![Pro-face PL-DU6900 User Manual Download Page 26](http://html1.mh-extra.com/html/pro-face/pl-du6900/pl-du6900_user-manual_1605191026.webp)
3-1
PL-DU6900/PL-DU7900 User Manual
Chapter
3
Optional Units
1. Installation
3.1
Installation
The following explanation pages describe the installation procedures for the Display
Expansion Board (PL-PE200) and the USB Front Access Unit (PL-US200).
For information about the installation of other option units, please refer to those
unit’s individual [Operation Instructions].
To avoid electric hazards, be sure to turn the PL’s power OFF
before installing any optional units or expansion boards.
• Use a screwdriver to loosen or tighten the screws. Be careful not to
over-tighten any screws, since it may damage the equipment.
• Be careful when removing or inserting any screws that they do not
fall inside the body of the DU.
WARNINGS