NEC MultiSync M491 49" Class HDR 4K UHD Commercial IPS LED Display - Manual (Page 23)

English−19
Height adjustment (M551)
1. The lines on the stand pole are indicators of the height adjustment (
Figure 1). Please adjust the pipe to the lines.
Figure 1
M551 High/Low
Pipe
Adjust the pipe to a line.
M491
M431
2. Please install the stand pole and the pipe with included screws. Please screw the two screw holes at the pipe ( Figure 2).
Pipe
Figure 2
Stand pole
CAUTIONN: Please refer to “CAUTION 5” .