Topfield TBF - 7120, User Manual

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52 Firmware Update
files and directories which are named with only alphabetic, nu-
meric and underscore letters. If there is a file or folder named
with other letters, the digital receiver cannot recognize not only
it but also its subsequent files and folders.
8.3 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.itopfield.com.au
.
To update the firmware by this method, perform the following
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
or on the front display.
4. Restart the digital receiver when the file
transfer is complete.