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d. If you need to stop going upstairs halfway, just release the upstairs button. Note: When the
crawler tracks are in contact with less than 3 steps at the same time, a little force must be
applied downward in the vertical direction of the angle of the stairs to prevent the ladder chair
from tilting forward.
e. When reaching the last second step, pull the lever with both hands to the position not lower
than the operator's chest, press and hold the button of upstairs, and slowly pull the ladder chair
to the ground.
f. When the front wheel of the ladder chair enters the flat ground, release the upstairs button,
step on the crossbar of the stairs climbing device with your right foot, and slowly lift up the
lever to gently lay it on the flat ground.
14
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