2 <jumper location & reference – COMMELL FS-A78 User Manual

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FS-A78 User’s Manual

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11

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2.2 <Jumper Location & Reference>

Jumper

Function

JRTC

CMOS Operating/Clear Setting

JVLCD

Panel Voltage Setting

JAT

Power mode select

JP1

Com1 Voltage Setting (For Pin 9)

JP2

Com2 Voltage Setting (For Pin 9)

JCSEL1
JCSEL2

COM2 RS-232 RS422 RS485 Setting
CN_IR IrDA Setting

JVUSB

USB Voltage Setting

JVLCD

JRTC

JAT

JP1

JP2

JVUSB

JCSEL1

JCSEL2

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