiver.
9.4 From another digital receiver via RS-232 port
It is possible to transfer a new firmware to the digital receiver
from another same digital receiver connecting them with a RS-
232 cable.
To update the firmware with this method, perform the follow-
ing steps: