Topfield High Defninition Digital Satellite Receiver HV7700 HSCI - Manual (Page 58)

52 Firmware Update
To update the firmware with this method, perform the follow-
ing steps:
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.
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.
3. To start the file transfer, turn on the digital
receiver.
4. When the file transfer is complete, the
display panel on the digital receiver
will count down to zero while the new
firmware is being applied.
5. Restart the digital receiver.
7.3 From another digital receiver via RS-232 port
It is possible to transfer a new firmware to the digital receiver
from another same digital receiver by connecting them with a
RS-232 cable.
To update the firmware with this method, perform the follow-
ing steps: