Software Upgrade Instructions - Insignia 19KK44 Service Manual

Software Upgrade Instruction
The model can be upgraded from port of USB or RS232. Upgraded from USB is recommended
for only a U disk is needed and upgrading speed is faster. Upgraded from RS232 can
be used under the circumstances of failure to be upgraded from USB. Besides a computer
and a serial line are needed, upgrading speed from RS232 is slower.
Upgraded from USB
Copy upgrading file "zTVApp_rom_aes.ecc"to the root directory of a U disk. Be sure
that there is only one file with name ".ecc"in the U disk:
1. Connect to AC power supply, power on the set and wait until the set works normal;
2. Insert the U disk to USB port and a figure will be displayed as Fig.1 ;
Fig.1
If there is not a figure displayed as Fig.1 after insert the U disk, please pull out
the U disk and insert it again; if a figure as Fig.1 can not be displayed in any case,
please power off/on the set again and check out upgrading files and the U disk;
3. Select item "YES" and press button "OK", the set will be upgraded automatically
for about a few minutes, then a figure as Fig.2 will be displayed after upgrading
successfully;