NEC RG-G200LV Instruction Manual page 23

Attaching the Vertical Stand
(1) Insert the stand into the bottom of the unit.
Locate ▲ mark of the stand as in the figure below. Then insert the stand
into the mounting holes.
*The illustration above shows RG-G200LV.
(2)
Slide the stand in the direction of the arrow.
Slide the stand until it clicks.
To detach the stand, slide the stand in the "detach direction" (rear
side).
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