From Your Computer Via Rs-232 Port - Topfield TF 520 PVRt User Manual

9.3 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 an RS-232 cable.
You need TFD-Down, a firmware transfer utility for this, which
is available from the website, http://www.i-topfield.com.
To update the firmware by this method, take the following
steps:
The instructions on how to use TFD-Down are as follows:
9.3 From your computer via RS-232 port 61
1. Press the Find button to select the
new firmware file.
2. Press the download button, and
then restart the digital receiver to
start the file transfer.
3. A countdown will be displayed on
screen.
4. Restart the digital receiver once
more when the file transfer is com-
plete.
1. Download a new firmware applicable to
your digital receiver from the Topfield
website.
2. Turn off the digital receiver.
3. Plug one end of an 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.
9