78 Firmware Update
10.3 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 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:
1.
Download a new firmware applicable to
your 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 dig-
ital receiver, and the other end into the
matching port on your computer.
4. Run TFD-Down.
The instructions on how to use TFD-Down are as follows:
1.
Press the Find button to select the new
firmware file.
2.
Press the download button, and then turn
on the digital receiver to start the file trans-
fer.
3. A countdown will be displayed on screen
4.
Restart the digital receiver when the file
transfer is complete.
10.4 From another digital receiver via RS-232 port
It is possible to transfer the firmware from the digital receiver
to another same digital receiver by connecting them with a RS-
232 cable. To update the firmware with this method, perform
the following steps:
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