8.4From your computer via RS-232 port 79
8.4 From your computer via RS-232 port
Itis possible to transfer a new firmware to the digital receiver
fromyour computer by connecting them with a RS-232 cable.
Youneed TFD-Down, a firmware transfer utility for this, which
isavailable from the web site, http://www.i- topfield.com.
Toupdate the firmware by this method, perform the following
steps:
1.
Downloada new firmware applicable to
your digital receiver from the Topfield
website.
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
digitalreceiver, and the other end into the
matchingport on your computer.
4. Run TFD-Down.
Theinstructions on how to use TFD-Down are as follows:
1.
Press the Find button to select the new
firmwarefile.
2.
Pressthe download button, and then turn
onthe digital receiver to start the file trans-
fer.
3.
Acountdown will be displayed on screen
oron the front display.
4.
Restart the digital receiver when the file
transferis complete.
8.5 From another digital receiver via RS-232 port
Itis possible to transfer the firmware from the digital receiver
toanother same digital receiver by connecting them with a RS-
232cable. To update the firmware with this method, perform
thefollowing steps: