Hisense MTK5657 Service Manual page 21

Option ToFAC
LNB POWER
country
Language
Logo
power mode
set MAC
USB upgrade
FRC upgrade
driver upgrade
PQ upgrade
URAT
M/U
memory
on/off
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"M" used in factory product.
"U" used in exit factory state,
Not all,the chassis that must support the satellite
signal for example: Europe TV :13V， 18V， OFF；
Japan：15V
country choose
language choose
region logo choose
remember mode;Power on mode;standby mode
set MAC address
If the TV has the function of USB disk upgrade
directly in the factory menu then can use the
item.
FRC upgrade
Led backlight driver upgrade
if the panel parameter of smart TV is not right
then can USB upgrade directly .
when choose "on" then can serial port
connect with Tool