Longshine GFT150 Ver.2.0 - Manual (Page 11)

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JP2, JP3, JP5, JP6, JP25 ,JP26: COM Power Selection
JP1, JP3, JP5, JP6, JP25, JP26 can be used to selection the COM supply
power: +5V, Ring-IN or +12V.
.
JP8: RJ12 Output Voltage Selection
JP7: LCD PANEL Power Selection
JP7 can be used to selection the LCD supply power :+3.3V or +5V. The default
setting is on +3.3V. User must check the LCD specs and adjust this jumper to
make panel work well in specified power rail.
JP23: Clear CMOS RAM Data
This 3-pin Jumper allows user to disconnect the built-in 3V battery power to
clear the information stored in the CMOS RAM. To clear the CMOS data: (1)
Turn off the system power, (2) Remove jumper cap from pin1 and 2, (3)Short
the pin2 and pin3 for three seconds, (4) Put jumper cap back to pin1 and 2.
(5)Turn on your computer, (6) Hold Down during boot up and enter
BIOS setup to enter your preferences.