2 <jumper reference – COMMELL LV-683 User Manual

Page 13

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LV-683 User’s Manual

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12

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JAT

JVLCD

JVUSB

2.2 <Jumper Reference>

Jumper

Function

JRTC

CMOS Operating/Clear Setting

JAT

AT/ATX Mode Setting

JCSEL1/2

COM2 RS232/422/485/IrDA Mode Setting

JP1

COM3 signal mode switch (For Pin-9)

JP2

COM4 signal mode switch (For Pin-9)

JVUSB

USB Voltage Setting

JVLCD

Panel Voltage Setting

JCSEL2

JRTC

JCSEL2

JP1

JP2

JCSEL1

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