From Your Computer Via Rs-232 Port - Topfield TF 5700 PVRt User Manual

66 Firmware Update

9.2 From your computer via RS-232 port

It is possible to transfer a new firmware to the digital receiver
from your computer by connecting them with a RS-232 cable.
You need TFD-Down, a firmware transfer utility for this, which
is available from the web site, http://www.i-topfield.com.
To update the firmware with this method, perform the follow-
ing steps:
The instructions on how to use TFD-Down are as follows:
1. Press the Find button to select the new
2. Press the Download button.
3. To start the file transfer, turn on the digital
4. When the file transfer is complete, the
5. Restart the digital receiver.
1. Download a new firmware applicable to
the digital receiver from the Topfield web
site.
2. Turn off the digital receiver.
3. 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.
4. Run TFD-Down.
firmware file.
receiver.
display panel on the digital receiver
will count down to zero while the new
firmware is being applied.