FS-979 Users Manual Hardware Setup
Jumper Referen ce 15

2.3 <Jumper Reference>

Jumper Function
JRTC CMOS Operating/Clear Setting
JDOM IDE1 Pin-20 voltage setting
JCFSEL Compact Flash address setting
JCSEL1 COM2 communication mode setting
JCSEL2 COM2 communication mode setting
JCSEL1
JCSEL2
JDOM
JCFSEL
JRTC