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A1 Backrest tilt angle adjustment
	While seated,push the backrest angle adjustment lever completely forward and lean against back until a desired angle is achieved.Return the lever to the original position to lock in a desired angle. There are 3 positions with 15° range.		Backrest angle adjustment can reduce pressure on the spine. Another option is to keep the backrest adjustment at the unlocked position.
A2 Backrest flexible tilt tension adjustment
	Increase or reduce the tilt tension by returning the backrest tilt tension adjustment knob in clockwise or counter-clockwise.		The synchro mechanism is ergonomically designed to enhance comfort and reduce strain.The back-to-seat adjustment/tilt is 3:1 ratio.

B1 Armrest height adjustment
	Press the armrest height adjustment button to raise or lower the positon of the armrest.There are 10 positions with a 4" range.		Recommended armrest height: allow arm to rest comfortably on the armrest at a 90° angle while the armrests are 1" higher than elbow.
B2 Arm pad angle adjustment
	Three arm pad positions, ranging 16" are achieved by placing the elobow on the arm pad,holding the front of the arm pad and moving the arm pad inwards or outwards.		For proper support and reducing stress to the hands,rest elbow naturally on the arm pad while working.

B3 Arm pad forward and backward adjustment		C1 Backrest height adjustment
	Forward and backward adjustment:push the arm pads forward or backward for a needed position.The range for it is about 2.36".		Sitting on the chair,one could adjust the height by holding the backrest.There are three positions adjustable.
D1 Seat height adjustment
	While seated,push the seat height adjustment lever backward and hold it while raising or lowering the seat.When the lever is released,seat height can be fixed.		Since a incorrect seat height contributes to back fatigue, it is recommended that the angle of the knees be slightly less than 90° and feet are level with the floor.
D2 Seat depth adjustment
	Pull the seat depth adjustment, pull to adjust the seat depth (the range is approximately 2.5").When the pull is released, the position can be fixed.		Ideal depth is achieved when the upper leg is on the seat, the lumbar support is in contact with the back of the chair,and the back of the knees do not touch the edge of the seat.

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