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Backrest tilt angle adjustment
Pull the single rod control lever completely backward and lean against back untill a desired angle is achieved,and then return the lever to the original middle position to lock at an ideal angle.There are 4 positions with 25o range
The proper backrest angle can reduce the pressure on the spine.
Backrest quick or slight tilt tension adjustment
Pull the lever outwards,open the tilt tension adjustment handle,and turn it forward or backward into a desired tension for quick tilt tension adjustment or close the handle and turn it forward or backward for slight tilt tension adjustment,and then close the handle and push the lever inwards to the original position to fix it.
The synchro mechanism is ergonomically designed to enhance comfort and reduce strain.The back-to-seat adjustment/tilt is 3:1 ratio.
Backrest height adjustment Lumbar support height adjustment
Hold the two sides of the backrest handle,one could adjust the backrest up or down.The backrest would be returned back to the lowest when pushed to the top.There are 1.57" adjustable.
A. The height of lumbar support can also be adjusted by adjusting the backrest height.
B. Suitable height of the lumbar support would bring more comfort for one's waist.
Armrest height adjustment
Press the two-side armrest height adjustment buttons to raise or lower the armrests.there are 8 positions with 3.15" range.
Recommended armrest position: Allow arms to rest comfortably on the armrests at a 90o angle while the armrest is 1" higher than the elbow.
Armpad angle adjustment
Armpad angle adjustment:a range of 9o can be achieved by swiveling the armpad inwards or outwards.
The best angle could be reached when the arms can rest naturally on the armpads while working.
Armpad width adjustment Armpad forward & backward adjustment
Width adjustment:hold and push the armpads outwards or inwards into a desired width of the arms. There are 1.57" range adjustment totally.
Forward & backward adjustment: push the armpads forward or backward to a desired position. The range for it is 1.57"
Seat height adjustment
Pull up the single rod control lever and hold it while raising or lowering the seat to change the seat height. When the lever is released,the seat height is locked.
Since a incorrect seat height contributes to back's fatigue,it is recommended that the angle of knees is slightly less than 90o and feet are level with the floor.
Seat depth adjustment
Push the single rod control lever forward to adjust the seat depth (The approximate range is 1.97") Return the lever to the original middle position,the position will be fixed.
Ideal depth is achieved when the upper legs are on the seat,the lumbar area is in touch with the backrest of the chair,and the back of knees do not touch the edge of seat cushion.
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