A SERVICE OF

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28 240PW9 LCD
Firmware Upgrade for C P U
Step 1 C onnec tion method D/L BD
Step 2 Exec ute RT D Debug Tool
Step 3 Select
Step 4 Select RTD2122
Step 5 Selec t ISP FUNC TION
Step 6 Select AL L, ISP Address, AUT O, Mass
Erase
Step 7 Select *.H00 file
Step 8 Press this button to D/L
Select Main1 bottom toselect file
Follow these
selections
Select*.H00file
Ifit s howNG. Pleas ere-plugpowercordandre-D/Lagain
240B W9 240PW9 select 0x90
240SW9 select0 x9 4
I
t willshow P ASS when
D/L OK
PressthisbuttontoD/L
Connected to print
cordandPC
ConnectedtoDisplay
SignalCable
1
2
3
3
2
1
1. SelectIIC
2. SelectRTD2122
3. SelectISP FUNCTION
IIC