Kogan ERGOLUX ELDUALMTWHA User Manual page 11

Step 6:
Method 1
Rotate the screws (B) loosely into the supporting beam (4) with the
Allen Key (F); do not fully tighten them. Slide one side of the cable
management tray (3) into the screws (B), then the other side. Tighten
the screws (B) using the Allen Key (F).
Clip in one side
Tighten
Step 2: Clip in cable management tray
Step 1:
Turn screws but do not tighten them
Press in the other side