RIGOL DM3068 - Manual (Page 42)

RIGOL Chapter 1 Quick Start
User’s Guide for DM3068 1-24
5. Mount the front panel: aim the front panel opening at the front of instrument
and fix them using four M4 screws.
6. Load into machine cabinet: mount the rack with instrument onto a standard
19-inch machine cabinet using four M6 screws and four M6 square nuts,
respectively.
7. Post-installation note: the rack holds a height of 3U. Holes pointed out by the
arrows are the installation holes and should be aligned with when installing.