50PH470H-SA (CHASSIS:PB32B) - LG TV Service Manual (repair manual). Page 12

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6. USB DOWNLOAD(*.epk file download)
(1)  Put the USB Stick to the USB socket 
(2)  Automatically detecting update file in USB Stick
-  If your downloaded program version in USB Stick is Low, 
it didn’t work.
-   But  your  downloaded  version  is  High,  USB  data  is 
automatically detecting
(3) Show the message “Copying files from memory”
(4) Updating is staring.
(5)  Updating  Completed,  The  Multi-vision  will  restart 
automatically.
(6)  If  your  Multi-vision  is  turned  on,  check  your  updated 
version  and  Tool  option.  (explain  the  Tool  option,  next 
stage)
* After downloading, have to adjust TOOL OPTION again.
1) Push "IN-START" key in service remote controller.
2) Select "Tool Option 1" and Push “OK” button.
3)  Punch in the number. 
    (Each of models has their number.)
6.1. Tool Option Selection
* Method :  Press Adj.  key  on  the Adj.  R/C,  then  select  Tool 
option.
50PH470H-SA
Tool option 1
32822
Tool option 2
43059
Tool option 3
2210
Tool option 4
61861
Tool option 5
6342
Tool option 6
1609
Tool option 7
5259
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