AFL-HM55 Series Panel PC
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Figure 3-5: AFL-HM55 Series Aluminum Back Cover Retention Screws
Lift the aluminum cover away to expose the mainboard jumpers.
3.9 Jumper Settings
NOTE:
A jumper is a metal bridge used to close an
electrical circuit. It consists of two or three metal
pins and a small metal clip (often protected by a
plastic cover) that slides over the pins to connect
them. To CLOSE/SHORT a jumper means
connecting the pins of the jumper with the plastic
clip and to OPEN a jumper means removing the
plastic clip from a jumper.