From A Usb Memory Device - Topfield TF 7710 HSCI User Manual

7.2 From a USB memory device

NOTE
You can only update with firmwares of which system identifi-
cation is identical to that of yours. Otherwise you will fail in
firmware update.
If you have a USB memory stick, you can update the firmware
from it by performing the following steps:
1. Download a new firmware from the Topfield website.
2. Copy the firmware file to your USB memory stick.
3. Insert the USB memory stick into the USB port on the
back panel of the digital receiver.
4. Select the Installation
then the files in the USB memory are listed.
5. Place the highlight bar on the right firmware file and
press the
OK
on the front display of the digital receiver.
6. When the 'END' message appears, restart the digital re-
ceiver.
NOTE
Your USB memory must be formatted in the FAT file system.
Otherwise, the digital receiver cannot recognize your USB
memory. In addition, the digital receiver can only recognize
files and directories which are named with only alphabetic, nu-
meric and underscore letters. If there is a file or forlder named
with other letters, the digital receiver cannot recognize not only
it but also its subsequent files and folders.
7.2 From a USB memory device 53
USB Firmware Upgrade menu,
button, then a countdown will be displayed